The Asian longhorned tick (Haemaphysalis longicornis) is the primary vector for Theileria orientalis ikeda, and it transmits the organism through its saliva while feeding on cattle. This disease has been reported in multiple states, including Alabama, Arkansas, Georgia, Iowa, Kansas, Kentucky, Maryland, Missouri, New York, North Carolina, Pennsylvania, Tennessee and West … [Read more...]
Start NOW to reduce barriers to heartworm prevention
A growing body of evidence-based protocols can help more pets get the care they need, while also supporting practice efficiency and revenue, writes Kristin Jankowski, VMD, CCRP, and Jenni Rizzo in this article. The key lies in understanding and removing barriers at every step of care: prevention, diagnosis and treatment. Consider this article as a reminder and resource to … [Read more...]
BIVI secures emergency use authorization for Ivomec (ivermectin) 1% for NWS
Under the FDA’s Emergency Use Authorization, IVOMEC (ivermectin) 1% Injection is authorized for the prevention of infestations caused by NWS (Cochliomyia hominivorax) larvae (myiasis) when administered within 24 hours of birth, at the time of castration, or at the appearance of a wound in cattle, except for female dairy cattle producing milk for human consumption and calves … [Read more...]
Worth a Glance – February 12, 2026
Last week’s AHD Bulletin – Animal Health Digest Bulletin, February 5, 2026. Link. Most read posts from February 5, 2026 AHD Bulletin – Pet humanization predicted to double global pet care market by 2035. Link. Why Ro is spending $233,000 per second on a Super Bowl ad. Link. The pro/con list – useless. Link. Dental revenue remains behind; 90 percent of … [Read more...]
USDA announces New World Screwworm Grand Challenge
The New World Screwworm Grand Challenge funding opportunity marks a pivotal step in USDA’s comprehensive strategy to combat NWS and prevent its northward spread. As part of the commitment USDA’s Animal and Plant Health Inspection Service will make up to $100 million available to support innovative projects that enhance sterile NWS fly production, strengthen preparedness and … [Read more...]
Early allergen introduction overrides allergy predisposition in offspring of horses with Culicoides hypersensitivity
The findings from a Cornell study of Icelandic horses support the idea that early exposure to an allergen* can prime an individual’s immune system to tolerate it and not become allergic later in life. The study results were published on October 21st in Frontiers in Immunology <Link>. Source: Paulick Report, December 11, 2025. Link. Training of the immune system to … [Read more...]
Most wild honeybees in U.S. expected to be Africanized
Wild honeybees recently moved into Todd Fitchette’s attic. As editor of Western Farm Press, he shared his story and why experts told him these feral bees are a concern from California to Texas. They’re a threat to humans and while not stated directly, can be a threat to pets. Source: Western Farm Press, November 13, 2025. Link. “The difference is in their attitude. … [Read more...]
Worth a Glance – November 13, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, November 6, 2025. Link. Most read posts from November 6, 2025 AHD Bulletin – Speed eating cats, skateboarding dogs . . . Thailand’s pet boom. Link. Everyday cat behaviors, early health signals, behavioral, bonding trends. Link. Gratitude is never garbage. Link. If you don’t train, don’t complain. … [Read more...]
Scientists focus on genetically engineering mice to cut Lyme disease transmission
Scientists hope to use genetic engineering to reduce the transmission of Lyme disease. The scientists' target is not the deer and ticks associated with the disease, but wild, White-footed mice, the main carriers of Lyme. The teams of scientists are engineering changes in the genetic makeup of the mice by adding a gene for an antibody that prevents Lyme infection to a mouse … [Read more...]
Insects could help turn farm food waste into sustainable livestock feed at industrial scale
Researchers have found a sustainable and large-scale way to turn farm food waste into animal feed using black soldier fly larvae. The researchers found that the larvae grown on food waste with the new, novel bio-conversion unit provided a nutritious, high-quality protein source for livestock feed. Source: DVM 360, October 13, 2025. Link. Unlike the common house fly, the … [Read more...]
FDA grants emergency use authorization for Elanco’s Credelio against New World screwworms in dogs
The FDA's emergency use of Credelio is temporary and only valid while the threat of screwworm remains. This is the first time the FDA has granted such an authorization for treating New World screwworm. Elanco warned that Credelio, part of a drug class called isoxazolines, has been linked to side effects such as tremors and seizures in some dogs. Source: Reuters, October 24, … [Read more...]
Tick dragging, canine-style
Tick exposure risk varies over the seasons of the year and there is seasonality to what tick species dogs or people are likely to encounter, writes Scott Weese, DVM. His recent experience with his own dog and the article are relevant for veterinary teams, retailers, pet services personnel and pet owners as fall progresses. Source: Worms and Germs, October 21, 2025. … [Read more...]
Worth a Glance – October 16, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, October 9, 2025. Link. Most read posts from October 9, 2025 AHD Bulletin – Ways to help cats and their caregivers prepare for veterinary visits. Link. Understanding the rise of career dysmorphia; what to do about it. Link. Competitive rivalries. Link. 4 giants dominate consumer pet food market … [Read more...]
Bluetongue in the Midwest
Vince Collison, DVM, shares recent experiences with Bluetongue virus infections in northwest Iowa in this article. He reviews the virus, how it is transmitted and how it affects animals who contract the disease. In the U.S., the biting midge Culicoides sonorensis is the primary vector of the virus that most frequently infects sheep and whitetail deer. Source: The Stockman, … [Read more...]
Asian longhorn tick found in Kansas
The Asian longhorn tick has spread through more than 20 states, including the most recent identification on a dog in Franklin County. Ottawa is the county seat. Source: Bovine Practitioner, October 10, 2025. Link. Image: Link. … [Read more...]
