{"id":970439,"date":"2026-06-04T06:29:23","date_gmt":"2026-06-04T10:29:23","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/elanco-animal-health-commits-to-supporting-u-s-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm\/"},"modified":"2026-06-04T06:29:23","modified_gmt":"2026-06-04T10:29:23","slug":"elanco-animal-health-commits-to-supporting-u-s-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/elanco-animal-health-commits-to-supporting-u-s-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm\/","title":{"rendered":"Elanco Animal Health Commits to Supporting U.S. Livestock Producers and Pet Owners in Fight Against New World Screwworm"},"content":{"rendered":"<div class=\"xn-newslines\">\n<p class=\"xn-distributor\">PR Newswire<\/p>\n<\/p><\/div>\n<div class=\"xn-content\">\n<p>\n        <i>Company offers portfolio of treatment options and expert guidance following\u00a0first\u00a0confirmed case in\u00a0the United States<\/i>\u00a0<\/p>\n<ul type=\"disc\">\n<li>New\u00a0World\u00a0screwworm\u00a0has officially reached the United States,\u00a0with the first confirmed case\u00a0in U.S.\u00a0livestock in Texas<sup>i<\/sup>\u00a0<\/li>\n<li>New World\u00a0screwworm\u00a0can infest\u00a0any\u00a0warm-blooded animals\u00a0\u2013\u00a0including livestock and pets\u00a0\u2013 posing a\u00a0significant threat to animal health, welfare, and producer livelihood\u00a0<\/li>\n<li>Elanco\u00a0offers a\u00a0portfolio of options for\u00a0both\u00a0livestock\u00a0and pets\u00a0that can\u00a0treat\u00a0infestations caused by New World screwworm\u00a0larvae\u00a0<\/li>\n<\/ul>\n<p>\n        <span class=\"legendSpanClass\">INDIANAPOLIS\u00a0<\/span>, <span class=\"legendSpanClass\">June 4, 2026<\/span> \/PRNewswire\/ &#8212; Elanco Animal Health Incorporated (NYSE: ELAN)\u00a0today\u00a0reaffirms\u00a0its commitment to\u00a0providing\u00a0veterinarians, livestock producers, and pet owners\u00a0with\u00a0resources and treatment options for\u00a0their animals against the escalating threat posed by New World\u00a0screwworm\u00a0(NWS).\u00a0The\u00a0fly\u00a0recently reached the United States, with the first case confirmed in U.S. livestock in\u00a0Texas.<sup>i<\/sup>\u00a0<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder1\">\n<p>\n          <img decoding=\"async\" src=\"https:\/\/mmx.prnewswire.com\/media\/MS653209\/Elanco_Logo.jpg?id=OA2659496\" title=\"Elanco logo\" alt=\"Elanco logo\" \/>\n        <\/p>\n<\/p><\/div>\n<p>The\u00a0emergence of New World screwworm\u00a0in the U.S. creates a\u00a0threat for veterinarians, livestock producers and pet owners that has not been seen north of the Florida Keys\u00a0since\u00a0the fly was\u00a0eradicated from the United States\u00a0more than 50 years ago.<sup>ii<\/sup>\u00a0New World screwworm\u00a0(<i>Cochliomyia\u00a0hominivorax<\/i>) larvae\u00a0feed on living\u00a0tissue\u00a0and\u00a0can\u00a0affect a wide range of\u00a0warm-blooded animals,\u00a0including\u00a0livestock, companion animals, wildlife,\u00a0and even\u00a0humans.<sup>ii<\/sup>\u00a0<\/p>\n<p>&#8220;New World\u00a0screwworm could have a devastating impact on animal health, welfare, and producer livelihoods,&#8221; said Jeff Simmons, President and CEO, Elanco Animal Health.\u00a0&#8220;We\u00a0want to thank the FDA,\u00a0EPA\u00a0and USDA, for all their work to prepare\u00a0for\u00a0this threat.\u00a0We&#8217;re\u00a0committed to supporting our customers during this challenging time by delivering innovation, scientific\u00a0expertise, and available resources to help\u00a0treat\u00a0New World\u00a0screwworm and support the health and well-being of animals.&#8221;\u00a0<\/p>\n<p>With more than 70 years of animal health experience, including helping mitigate, prevent and treat New World screwworm\u00a0in other parts of the world, Elanco is working\u00a0alongside\u00a0the U.S. animal health industry to help them fight against this parasite, offering a portfolio of options for pets and livestock that can help treat New World screwworm\u00a0larvae infestations.