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...]
90 percent of cat owners make these winter mistakes. The cat suffers, but they don’t notice
Commentary Kristin Wuhrman often says, “The smallest changes in daily routines are often where the biggest health signals begin.” So, when we discovered the video shared here, it was logical to ask Kristin to review it and write a post we could share on Animal Health Digest. Guest Post by Kristin Wuhrman, Certified Cat Behavior Consultant This video is an excellent … [Read more...]
Considerations for producers when choosing and integrating livestock guard dogs
Livestock guardian dogs remain among the more effective non-lethal tools for reducing livestock predation when effectively managed, writes Bill Costanzo. Realistic expectations and adaptive management practices based on predation levels and predator type are needed. Owners must acknowledge the limitations of the dog or dogs. Source: AcreageLife, February 1, 2026. Link. LGDs … [Read more...]
4 easy ways to ice-proof horses’ hooves
Melinda Freckleton, DVM, shares the importance of dealing with “ice balls” or “snowballs” caused when snow and ice get packed under a horse’s hoof, warms up slightly against the sole, then freezes readily against the cold metal of the shoe. To avoid injuries from poor footing or hoof damage, she shares ice-fighting strategies. Consider sending this article to horse-owning … [Read more...]
How prolonged maternal care in horses builds better brains and improves social skills
Study results from INRAE in France showed that foals who stayed with their mothers were much better off in several areas. Their brains developed faster in the parts that control emotions and social behavior and there was stronger connectivity in the default mode network. The researchers were surprised to find that foals with their mothers gained more weight even though they … [Read more...]
Prevent scours with pasture moves
Scours is usually an outbreak waiting to happen and it’s rarely caused by a single factor. Roslynn Biggs, DVM, shares the importance of keeping calves on clean ground by moving them routinely, as the Sandhills calving system describes. Source: Hay and Forage Grower, February 3, 2026. Link. Also see: Have you tried the Sandhills Calving System?, Progressive Cattle, … [Read more...]
Red lighting in dry cow pen, consistent with known physiology
There’s a hypothesis being tested using red lights at Parkview Dairy in Delhi, California. The new dry cow barn was constructed with red lights to better understand how light exposure regulates circadian rhythms. The concept emerged from a broader awareness of circadian biology and a recognition that traditional barn lighting often overlooks how cows perceive light at … [Read more...]
FDA approves new generics for cattle; a BRD treatment and a dewormer
The Food & Drug Administration announced approvals of two veterinary treatments targeted at cattle health issues on January 22nd: Dewormer: Defendazole (fenbendazole) oral suspension, by Norbrook Laboratories Ltd. (ANADA 200-831) contains same active ingredient as Safe-Guard (NADA 128-620). BRD treatment: nixiFLOR (florfenicol and flunixin meglumine) injectable … [Read more...]
KCAHC shares available resources at National Association of Agricultural Educators Conference
Commentary Momentum beyond metrics describes the experience KC Corridor representatives found when sharing workforce recruitment and educational resources available through the collective efforts of the Kansas City Animal Health Corridor and the exploreahcareers.com website. “We may never know exactly how many students choose animal health because of something they heard, … [Read more...]
Frozen chicken should come from the grocery, not the coop
When temperatures fall below 60°F, chickens begin to experience cold stress, which can be severe and lead to death in extreme cases, writes Marisa Erasmus, PhD. She shares various factors that affect chickens’ susceptibility to cold stress. The article is relevant for poultry operations of all sizes, including the chickens in backyard poultry coops. Source: Modern Poultry, … [Read more...]
Good help is hard to find. Ways to attract, keep top farm employees.
Retaining exceptional employees in agriculture production requires innovative strategies that go beyond traditional compensation. Wesley Tucker shares strategies from a brainstorming session at The Executive Program for Agricultural Producers on how to link exceptional employees to the farm for the long haul. Source: Missouri Ruralist, January 26, 2026. Link. INSIGHTS: … [Read more...]
Boost herd health and performance through the transition period
The importance of managing the transition period from dry-off to peak milk rightfully dominates dairy management topics. In the article shared here, Zoetis’ Matthew Boyle, DVM, shares best practices that set transition cows up for success. Source: Progressive Dairy, December 15, 2025. Link. Boyle emphasizes the opportunity to make small adjustments in each of the three … [Read more...]
Ensure the bulls will be ready when their time comes
While January, February and March are typically a loafing period for breeding bulls, husbandry during winter remains important to ensure they are healthy when it’s their time. Beth Reynolds summarizes winter bull management in two categories: nutrition and breeding soundness. She says managing the impacts of cold weather on breeding soundness in herd sires requires being … [Read more...]
Extension beef specialist concerned about lower quality hay from 2025
Jeff Lehmkuhler has never seen lower hay quality than what he witnessed in 2025. With winter weather extremes and spring-calving cows in their third trimester, he recommends pulling forage samples to document what nutrient levels exist in unique lots of hay, then adjust accordingly. Communicating the importance of nutritional sampling is a simple action for veterinary teams … [Read more...]
Review: Tips to reduce the chance of hypothermia in calves
It never hurts to review and refresh calving processes. In this article, Oklahoma State’s Mark Johnson explains how to identify, prevent and manage cold stress in baby calves, including precalving nutrition of the cow that can reduce the chances of hypothermia. Consider positioning this article in social media posts or link it in newsletters. A few minutes to send it out … [Read more...]