Researchers using ‘eBeam’ to battle New World screwworm
Texas A&M AgriLife and the National Nuclear Security Administration are exploring safer alternatives to high-radioactivity technologies to address NWS and other invasive arthropods. The eBeam technology used to halt fly reproduction is a potentially safer alternative to high-radioactivity cobalt-60 gamma sterilization. Source: Farm Progress, October 7, 2025. Link. Texas … [Read more...]
Zebra cows repel flies and win Ig Nobel Prize
Say what? Japanese researchers received the 2025 Ig Nobel Prize in biology for showing that black cows painted with white stripes repel flies better than their counterparts that didn’t look like zebras. Source: The Scientist, September 18, 2025. Link. Image credit: Tomoki Kojima et al., 2019, PLoS One, CC-BY 4.0 … [Read more...]
Worth a Glance – September 25, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, September 22, 2025. Link. Most read posts from September 22, 2025 AHD Bulletin – Job #1 – Getting results. Link. Older workers remain overlooked as sources of skill, experience. Link. Conditions associated with HPAI spreading to farms identified. Link. AAHA’s standards receive first-ever full … [Read more...]
Worth a Glance – September 4, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, August 28, 2025. Link. Most read posts from August 28, 2025 AHD Bulletin – KC Animal Health Corridor Summit and initiative posts. Link-1 and Link-2 July VetWatch® commentary. Link. Everyone’s a coach. Link. Recognizing the early signs of joint disease (video). Link. The joy of sharing life … [Read more...]
Anaplasmosis incidence growing
Lila Seidman’s article in The Los Angeles Times shares the growing threat of anaplasmosis in dogs in California. Anaplasmosis and Lyme disease are spread by western blacklegged ticks and can infect humans. A look at the Companion Animal Parasite Council map shows the anaplasmosis incidence across the country. Source: CAPC, The Los Angeles Times, August 18, 2025. … [Read more...]
Worth a Glance – August 7, 2025
Last week’s AHD Bulletin – Animal Health Digest Bulletin, July 31, 2025. Link. Most read posts from July 31, 2025 AHD Bulletin – Ridiculous to sublime. K-9 preventive wellness mirrors their humans. Link. Buzz off! Deer flies irritate horses and pester riders, too! Link. Timing BRD vaccines likely improves calf health, performance. Link. 7,000 steps/day is … [Read more...]
Buzz off! Deer flies irritate horses and pester riders, too!
Gina Fortunato, MBA, shared a recent horse riding experience with disruptive, biting deer flies that aggravated her horse despite fly shields. She shares her experience and some facts about deer flies, including feedback horse owners offered via social media. Gina (right) and a friend are pictured with their horses. Source: Gina Fortunato, Animal Health Digest, July 28, … [Read more...]
Synthetic bait, insecticide designed to attract adult screwworm flies being deployed
Swormlure-5, created using modern science and built upon previous versions, is a potent synthetic attractant that mimics the scent of open wounds, drawing adult screwworm flies to the bait, where they die, according to Sid Miller, Texas agriculture commissioner, who is quoted in this article. Source: Bovine Practitioner, July 2025, 2025. Link. The attractant only impacts … [Read more...]
Hunter ticks and pathogen transmission variables
The quest to better understand ticks continues. We shared longhorned tick information in the July 17 AHD Bulletin <Link>. Speaking at the AVMA conference last week, Susan E. Little, DVM, PhD, DACVM, shared a range of tactics that affect how quickly ticks can spread disease. The overview differentiates the methods tick species use to find a host and factors that influence … [Read more...]
New World screwworm webinar to take place July 30
The National Institute for Animal Agriculture Council of Animal Disease Issues and Emergency Management is hosting a webinar at 2:00 p.m. CDT on July 30 to explore the threat of NWS as a public threat. Dr. Anne Strailly, veterinary medical officer with the Centers for Disease Control and Dr. Sarah Speth, a board-certified preventive medicine veterinarian, will be the key … [Read more...]
Longhorned ticks here to stay. Let’s review.
A male longhorned tick is a rarity. Reproducing by parthenogenesis, females clone themselves laying hundreds of eggs and individually creating an entire population in any given area. Considered a pest, there is no evidence that Asian longhorned ticks transmit any infection to people or dogs here in the U.S. However, they can transmit disease to cattle, farm animals and … [Read more...]
Scientists discover what’s driving record die-offs of U.S. honeybees
Researchers believe a bee virus spread by Varroa mites’ resistance to amitraz is likely a main contributor to startling honeybee losses. Other factors, such as less food in the form of pollen and nectar as monocrop farming proliferates, are also indicated. Many U.S. beekeepers now expect to lose 30 percent of their colonies or more every year. Source: The Guardian, July 8, … [Read more...]
Fly control. Getting the timing right
Drovers’ 2025 Fly Control eBook provides every animal health pro with up-to-date information on controlling these costly buzzing nuisances. Even suburban and city dwellers may find something actionable as they deal with flies in backyards feasting on dog feces or pestering backyard flocks. In the free eBook, leading entomologists and veterinarians share: 4 proven steps … [Read more...]
Mexican Border closed again, New World screwworm comes within 370 miles of the U.S.
USDA Secretary Brooke Rollins shut down cattle, bison and equine trade at the U.S. Mexico border due to new northward detection of the New World screwworm in Mexico. Source: Bovine Veterinarian, July 10, 2025. Link. … [Read more...]
13 plants that gardening experts say repel mosquitoes
As garden centers close out spring flowering plants to get ready for the fall planting season you may still be able pick up one or two of these plants that help keep mosquitoes away. Locally, marigolds, lavender, citronella and basil are still available. Source: Martha Stewart, April 15, 2025. Link. Image: Link. … [Read more...]