Ann Hess shares an update and perspectives on the advancing risk of the New World screwworm and where the risks exist for swine in the U.S. She includes how the changes in the Darien Gap increase risks. The Darien Gap has served as a biological barrier for keeping New World screwworm away from our border. Source: National Hog Farmer, June 13, 2025. Link. Fly control will be … [Read more...]
OSU researchers: Asian longhorned tick that can be deadly for cattle
As the Asian longhorned tick moves into new regions, researchers express concerns because ALTs can transmit a protozoan pathogen known as Theileria orientalis, specifically the Ikeda genotype. T. orientalis has similar clinical signs to anaplasmosis but impacts young animals instead of older animals. The Asian Long-horned tick is a three-host tick and reproduces through … [Read more...]
Poll reveals horse owner deworming behaviors
A June poll reveals how frequently a group of respondents deworms their horse(s). Information like this can help veterinary teams understand client behaviors and may provide opportunities to improve horse stewardship. The sponsored article below was linked with the poll results. In it, Christa Lesté-Lasserre, MA, shares what scientists are learning about equine parasite … [Read more...]
Review: Diagnostic testing for tick-borne diseases; recommendations, interpreting results
Ticks are making the news across the U.S. as resident populations bloom and areas experience new tick species migrating into a region for the first time. A large percentage of vector-borne diseases reported are vectored by ticks, with dogs acting as sentinels for human exposure to concerning bacterial, protozoal and viral agents. In this article, Doctors Schlemmer and … [Read more...]
Worth a Glance – June 12, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, June 5, 2025. Link. Most read posts from June 5 2025 AHD Bulletin – Strategies for culling cows this year. Link. Orange cats, freak of nature? Link. Plain speak. Link. AVMA’s New World screwworm resource for veterinarians. Link. DocTalk . . . Embryos and reproductive technologies. Link. … [Read more...]
AVMA develops New World screwworm resource for veterinarians
New World screwworm is a serious cause for concern. AVMA’s New World screwworm webpage delivers the key information veterinary teams need to stay ahead of this emerging threat. Veterinary teams will play a critical role in frontline defenses. The situation calls for vigilance and immediate response. Source: AVMA@Work, June 3, 3025. Link. … [Read more...]
Ramp up fly control or breathe through your teeth
Maggie Gilles provides a reminder all animal health pros need. Fly control begins with regular sanitation to remove manure and organic material from breeding areas. To increase effectiveness, it is important to implement one or more of the fly reduction approaches targeted to different life stages of the pesky flies. Stable flies and horn flies are the primary targets for … [Read more...]
Mass honey bee collapse may compromise US agriculture
More than half of the nation’s managed honey bee colonies have experienced mass die-offs. These losses, combined with honey bee die-off events during other times of the year, mean many beekeepers have seen 70 to 100 percent of their colonies collapse over the past 12 months. Source: AVMA, May 14, 2025. Link. The cause of the die-offs has not yet been identified. The usual … [Read more...]
New World screwworm fact sheet from Texas A&M
Texas A&M AgriLife Research and Texas A&M AgriLife Extension Service experts have released an updated fact sheet publication about the New World screwworm to provide livestock producers with key information about prevention, infestation and reporting of infestations. NOTE: Missouri screwworm report false, BEEF, May 27, 2025. Link. The USDA said the May 27th news … [Read more...]
Orkin reveals the country’s top spots for mosquitoes
Orkin recently published its annual report, ranking U.S. cities by the number of mosquito-related service requests from April 2024 through March 2025. According to Orkin’s 2025 Top 50 Mosquito Cities List, some areas of the U.S. will experience more of these pesky insects than others this summer. Los Angeles is the top spot for the fourth year in a row and statewide, … [Read more...]
Alpha-Gal Syndrome story: How researchers traced a red-meat allergy to Lone Star ticks
The range expansion of the Lone Star tick has been reported redundantly. Focused on our pets, we don’t always associate the Lone Star tick as a culprit that causes red meat allergies in humans. Danielle Gerhard, PhD, tells the story of how scientists discovered the Lone Star tick as the culprit causing Alpha-Gal Syndrome. This is an interesting read and a topic worthy of … [Read more...]
Tick-borne diseases of concern in U.S. horses
You may know and remember that ticks are capable vectors of several equine diseases but do your horse owner clients? Animal health pros can help clients understand the increasing risks from new ticks, regional expansion and disease prevention. Consider this article for newsletters or social media. Adding your own experiences with ticks in your local area while servicing clients … [Read more...]
Top 10 wild animals most likely to attack pet cats
Commentary A recent comment in an AHD post drew feedback. The post said that “community trap-neuter-return programs do a fair job of curtailing cat population growth where man becomes a sort of predator against future kittens.” <Link>. The reader offered the article here to expand on animals considered predators of cats in the U.S. Predator denotes any animal that … [Read more...]
USDA closes southern border, NCBA supports decision to halt the New World screwworm
Despite the United States' work to control the New World screwworm, weak governmental participation in Central America allowed the insect to spread north out of Panama. This has been coupled with a lack of timely action by officials in Mexico and now the U.S. cattle herd, other livestock, wildlife, pets and humans are at risk again. Consequently, the USDA has closed the U.S. … [Read more...]
Worth a Glance – May 8, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, May 1, 2025. Link. Most read posts from May 1, 2025 AHD Bulletin – Chewy Health president shares 3 trends revolutionizing pet healthcare. Link. Extended colostrum feeding adds $500 per heifer, slashes treatment costs, boosts lifetime milk. Link. New lifestage infographics-pet owner education, identify … [Read more...]