\u00a0<\/p>\n<p>\n        <b>Available\u00a0Elanco\u00a0Treatment\u00a0and\/or Prevention\u00a0Options\u00a0<\/b>\u00a0<\/p>\n<div>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" class=\"prnbcc\">\n<tr>\n<td class=\"prnpr2 prnpl2 prnvat prntal prncbts prnbrbrs prnbbbs prnbsbls\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Product Name<\/b>\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Indication\u00a0<\/b>\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"2\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Species<\/b>\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Regulatory Status<\/b>\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Credelio\u00a0Quattro\u2122- A1\u00a0<\/b>(lotilaner,\u00a0moxidectin,\u00a0praziquantel, and pyrantel\u00a0chewable tablets)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Treats New\u00a0World screwworm larvae\u00a0infestations\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Dogs\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">FDA\u00a0Conditional\u00a0Approval\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Credelio\u2122\u00a0<\/b>(lotilaner)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Treats New\u00a0World screwworm larvae\u00a0infestations<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Dogs\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">FDA\u00a0Emergency\u00a0Use\u00a0Authorization\u00a0(EUA)\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Credelio\u2122 CAT\u00a0<\/b>(lotilaner)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Treats New\u00a0World screwworm larvae\u00a0infestations<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Cats\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">FDA\u00a0Emergency\u00a0Use\u00a0Authorization\u00a0(EUA)\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Negasunt\u2122 Powder <\/b>(coumaphos,\u00a0propoxur, and sulfanilamide topical powder)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Treats and Prevents New World\u00a0screwworm larvae\u00a0infestations<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Variety of\u00a0Livestock\u00a0and other\u00a0Species<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">FDA Emergency\u00a0Use\u00a0Authorization\u00a0(EUA)\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Tanidil\u2122\u00a0<\/b>(Coumaphos, Propoxur)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Prevents and Controls\u00a0New World screwworm larvae\u00a0infestations\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Variety\u00a0of Livestock\u00a0and other\u00a0Species\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">EPA Section\u00a018\u00a0Emergency\u00a0Exemption\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen4\" colspan=\"1\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Catron\u00ae\u00a0IV\u00a0<\/b>(Permethrin)\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Kills and\u00a0controls screwworm fly and\u00a0maggots\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"2\" rowspan=\"1\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Livestock\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen5\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">EPA\u00a0Approved\u00a0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<p>Negasunt\u00a0Powder and\u00a0Tanidil\u202fwill be available only through the U.S. Animal Plant Health and Inspection Service (APHIS) and\u202fits National Veterinary Stockpile. They will be distributed in coordination with state animal health officials and federally recognized tribal agencies.\u00a0In the near future, APHIS will share\u202fadditional\u202finformation about the requirements for use, including tracking and reporting requirements and\u202frequired\u202fsafety and personal protective equipment.\u00a0<\/p>\n<p>As\u00a0New World screwworm\u00a0enters the United States,\u00a0Elanco is committed to working alongside\u00a0producers\u00a0as they\u00a0continuously evolve\u00a0management practices and\u00a0to help them\u00a0implement prevention and treatment\u00a0protocols\u00a0to use the\u00a0right product at the right time.