Just one tablespoon of feces from a Crypto-infected calf contains enough oocysts to infect dozens of other calves if they consume it orally. The tiny oocysts have a hard outer shell that encloses and protects the parasite making them difficult to kill. . . . the most effective way to keep Crypto at bay is to remove moisture from calf environments and feeding utensils as … [Read more...]
7 tips for more effective vaccination programs in calves
Rhonda Brooks shares seven tips from bovine veterinarians that can help plan an effective vaccination program in calves. She reminds us that there is no effective one-size-fits-all strategy. Consider this article for communications with cow-calf, dairy or beef operators. It sets core considerations for what a vaccination program can and can’t deliver. Source: Dairy Herd … [Read more...]
Straw can pose mycotoxin risks in dairy heifer diets
Many U.S. dairy producers use chopped straw in their heifer rations to add fiber and bulk. Alltech feed quality evaluations show when a straw crop gets stressed or delayed in the field due to unfavorable weather conditions it can carry its own mycotoxin risks. The same is true for any straw that shows visible signs of mold. Source: Dairy Herd Management, October 5, 2022. … [Read more...]
Can somatic cell counts be too low?
Somatic cells are white blood cells that fight infection and repair tissue damage. Somatic Cell Count is used as an indicator of milk quality and udder health and lower SCC levels garner premiums from processors. Extension educator Amber Yutzy addresses concerns expressed by some producers about having SCC too low. Source: Dairy Herd Management, January 16, 2023. … [Read more...]
Study raises concerns about broken tails in dairy cows
Broken tails represent an animal welfare concern and result from improper handling. While the acceptable threshold for broken tails in adult dairy cows listed in the National Dairy FARM Program standards is five percent, a recent study found nearly half of cows had broken tails. The study results are telling of an industry management issue that needs further attention, said … [Read more...]
Are beef-on-dairy calves being over-vaccinated?
Dan Thompson, DVM, PhD, shares industry concerns about the distinct disparities between the lives of full-blood beef calves and their beef-on-dairy cousins before they reach the feedlot. He reviews the likelihood of over-vaccination, overloading the immune systems and pain associated with near-weekly needle pokes. . . . during the first 90-100 days of their lives, … [Read more...]
7 transition period diseases costing dairy producers money
Many dairy production problems can be traced back to the dry or transition period. It is one of the critical time frames in a cow’s production cycle, writes Taylor Leach. She shares a breakdown of seven diseases and how much cost they add. . . . the most common management diseases that occur during the cow’s transition period on U.S. dairies are lameness, mastitis, retained … [Read more...]
Transition cows. It’s tough being the new kid
Maureen Hanson shares takeaways from a recently published collection in the Journal of Dairy Science authored by Kathryn Proudfoot and Juliana Huzzey. Highlights include: Primiparous cows face new experiences outside of their control during transition. Primiparous and multiparous cows have different social, feeding and lying behaviors. When regrouped, primiparous … [Read more...]
Vintage mastitis-causing pathogen on the uptick
Prototheca bovis has been linked to mastitis since 1952. However, within the last five years, its prevalence has significantly increased. It is a non-photosynthetic, yeast-like microalgae thrives in high humidity and plentiful damp organic matter. Similar to Staph aureus and mycoplasma, Prototheca is hard to detect, has no known cure and is contagious by intermittently … [Read more...]
Colostrum may be Mother Nature’s answer to calf scours
Researchers have found that, even after gut closure, feeding partial quantities of colostrum reduces scours incidence. Using colostrum to treat scours would be a simple, practical, non-antibiotic and highly affordable option. One concern. What would the impact on the production and supply chain be if this use proves dependable?” – Kirk Augustine Source: Dairy Herd Management, … [Read more...]
Breeding the right cow for robots
Dairy farmers often forget to consider herd genetics when making investments in automated milking systems. Some conformation traits are easy to select for, but behavioral traits are more challenging. The authors share several conformational and behavioral characteristics a robot-ready herd should possess. Source: Dairy Herd Management, September 7, 2022. Link. With good herd … [Read more...]
Tips to minimize antibiotic use for mastitis
Pamela Ruegg, DVM, MPVM, wants dairy producers to avoid immediately reaching for an antibiotic when mastitis flares up. She recommends taking a step back to analyze the situation. Antibiotic treatment of dry cows and of clinical mastitis cases accounted for greater than 75 percent of all antibiotic usage.” - Pamela Ruegg, DVM, MPVM Source: Dairy Herd Management, September 20, … [Read more...]
New, on-farm pregnancy test kit from Idexx Laboratories
Complimentary Commercial Content With results available in 5 to 20 minutes, the Alertys OnFarm Pregnancy Test from Idexx Laboratories can be used cowside to determine pregnancy as early as 28 days post-breeding or 70 days post-calving. The new test gives producers time savings and convenience because they can preg test whenever they want." Source: Dairy Herd Management, … [Read more...]