Tick control may be possible from exposed animals’ immune systems
Could it be? New Washington State University research reveals that animals like deer mice, rabbits and cattle can develop resistance to tick bites. And once they do, tick populations start to plummet. Ticks feeding on previously exposed animals were 23 percent less likely to reach adulthood, and female ticks that did survive produced 32 percent fewer larvae. Simulations … [Read more...]
Decoding a fly spray label
To effectively reduce the number of flies terrorizing horses, horse owners, retailers and veterinary teams need to identify and consider eight important elements from the various product labels available. The EPA tightly regulates label language. Know that the small print gives the types and levels of active ingredients, which vary from one fly product to the next. This … [Read more...]
Tick-borne pathogen threats to U.S. cattle operations
Serving as a reminder for cattle producers and their veterinarians, this article urges staying alert for signs of tick infestation within their herds. The authors say early diagnostic testing at the first sign of a suspect illness in their cattle should be considered. Major tick-borne threats to U.S. cattle producers include cattle tick fever (Bovine Babesiosis), Anaplasmosis … [Read more...]
Ticks are a concern in cats, too
Commentary After a jaunt in my suburban backyard I noted a deer tick on my sock. While checking for additional ticks on me and the dog, a neighborhood free-range cat jumped the fence in search of a field mouse, mole or songbird before Lil Buddy gave chase. The backyard incident was a stark reminder of the importance of year-round preventatives and my clothes as a … [Read more...]
USDA develops resource to help veterinary professionals recognize, respond to screwworm
Veterinarians and veterinary technicians are important in recognizing New World screwworm should an invasion of Cochliomyia hominivorax, the New World screwworm fly, occur. To help in these efforts, the USDA National Veterinary Accreditation Program has developed the training module, Module 41: New World Screwworm: A 21st Century Perspective. It goes over signs of NWS, its life … [Read more...]
Free, 30-day pet parasite forecasts boost local value of CAPC’s forecasting service
Commentary Veterinary teams and pet owners can now be alerted to local parasite disease threats at no charge using CAPC’s monthly pet parasite forecast maps <Link>. These alerts provide excellent reasons to communicate timely parasite prevalence and associated risks with clients and local media. The Companion Animal Parasite Council just released its 2025 Pet … [Read more...]
Habitat a priority in saving honey bees but there’s more species to consider
As seasonal plants arrive in local garden and hardware stores, consider the opportunity to support pollinators. Beyond honey bees, there are more than 4,000 species of bees in the U.S that help pollinate flowers, plants and crops. As few as three or four pots of the right plants can attract bees and butterflies on city streets, balconies and decks. We’re sharing three … [Read more...]
Worth a Glance – April 3, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, March 27, 2024. Link. Most read posts from March 27, 2025 AHD Bulletin – Stretching others. Link. Spring health checklist promotes consistent routine for horse care. Link. Preventing mastitis in pregnant heifers. Link. ================================= New word, gigil describes seeing … [Read more...]
Veterinarians, honey bees and beekeepers
Jörg Mayer, DVM, MS, DABVP, DECZM, DACZM, discusses the role of veterinarians in supporting bee health and wellness since the Veterinary Feed Directive was implemented. Source: AAHA, YouTube, March 13, 2025. Link. We don’t think of the honey bee as a farm animal . . . but it is.” Also see: Search results for: bees, AHD Archives. Link. … [Read more...]
U.S. heartworm risks increasing as mosquito populations, species more than double
One can imagine a forboding silence come over those listening to Susan Little, DVM, PhD, DACVM, as she shared an update on the growing prevalence of heartworm disease in U.S. dogs. She urged veterinary teams to be diligent in educating clients and assertive with their recommendations, noting DVMs have more powerful preventatives than ever at their disposal. Source: DVM360, … [Read more...]
Transboundary mosquito watch as JEV expands in Australia
Japanese encephalitis virus poses a serious viral threat to swine. Australian officials reported the first detections of JEV in animals in Queensland in July 2022. JEV is a flavivirus in the same family as West Nile virus, St. Louis encephalitis virus, and Murray Valley encephalitis virus. Source: PORK, February 18, 2025. Link. JEV is spread by mosquitoes and causes … [Read more...]
Varroa mites, public enemy No.1 to bees
Reducing the destruction to bee colonies caused by Varroa destructor mites is a priority for beekeepers worldwide, but research reveals that improper timing of various treatments could cause more harm than good. Source: Earth.com, February 10, 2025. Link. A common mistake among beekeepers is applying treatment too early or too late in the season. If treatment occurs too … [Read more...]
Worth a Glance – January 23, 2024
Last week’s AHD Bulletin – Animal Health Digest Bulletin, January, 16, 2024. Link. Most read posts from January 16, 2025 AHD Bulletin Managing your own expectations. Link. Reminder: Wood sugar, birch sugar, birch bark are the same as xylitol. Link. Cost of cow-calf production significantly influenced by operation size. … [Read more...]
DVM, home flea remedies are ineffective
We were pleased to see this article and its guidance. Karyn Kanowski BVSc MRCVS, addresses home remedies and ways to reduce flea exposure, including the reason monthly flea prevention is so important. Use this article to reinforce the “whys” of flea control and prevention in clinic communications. 90 percent of the flea population in the environment exists in the form of eggs, … [Read more...]
Don’t feed the wildlife
The intersection of wildlife and domestic pets gets closer to our back doors every day. The USDA recently updated its wildlife information, including signage for airports, parks and public places. Yet, the need for public education must extend beyond “don’t feed wildlife in your yard.” This coyote was photographed in a backyard a half mile from my home in Liberty, Missouri, … [Read more...]