\u00a0<\/p>\n<p>To learn more about Elanco&#8217;s ongoing efforts and historical perspective on New World\u00a0screwworm, please visit our\u00a0previous\u00a0coverage:\u00a0<\/p>\n<ul type=\"disc\">\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=2435944170&amp;u=https%3A%2F%2Fwww.elanco.com%2Fus%2Fnewsroom%2Fpress-releases%2Fnegasunt-and-tanidil-for-new-world-screwworm&amp;a=Elanco%27s+Negasunt%E2%84%A2+Powder+(Coumaphos%2C+Propoxur%2C+Sulfanilamide+Topical+Powder)+and+Tanidil%E2%84%A2+(Coumaphos%2C+Propoxur)+Receive+Emergency+Authorization+for+Use+Against+New+World+Screwworm+in+Livestock\" target=\"_blank\" rel=\"nofollow\">Elanco&#8217;s Negasunt\u2122 Powder (Coumaphos, Propoxur, Sulfanilamide Topical Powder) and Tanidil\u2122 (Coumaphos, Propoxur) Receive Emergency Authorization for Use Against New World Screwworm in Livestock<\/a>\u00a0<\/li>\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1916534507&amp;u=https%3A%2F%2Finvestor.elanco.com%2Fpress-releases%2Fpress-releases-details%2F2025%2FElancos-Credelio-Quattro-CA1-lotilaner-moxidectin-praziquantel-and-pyrantel-chewable-tablets-Receives-First-FDA-Conditional-Approval-for-Treatment-of-New-World-Screwworm-in-Dogs%2Fdefault.aspx&amp;a=Elanco%27s+Credelio+Quattro%E2%84%A2-CA1+(lotilaner%2C+moxidectin%2C+praziquantel%2C+and+pyrantel+chewable+tablets)+Receives+First+FDA+Conditional+Approval+for+Treatment+of+New+World+Screwworm+in+Dogs\" target=\"_blank\" rel=\"nofollow\">Elanco&#8217;s Credelio Quattro\u2122-CA1 (lotilaner, moxidectin, praziquantel, and pyrantel chewable tablets) Receives First FDA Conditional Approval for Treatment of New World Screwworm in Dogs<\/a>\u00a0<\/li>\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=3436541853&amp;u=https%3A%2F%2Fwww.elanco.com%2Fus%2Fnewsroom%2Fpress-releases%2Fcredelio-cat-eua&amp;a=Elanco%27s+Credelio%E2%84%A2+CAT+(lotilaner)+Receives+First+FDA+Emergency+Use+Authorization+(EUA)+for+Treatment+of+New+World+Screwworm+(NWS)+in+Cats\" target=\"_blank\" rel=\"nofollow\">Elanco&#8217;s Credelio\u2122 CAT (lotilaner) Receives First FDA Emergency Use Authorization (EUA) for Treatment of New World Screwworm (NWS) in Cats<\/a>\u00a0<\/li>\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=2970347643&amp;u=https%3A%2F%2Fwww.elanco.com%2Fus%2Fnewsroom%2Fpress-releases%2Fcredelio-eua&amp;a=Elanco%27s+Credelio%E2%84%A2+(lotilaner)+Receives+First+Ever+FDA+Emergency+Use+Authorization+(EUA)+against+New+World+Screwworm+(NWS)+in+Dogs\" target=\"_blank\" rel=\"nofollow\">Elanco&#8217;s Credelio\u2122 (lotilaner) Receives First Ever FDA Emergency Use Authorization (EUA) against New World Screwworm (NWS) in Dogs<\/a>\u00a0<\/li>\n<\/ul>\n<p>To learn more about New World screwworm (NWS) using the following resources:\u00a0<\/p>\n<ul type=\"disc\">\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1966677387&amp;u=https%3A%2F%2Fwww.aphis.usda.gov%2Flivestock-poultry-disease%2Fcattle%2Fticks%2Fscrewworm&amp;a=USDA+NWS+Alert+and+Fact+Sheet\" target=\"_blank\" rel=\"nofollow\">USDA NWS Alert and Fact Sheet<\/a>\u00a0<\/li>\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1316906561&amp;u=https%3A%2F%2Fwww.ncba.org%2Feducation-resources%2Findustry-updates-resources%2Fnew-world-screwworm-resources&amp;a=NCBA+NWS+Resources\" target=\"_blank\" rel=\"nofollow\">NCBA NWS Resources<\/a>\u00a0<\/li>\n<li>\n          <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=3368554611&amp;u=https%3A%2F%2Fwww.fda.gov%2Fanimal-veterinary%2Fsafety-health%2Fnew-world-screwworm-information-veterinarians&amp;a=FDA+Information+for+Veterinarians+on+NWS\" target=\"_blank\" rel=\"nofollow\">FDA Information for Veterinarians on NWS<\/a>\u00a0<\/li>\n<\/ul>\n<p>\n        <b>About Elanco Animal Health<\/b>\u00a0<\/p>\n<p>Elanco Animal Health Incorporated is a global leader in animal health dedicated to innovating and delivering products and services to prevent and treat disease in farm animals and pets, creating value for farmers, pet owners, veterinarians,\u00a0stakeholders\u00a0and\u00a0society as a whole. With 70 years of animal health heritage, we are committed to breaking boundaries and going beyond to help our customers improve the health of animals in their care, while also making a meaningful impact on our local and global communities. At Elanco, we are driven by our vision of Food and Companionship Enriching Life and our purpose \u2013 all to Go Beyond for Animals, Customers, Society and Our People. Learn more at\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=3440527203&amp;u=https%3A%2F%2Fwww.elanco.com%2F&amp;a=www.elanco.com\" target=\"_blank\" rel=\"nofollow\"><b>www.elanco.com<\/b><\/a>.