Solvet launches CattleZen to reduce stress, boost health in cattle
CattleZen is a proprietary blend of maternal bovine-appeasing substance and a calming pheromone that, when applied just above the muzzle, stimulates a calming effect. The product will be officially launched at the 2026 CattleCon NCBA trade show, providing producers with an opportunity to learn about the science, performance benefits and practical use of the product. Source: … [Read more...]
Worth a Glance – January 29, 2026
Last week’s AHD Bulletin – Animal Health Digest Bulletin, January 22, 2026. Link. Most read posts from January 22, 2026 AHD Bulletin – College women far outnumber men in law, medical, vet schools and it matters. Link. RHDV-2 confirmed in North Carolina. Link. 5 common dog ailments that respond well to laser therapy. Link. PetSmart rolls out omnichannel … [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...]
Rabbit Hemorrhagic Fever confirmed in North Carolina
The first case of Rabbit Hemorrhagic Disease Virus type 2 in North Carolina has been confirmed in a domestic rabbit in Dare County. RHDV2 is typically a fatal disease affecting both domestic and wild rabbit populations. It is highly contagious, with mortality occurring within nine days after infection. While there have been isolated cases of RHDV2 in domestic rabbits in the … [Read more...]
Review: Stomach tubing best practices for new born calves
Bruce Derksen shares good reminders about when newborn calves need help in the form of stomach tubing. Before using the tube, consider these key steps to help ensure success. Tube condition, cleanliness and temperature are especially important. Source: Progressive Cattle, January 15, 2015. Link. Tubing a calf is a relatively simple process, but if done incorrectly, it will … [Read more...]
Acupuncture for cows
Acupuncture may provide a practical, low-risk adjunct for cattle veterinarians for pain and restoring function in food animals. It also can stimulate and influence both immune and reproductive system regulation. Source: Bovine Veterinarian, January 14, 2026. Link. When analgesic tools are scarce and animal comfort matters, acupuncture may offer a meaningful benefit at … [Read more...]
Mortality at the sow farm: a 10-year retrospective
Mortality continues to be one of the most influential factors affecting profitability, yet remains difficult to reduce. Despite ongoing innovation, robust disease management and collaborative efforts across all sectors of swine production, the analysis of a decade of data clearly shows the ongoing struggle with mortality. Rachel Johnson shares livability trends and data about … [Read more...]
New research identifies direct cause of porcine ear necrosis
By focusing on managing bacterial exposure and preventing ear trauma, swine farms may finally be able to reduce the incidence and severity of porcine ear necrosis, a global welfare‑related condition. A new controlled study provides evidence that Fusobacterium necrophorum can directly induce PEN‑like lesions in pigs. Source: National Hog Farmer, January/February 2026. … [Read more...]
New AI tool can take a cow’s temperature with only a photo
With potential to help cattlemen detect temperatures before visible signs of illness, a new tool from the Artificial Intelligence and Computer Vision Lab at the University of Arkansas uses artificial intelligence and thermal cameras to estimate the body temperature of cattle. Source: University of Arkansas, January 2, 2026. Link. The system, called CattleFever, is the first … [Read more...]
Looking ahead to CattleCon26, Nashville, February 3rd – 5th
As animal health pros wrap up VMX and head to IPPE, Nashville is prepping for cowboy hats, boots and all things beef. Check out five new things to enjoy at CattleCon26 <Link.>. AHD Sponsor Novonesis is on the program Tuesday, February 3, to discuss the “Effects of a direct-fed microbial in finishing cattle.” Experts on applied microbiome science will also be available … [Read more...]
Avian influenza outbreaks confirmed in 5 states
Confirmed avian flu outbreaks have hit another five U.S. states, affecting more than 128,000 birds, according to APHIS. The recent outbreaks occurred at commercial poultry farms and in backyard flocks in Arkansas, Kansas, Maryland, Nebraska and New York. The virus is also suspected in the deaths of wild birds in Florida and Iowa. Source: CIDRAP, December 30, 2025. … [Read more...]
What you should know about the 3 stages of calving
Parturition, or the birthing process, has three stages. Understanding the stages is critical to know when to provide help, writes Angie Stump Denton. Complete with videos, the article is a good reference for novice producers, animal health pros serving cow-calf producers and for new hires on established farms. Source: Drovers, January 6, 2026. Link. Offering assistance to a … [Read more...]
Late gestation cows. Get them the groceries
Livestock nutritionists will tell you that those last few weeks before calving are the most critical time for the nutrition for your cowherd, writes Clint Peck. Diets for gestating heifers and cows must support lactation, fetal growth and replenishment of body condition at varying times during pregnancy. Grazing alone will often not meet the requirements of pregnant cows for … [Read more...]
Temple Grandin’s portrait becomes part of Smithsonian gallery
Temple Grandin, Colorado State University distinguished professor, is the subject of a portrait that was recently unveiled to hang in the Smithsonian Institution’s National Portrait Gallery in Washington, DC. Respected worldwide as the designer of humane livestock handling systems, Grandin-designed facilities now handle more than 50 percent of North American Livestock. She is … [Read more...]
This blog’s for you
Commentary There are numerous factors to consider as animal health pros work to improve and grow our industry. Each week, your AHD team focuses on delivering published content that has the potential to advance and improve narratives critical to serving animal owners, their animals and the people working in our industry. Last week we shared Stephen Covey’s Circles of … [Read more...]