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By Dr. James C. Coomer, Ph.D., P.A.S. The advancement in genetic ability of the Holstein dairy cow to produce milk and milk components have been on the rise over the last decade or so. In 1993, Dr. Mike Hutjens from the University of Illinois gave a presentation at the annual American Dairy Science Association (ADSA) […]
By Grace Thomas, M.Agr.Sc. P.A.S. With 22% of the world’s dairy herd showing signs of lameness and the prevalence of lameness in herds showing little change over the last 30 years (Thomsen et al., 2023), tackling this issue should be a priority for most farms. Lameness not only has a negative impact on animal welfare, […]
By Dr. Keira Cruickshank, Ph.D. While we have been lucky with a warm fall season in parts of the Midwest, changing seasons and colder weather are inevitable. Fall is a great time to consider the preparedness of your calf facilities and program to ensure calves can effectively face the potential challenges that winter brings. Cold […]
By Dr. Adrian Baker, Ph.D. Newly-received calves can be challenging and every producer it seems has a story of a group of calves that will never be forgotten for all the wrong reasons. Commonly, those calves have been recently weaned and exposed to additional stressors, such as commingling at auctions, feed or water restriction, and […]
What is Southern Rust? Southern rust is a disease caused by the pathogen Puccinia polysora, which produces fuzzy pustules or bumps on the leaves and stalks of corn. Within these pustules are thousands of small orange spores (where the disease name “rust” comes from) that can spread to other corn plants by wind for several […]
By Dr. Dave Jones, Ph.D., P.A.S., & Mat Faulkner, Ph.D. A recent Agri-King Advantage article (Schauff, May 2025) covered the effects of inflammation and oxidative stress on dairy cows. That article described potential damage to the host caused by inflammation and oxidative stress. Schauff also touched on the reactive oxygen species (ROS) involved and the […]
By Dr. Dan Schauff, Ph.D., P.A.S. We are learning more from field observations and research evidence of the negative impact that inflammation and oxidative stress have on milk production and the health of dairy cows. Summer heat stress can cause an inflammatory and oxidative stress response in lactating dairy cows, resulting in decreases in dry […]
By Grace Thomas, M.Agr.Sc. P.A.S. Soya has long been the go-to protein feed source in dairy cow rations. However, if feeding soya is controlled or limited by the milk buyer, the producer must find an alternative source of protein to meet the cows’ protein needs. To find the best replacement for soya in a diet/ration, […]
By Dr. James C. Coomer, Ph.D., P.A.S. There are a lot of alternative feeds available for use in feeding livestock. Additionally, there will be new alternative feeds produced in the future as most, if not all, alternative feeds are by-products of other industries (human food, renewable fuel, pharmaceutical, or other industries). As new products are […]
By Dr. Adrian Baker, Ph.D. Mycotoxins in feedstuffs fed to growing beef cattle have been of little concern and quite often growing cattle have been utilized as an outlet for contaminated feed. One of the mycotoxins that has been more extensively studied in beef diets is deoxynivalenol, commonly known as vomitoxin. A review of the […]
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