\u00a0<\/p>\n<p>\n        <b>Indications for\u00a0Credelio\u00a0Quattro\/Credelio\u00a0Quattro-CA1<\/b>\u00a0<\/p>\n<p>Credelio\u00a0Quattro is\u00a0indicated\u00a0for the prevention of heartworm disease and the treatment and control of roundworm, hookworm, and tapeworm infections. Credelio Quattro kills adult fleas and is\u00a0indicated\u00a0for the treatment and prevention of flea infestations and the treatment and control of tick infestations for 1 month in dogs and puppies\u00a08 weeks\u00a0of age and older and weighing 3.3 pounds or greater.\u00a0Credelio\u00a0Quattro is\u00a0indicated\u00a0for the prevention of Lyme disease infections as a direct result of killing black-legged ticks.\u00a0<\/p>\n<p>Credelio\u00a0Quattro-CA1 is conditionally approved for the treatment of infestations caused by New World screwworm (NWS) larvae in dogs and puppies\u00a08 weeks\u00a0of age and older and weighing 3.3 pounds or greater.\u00a0<\/p>\n<p>\n        <b>Important Safety Information for\u00a0Credelio\u00a0Quattro\/Credelio\u00a0Quattro-CA1<\/b>\u00a0<\/p>\n<p>Lotilaner, an ingredient in\u00a0Credelio\u00a0Quattro\/Credelio\u00a0Quattro-CA1, belongs to the\u00a0isoxazoline\u00a0class and has been associated with neurologic adverse reactions like tremors, incoordination, and seizures even in dogs without a history of seizures.\u00a0Use with\u00a0caution in dogs with a history of seizures or neurologic disorders. Dogs should be tested for existing heartworm infections before\u00a0Credelio\u00a0Quattro\/Credelio\u00a0Quattro-CA1 administration as it is not effective against adult heartworms. The safe use\u00a0in\u00a0breeding, pregnant, or lactating dogs has not been evaluated. The most\u00a0frequently\u00a0reported adverse reactions in clinical trials were vomiting and diarrhea.\u00a0<\/p>\n<p>\n        <b>Credelio\u00a0Quattro-CA1 is conditionally approved by the\u00a0FDA\u00a0pending a full demonstration of effectiveness under application number 141-619.<\/b>\u00a0If you suspect that your dog is infested with NWS larvae, seek veterinary care\u00a0immediately\u00a0for treatment to include removal of larvae and\u00a0appropriate wound\u00a0care.\u00a0<\/p>\n<p>For complete safety information, please see the\u00a0Credelio\u00a0Quattro\/Credelio\u00a0Quattro-CA1\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=3804099628&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2Fce91c499-5f06-4311-b486-77e6c516d5e9%2FPROMO_WEB_104428As_PA104428X_W1a_WS.pdf&amp;a=product+label\" target=\"_blank\" rel=\"nofollow\"><b>product label<\/b><\/a>\u00a0or ask your veterinarian.\u00a0<\/p>\n<p>\n        <b>Emergency Use Authorization\u00a0of\u00a0Credelio\u00a0(lotilaner)\u00a0Chewable Tablets\u00a0for New World Screwworm (NWS)<\/b>\u00a0<\/p>\n<p>The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for the emergency use of the approved product\u00a0Credelio\u00a0(lotilaner)\u00a0chewable tablets\u00a0for the treatment of infestations caused by NWS (<i>Cochliomyia\u00a0hominivorax<\/i>) larvae (myiasis) in dogs and puppies.\u00a0Credelio\u00a0is not approved for this use.\u00a0<\/p>\n<p>Credelio\u00a0(lotilaner)\u00a0is approved for other uses\u00a0in dogs and puppies.\u00a0<\/p>\n<p>For\u00a0additional\u00a0information on the EUA, please refer to the\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1422692083&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2F264898bb-dee5-4d0d-be35-de3e6f64b92e%2FCredelio%2520New%2520World%2520Screwworm%2520EUA%2520Fact%2520Sheet%2520and%2520CVM%2520Approval%2520Letter%2520Combined%2520US%25202026.pdf&amp;a=Credelio+NWS+Fact+Sheet\" target=\"_blank\" rel=\"nofollow\"><b>Credelio NWS Fact Sheet<\/b><\/a><b>.<\/b>\u00a0<\/p>\n<p>\n        <b>Limitations of Authorized Use<\/b>\u00a0<\/p>\n<p>Credelio\u00a0(lotilaner)\u00a0chewable tablets\u00a0is authorized\u00a0for this use\u00a0only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of\u00a0Credelio\u00a0(lotilaner)\u00a0chewable tablets\u00a0under section 564(b)(1) of the Federal Food, Drug, and Cosmetic Act (FD&amp;C Act), 21 U.S.C. \u00a7 360bbb-3(b)(1), unless the authorization is terminated or revoked sooner.\u00a0<\/p>\n<p>\n        <b>Indications for\u00a0Credelio<\/b>\u00a0<\/p>\n<p>Credelio kills adult fleas and is indicated for the treatment and prevention of flea infestations and treatment and control of tick infestations (lone star tick, American dog tick, black-legged tick, brown dog tick, and longhorned tick) for one month in dogs and puppies\u00a08 weeks\u00a0and older and 4.4 pounds or greater.\u00a0Credelio\u00a0is\u00a0indicated\u00a0for the prevention of Lyme disease infections as a direct result of killing black-legged ticks.\u00a0<\/p>\n<p>\n        <b>Important Safety Information for\u00a0Credelio<\/b>\u00a0<\/p>\n<p>Lotilaner\u00a0is a member of the\u00a0isoxazoline\u00a0class of drugs. This class has been associated with neurologic adverse reactions including tremors, incoordination, and seizures. Seizures have been reported in dogs receiving this class of drugs, even in dogs without a history of seizures.\u00a0Use with\u00a0caution in dogs with a history of seizures or neurologic disorders. The safe use of\u00a0Credelio\u00a0in breeding,\u00a0pregnant\u00a0or lactating dogs has not been evaluated. The most\u00a0frequently\u00a0reported adverse reactions are weight loss, elevated blood urea nitrogen, increased urination, and diarrhea. For complete safety information, please see\u00a0Credelio\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=973144635&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2F0cadded6-b7a8-4638-915e-516903efb4fd%2FPROMO_WEB_104381As_PA104381X_W1a_WS.pdf&amp;a=product+label\" target=\"_blank\" rel=\"nofollow\"><b>product label<\/b><\/a>\u00a0or ask your veterinarian.\u00a0<\/p>\n<p>\n        <b>Emergency Use Authorization for\u00a0Credelio\u00a0CAT (lotilaner) for New World Screwworm (NWS)<\/b>\u00a0<\/p>\n<p>The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for the emergency use of the approved product\u00a0Credelio\u00a0CAT (lotilaner) for the treatment of infestations caused by NWS (<i>Cochliomyia\u00a0hominivorax<\/i>) larvae (myiasis) in cats and kittens.\u00a0Credelio\u00a0CAT is not approved for this use.\u00a0<\/p>\n<p>Credelio\u00a0CAT is approved for other uses.\u00a0<\/p>\n<p>For\u00a0additional\u00a0information on the EUA, please refer to the\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1846352953&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2Fd57aee95-2db1-4f96-8ff1-7afd5f58ef0f%2FCredelio%2520Cat%2520NWS%2520Fact%2520Sheet%2520and%2520Approval%2520Letter.pdf&amp;a=Credelio+Cat+NWS+Fact+Sheet\" target=\"_blank\" rel=\"nofollow\"><b>Credelio Cat NWS Fact Sheet<\/b><\/a>.\u00a0<\/p>\n<p>\n        <b>Limitations of Authorized Use<\/b>\u00a0<\/p>\n<p>Credelio\u00a0CAT (lotilaner) is authorized for this use only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of\u00a0Credelio\u00a0CAT (lotilaner) under section 564(b)(1) of the Federal Food, Drug, and Cosmetic Act (FD&amp;C Act), 21 U.S.C. \u00a7 360bbb-3(b)(1), unless the authorization is terminated or revoked sooner.\u00a0<\/p>\n<p>\n        <b>Indications for\u00a0Credelio\u00a0CAT<\/b>\u00a0<\/p>\n<p>Credelio CAT kills adult fleas and is\u00a0indicated\u00a0for the treatment and prevention of flea infestations for one month in cats and kittens\u00a08 weeks\u00a0of age and older and weighing 2 pounds or greater.\u00a0<\/p>\n<p>Credelio\u00a0CAT is also\u00a0indicated\u00a0for treatment and control of black-legged tick infestations for one month in cats and kittens 6 months of age and older and weighing 2 pounds or greater.\u00a0<\/p>\n<p>\n        <b>Important Safety Information for\u00a0Credelio\u00a0CAT<\/b>\u00a0<\/p>\n<p>Lotilaner\u00a0is a member of the\u00a0isoxazoline\u00a0class of drugs. This class has been associated with neurologic adverse reactions including tremors,\u00a0incoordination\u00a0and seizures. Neurologic adverse reactions have been reported in cats receiving\u00a0isoxazoline\u00a0class drugs, even in cats without a history of neurologic disorders.\u00a0Use with\u00a0caution in cats with a history of neurologic disorders. The safety of\u00a0Credelio\u00a0CAT has not been\u00a0established\u00a0in breeding,\u00a0pregnant\u00a0and lactating cats. The effectiveness of\u00a0Credelio\u00a0CAT against black-legged ticks in kittens less than 6 months of age has not been evaluated. The most\u00a0frequently\u00a0reported adverse reactions are weight loss, rapid\u00a0breathing\u00a0and vomiting. For complete safety information, please see\u00a0Credelio\u00a0CAT\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=3748872852&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2F72249934-e354-4af0-8cce-9014ffe45d06%2FPROMO_WEB_104223As_PA104223X_W1a_WS.pdf&amp;a=product+label\" target=\"_blank\" rel=\"nofollow\"><b>product label<\/b><\/a>\u00a0or ask your veterinarian.\u00a0<\/p>\n<p>\n        <b>Emergency Use Authorization<\/b>\u00a0<b>of<\/b>\u00a0<b>Negasunt<\/b>\u00a0<b>Powder<\/b>\u00a0<b>(coumaphos, propoxur, and sulfanilamide topical powder)<\/b>\u00a0<b>for New World Screwworm (NWS)<\/b>\u00a0<\/p>\n<p>\n        <b>WARNING: Neurotoxicity.<\/b>\u00a0<b>Read full<\/b>\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=4189816743&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2Fd12648e9-e6a1-45a1-ac19-62bc360c4d4e%2FPROMO_WEB_301957As_PA301957X_W5a_WS%2520%25281%2529.pdf&amp;a=Fact+Sheet\" target=\"_blank\" rel=\"nofollow\"><b>Fact Sheet<\/b><\/a>\u00a0<b>for complete information.<\/b>\u00a0<\/p>\n<ul type=\"disc\">\n<li>\n          <b>Coumaphos<\/b>\u00a0<b>and propoxur can cause neurotoxicity. May be fatal if swallowed. May be fatal if inhaled. Harmful if absorbed through skin.<\/b>\u00a0<b>Causes<\/b>\u00a0<b>moderate eye irritation. Do not breathe dust. Avoid contact with eyes, skin, or clothing.<\/b>\u00a0<\/p>\n<\/li>\n<li>\n          <b>Use only with appropriate personal protective equipment<\/b>\u00a0<b>(PPE): coveralls worn over long-sleeve shirt and long pants, shoes, socks, and protective eyewear; chemical-resistant gloves made of<\/b>\u00a0<b>\u00a0barrier laminate, butyl rubber (\u2265 14 mils), nitrile rubber (\u226514 mils), neoprene rubber (&gt;14 mils), natural rubber (\u226514 mils), polyethylene, polyvinyl chloride (PVC) \u226514 mils, or Viton (&gt;14 mils); and a minimum of a NIOSH-approved elastomeric half mask respirator<\/b>\u00a0<b>consisting of protection factor (PF) 10 fitted<\/b>\u00a0<b>with organic vapor (OV) cartridges and combination<\/b>\u00a0<b>\u00a0R or P filters; or a NIOSH-approved gas mask with OV canisters; or a NIOSH-approved powered air purifying respirator with OV cartridges and combination HE filters.<\/b>\u00a0<\/p>\n<\/li>\n<li>\n          <b>This product is toxic to mammals, birds, fish, and aquatic invertebrates.<\/b>\u00a0<\/li>\n<\/ul>\n<p>The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for the emergency use of the unapproved product\u00a0Negasunt\u00a0Powder for the prevention and treatment of infestations caused by New World screwworm (<i>Cochliomyia\u00a0homnivorax<\/i>) larvae (myiasis) in cattle, swine, goats, sheep, horses, donkeys, domestic hybrid equids, and captive wild, exotic, and zoo mammals.\u00a0Negasunt\u00a0Powder is not approved for this use.\u00a0<\/p>\n<p>For use by employees of federal, state, local, and federally recognized tribal agencies, and\u00a0persons\u00a0working under their authority and\u00a0at\u00a0their direction.\u00a0Also\u00a0for use by or on the order of a licensed veterinarian in NWS infested zones and adjacent surveillance zones as defined by the U.S. Department of Agriculture (USDA).\u00a0<\/p>\n<p>For\u00a0additional\u00a0information on the EUA and for complete safety information, please refer to the\u202f<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=2307616205&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2Fd12648e9-e6a1-45a1-ac19-62bc360c4d4e%2FPROMO_WEB_301957As_PA301957X_W5a_WS%2520%25281%2529.pdf&amp;a=Negasunt+Powder+NWS+Fact+Sheet\" target=\"_blank\" rel=\"nofollow\"><b>Negasunt Powder NWS Fact Sheet<\/b><\/a>.\u00a0<\/p>\n<p>\n        <b>Limitations of Authorized Use<\/b>\u00a0<\/p>\n<p>It is a violation of federal law to use this drug product other than as directed in the authorized Fact Sheet.\u00a0<\/p>\n<p>Treated animals must not be slaughtered for human consumption within\u00a028 days\u00a0of the last treatment.\u00a0<\/p>\n<p>A milk discard time has not been\u00a0established\u00a0for this product; do not use in animals producing milk for human consumption.\u00a0<\/p>\n<p>A withdrawal period has not been\u00a0established\u00a0for this product in pre-ruminating calves; treated calves and calves born to treated cows must not be processed for veal.\u00a0<\/p>\n<p>Do not\u00a0use in\u00a0horses intended for human consumption. Do not\u00a0use in\u00a0domestic indoor pets (e.g., dogs, cats, rodents, rabbits) nor in residences. Do not\u00a0use\u00a0in birds. Do not\u00a0use\u00a0in free-ranging wildlife.\u00a0<\/p>\n<p>To avoid overexposure, each individual person cannot treat more than 3 large wounds (&gt;2\u202finches diameter) a day or more than 30 small superficial wounds (\u22642 inches diameter) a day (or an equivalent thereof) with\u00a0Negasunt\u00a0Powder or any other\u00a0coumaphos-containing products.\u00a0<\/p>\n<p>Negasunt\u00a0Powder is authorized for this use only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of\u00a0Negasunt\u00a0Powder under section 564(b)(1) of the Federal Food, Drug, and Cosmetic Act (FD&amp;C Act), 21 U.S.C. \u00a7 360bbb-3(b)(1), unless the declaration is terminated or the authorization is revoked sooner.\u00a0<\/p>\n<p>Federal law prohibits the extra-label use of this drug.\u00a0<\/p>\n<p>\n        <b>Additional<\/b>\u00a0<b>Important Safety Information<\/b>\u00a0<br \/>Not for use in humans. Keep out of reach of children. Only handlers wearing\u00a0required\u00a0PPE may be in the area during application.\u00a0Do not apply in a confined, non-ventilated area; provide thorough ventilation. Call a poison control center or doctor\u00a0immediately\u00a0for treatment advice if\u00a0Negusant\u00a0Powder is swallowed, inhaled, on skin or clothing, or in eyes. Sulfonamides are contraindicated in animals that are hypersensitive to them and in animals with severe renal or hepatic impairment. For external use only on animals.\u00a0Do not contaminate water, feed, troughs, feed handling equipment, or milk or meat handling equipment.\u00a0Use with\u00a0caution in\u00a0very young, weak, or debilitated animals.\u00a0In the case of overdose,\u202ftreat with atropine sulfate or\u00a0pralidoxine\u00a0chloride (2-PAM) as soon as possible. The most common adverse reactions associated with organophosphate and carbamate toxicity in animals include frequent urination and defecation, muscle twitching, and watering eyes.\u00a0<\/p>\n<p>\n        <b>Important Information about Tanidil<\/b>\u00a0<br \/>Tanidil\u2122 is an unregistered product for distribution and use only under a Section 18 emergency exemption. The Section 18 labeling must be in the possession of the user at the time of pesticide application.\u00a0This product may only be used to prevent or control New World\u00a0screwworm\u00a0in and on animal wounds on labeled animal host species.\u00a0<\/p>\n<p>For use only by federal, state, local, and federally recognized tribal agencies, and persons working under their supervision; personnel at quarantine stations and areas; veterinarians; veterinarians or certified applicators at livestock and game facilities, zoos, wildlife facilities, animal rehabilitation centers; and wildlife professionals.\u00a0<\/p>\n<p>Read the entire label. This product must be used strictly\u00a0in accordance with\u00a0this label&#8217;s precautionary statements and use directions, as well as with all applicable state and federal laws and regulations. Please visit the\u00a0<a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4704094-1&amp;h=1358927137&amp;u=https%3A%2F%2Fassets-us-01.kc-usercontent.com%2Fe4748d51-2c24-00f7-fc54-65f3864ee8b1%2F5bec3f20-54af-4995-a1be-3b6ad2260c05%2FTanidil%2520New%2520World%2520Screwworm%2520EUA%2520Section%252018%2520and%2520USDA%2520Approval%2520Letter%2520Combined%2520US%25202026.pdf&amp;a=Tanidil+fact+sheet\" target=\"_blank\" rel=\"nofollow\"><b>Tanidil fact sheet<\/b><\/a>\u00a0for more information.\u00a0<\/p>\n<p>Use Period: This exemption is effective on April 27,\u00a02026\u00a0and expires on April 27, 2029. No applications of\u00a0Tanidil\u00a0may be made under the emergency exemption before its effective date or after its\u00a0expiration\u00a0date.\u00a0<\/p>\n<p>Credelio,\u00a0Credelio\u00a0Quattro,\u00a0Negasunt,\u00a0Tanidil, Catron, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates. \u00a9 2026 Elanco or its affiliates\u00a0<\/p>\n<p>Investor Contact: Tiffany Kanaga (765) 740-0314\u00a0<a href=\"mailto:tiffany.kanaga@elancoah.com\" target=\"_blank\" rel=\"nofollow\">tiffany.kanaga@elancoah.com<\/a><br \/>Media Contact: Colleen Parr Dekker (317) 989-7011\u202f<a href=\"mailto:colleen.dekker@elancoah.com\" target=\"_blank\" rel=\"nofollow\">colleen.dekker@elancoah.com<\/a><br \/>Media Contact: Mika Takahashi\u00a0(765)\u00a0335-4070\u00a0<a href=\"mailto:mika.takahashi@elancoah.com\" target=\"_blank\" rel=\"nofollow\">mika.takahashi@elancoah.com<\/a><br \/>Media Contact: Season Solorio (765) 316-0233\u00a0<a href=\"mailto:season.solorio@elancoah.com\" target=\"_blank\" rel=\"nofollow\">season.solorio@elancoah.com<\/a>\u202f\u202f<\/p>\n<p>\u00a0<\/p>\n<p id=\"PURL\">\n        <img loading=\"lazy\" decoding=\"async\" title=\"Cision\" width=\"12\" height=\"12\" alt=\"Cision\" src=\"https:\/\/edge.prnewswire.com\/c\/img\/favicon.png?sn=DE75960&amp;sd=2026-06-04\" \/> View original content to download multimedia:<a id=\"PRNURL\" rel=\"nofollow\" href=\"https:\/\/www.prnewswire.com\/news-releases\/elanco-animal-health-commits-to-supporting-us-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm-302791124.html\" target=\"_blank\">https:\/\/www.prnewswire.com\/news-releases\/elanco-animal-health-commits-to-supporting-us-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm-302791124.html<\/a><\/p>\n<p>SOURCE Elanco Animal Health<\/p>\n<\/p><\/div>\n<p>    <img decoding=\"async\" alt=\"\" src=\"https:\/\/rt.prnewswire.com\/rt.gif?NewsItemId=DE75960&amp;Transmission_Id=202606040626PR_NEWS_USPR_____DE75960&amp;DateId=20260604\" style=\"border:0px;width:1px;height:1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PR Newswire Company offers portfolio of treatment options and expert guidance following\u00a0first\u00a0confirmed case in\u00a0the United States\u00a0 New\u00a0World\u00a0screwworm\u00a0has officially reached the United States,\u00a0with the first confirmed case\u00a0in U.S.\u00a0livestock in Texasi\u00a0 New World\u00a0screwworm\u00a0can infest\u00a0any\u00a0warm-blooded animals\u00a0\u2013\u00a0including livestock and pets\u00a0\u2013 posing a\u00a0significant threat to animal health, welfare, and producer livelihood\u00a0 Elanco\u00a0offers a\u00a0portfolio of options for\u00a0both\u00a0livestock\u00a0and pets\u00a0that can\u00a0treat\u00a0infestations caused by New World screwworm\u00a0larvae\u00a0 INDIANAPOLIS\u00a0, June 4, 2026 \/PRNewswire\/ &#8212; Elanco Animal Health Incorporated (NYSE: ELAN)\u00a0today\u00a0reaffirms\u00a0its commitment to\u00a0providing\u00a0veterinarians, livestock producers, and pet owners\u00a0with\u00a0resources and treatment options for\u00a0their animals against the escalating threat posed by New World\u00a0screwworm\u00a0(NWS).\u00a0The\u00a0fly\u00a0recently reached the United States, with the first case confirmed in U.S. livestock in\u00a0Texas.i\u00a0 The\u00a0emergence of New World screwworm\u00a0in the U.S. creates a\u00a0threat for veterinarians, livestock producers and pet owners that &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/elanco-animal-health-commits-to-supporting-u-s-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Elanco Animal Health Commits to Supporting U.S. Livestock Producers and Pet Owners in Fight Against New World Screwworm&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-970439","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Elanco Animal Health Commits to Supporting U.S. Livestock Producers and Pet Owners in Fight Against New World Screwworm - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/elanco-animal-health-commits-to-supporting-u-s-livestock-producers-and-pet-owners-in-fight-against-new-world-screwworm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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INDIANAPOLIS\u00a0, June 4, 2026 \/PRNewswire\/ &#8212; Elanco Animal Health Incorporated (NYSE: ELAN)\u00a0today\u00a0reaffirms\u00a0its commitment to\u00a0providing\u00a0veterinarians, livestock producers, and pet owners\u00a0with\u00a0resources and treatment options for\u00a0their animals against the escalating threat posed by New World\u00a0screwworm\u00a0(NWS).\u00a0The\u00a0fly\u00a0recently reached the United States, with the first case confirmed in U.S. livestock in\u00a0Texas.i\u00a0 The\u00a0emergence of New World screwworm\u00a0in the U.S. creates a\u00a0threat for veterinarians, livestock producers and pet owners that &hellip; Continue reading &quot;Elanco Animal Health Commits to Supporting U.S. Livestock Producers and Pet Owners in Fight Against New World Screwworm&quot;\" \/>\n<meta property=\"og:url\" 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