Hybrid approach helps maximize colostrum quality
Achieving high levels of circulating IgG in newborn calves may be easier by boosting maternal colostrum with commercial colostrum replacer. It give calves the best of both worlds when it comes to maximizing passive transfer of immunity. Source: Dairy Herd Management, May 6, 2022. Link. With excellent dry-cow vaccination and colostrum protocols in place, supplementing … [Read more...]
Hoof ulcers: Don’t blame the ration
Gerard Cramer, DVM, DVSc, isn’t too concerned about subacute ruminal acidosis. Instead, he sees laminitis more broadly. Along with sole ulcers, common contributors are white line lesions, digital dermatitis, foot rot and toe ulcers. . . . the most common contributors causing lameness are standing time, flooring problems, and failure to control digital dermatitis.” - Gerard … [Read more...]
Over-the-counter access to antibiotics is going away
Medically important antibiotics in feed and water were removed from OTC channels when the Veterinary Feed Directive was implemented in 2017. The first phase of the VFD regulations did not address OTC antibiotics delivered via other methods like injectables, boluses and intramammary mastitis tubes. . . . the FDA has issued a new directive to bring all OTC drugs under veterinary … [Read more...]
The bottle beats the bucket for winter watering
Simply feeding milk or milk replacer isn’t enough in developing calves. Their rumens need a separate source of pure water to feed the fermentation process that promotes rumen development. Research in a 5-week comparison period found calves getting water by a bottle consumed an average of 1.4 quarts of water per day, compared to 0.2 quarts for the bucket group. Source: Dairy … [Read more...]
Knowing open cows more important than knowing pregnant ones
The most important controllable component of any breeding program is to identify your open cows, says Donna Amaral-Phillips, PhD. The faster open cows are identified, the sooner they can be rebred. Lost pregnancies are not just frustrating. They often cause long-term financial impacts. The more cows with extended days open, the greater the total cost.” - Donna Amaral-Phillips, … [Read more...]
Cow toilet is more than a passing novelty (video)
Laugh no more at toilets for cows. A prototype has been awarded the Gold Innovation Award at the 2021 EuroTier. The objective of reducing ammonia omissions is possible, say Dutch dairy producers who are experimenting with prototypes. Plus, the urine can be used later as targeted crop nutrient fortification. Pure urine is high in nitrogen and potassium. Source: … [Read more...]
Plan ahead to feed problem newborn calves
Not every calf that drops in the coming months will have what it needs to thrive, according to Jason Smith. He discusses the importance of early preparation and colostrum. The importance and value of colostrum to a newborn calf cannot be overstated. Most calves that don’t receive adequate colostrum in a timely manner will not survive. It’s as simple as that.” – Jason Smith, … [Read more...]
Dos and don’ts of down cow care
Down cow care is frequently scrutinized by various media sources. A down cow is a signal for producers to act immediately and summon help from a trained rescue team. Shaw Perrin, DVM, shared dos and don’ts in a webinar. Key points of down cow care are summarized in the article below, including guidance on euthanasia. Source: Dairy Herd Management, April 5, 2021. … [Read more...]
Dry cow rest may equal more live calves
The old method of putting cows into a dry pen and forgetting them is being debunked by research. Getting cows started off right in the dry period, keeping them healthy and ending it fully rested means more calves, more milk and happier dairy persons. Research from Ohio State University shows improving the factors that encourage close-up cows and heifers to lie down and rest … [Read more...]
Younger stock love grooming brushes, too
Access to grooming brushes for lactating cows shows they help reduce stress, keep animals cleaner and limit injuries. They also limit damage to facilities caused by cows that otherwise rub their heads and bodies on gates, pen walls and edges of feed and water troughs. New research says the same goes for young calves as well. The study, published in the Journal of Dairy … [Read more...]
10 early interventions to rescue sick calves
Scours and pneumonia are the twin challenges of every calf raiser, especially heading into winter. However, early detection along with proven interventions, will help many calves pull through temporary setbacks and thrive. . . . supportive care is more valuable than antibiotics.” - Pamela Ruegg, DVM, MPVM Source: Dairy Herd Management, November 3, 2021. Link. Develop … [Read more...]
60 percent more milk from 30 percent fewer cows
Karen Bohnert shares some of the drivers changing the future of U.S. dairy including areas where cows will be milked in the future. Source: Dairy Herd Management, August 31, 2021. Link. Sponsored Content Our industry’s researchers have investigated all aspects of individual cow health during, ahead of and at the end of milk production. Early detection of infection at … [Read more...]
Nuisance birds on the horizon
Birds like European Starlings will soon descend on feedlots and dairies, often roosting in nearby towns. Flocks ranging from 1,000 to 100,000 birds start showing up in October and will stay through March. The goal of a bird eradication program is to make the birds so uncomfortable that they don’t want to be there. One starling will eat about a penny’s worth of feed per day.” – … [Read more...]
Mycotoxins threaten calves and heifers, too
The 2021 harvest season will no doubt include the dangers of mycotoxins. These toxic substances are produced by molds growing on crops, either before harvest or in storage. Mycotoxins have long been associated with cow problems. New research has quantified the effects on calves and heifers. Source: Dairy Herd Management, August 4, 2021. Link. Researchers identified the … [Read more...]
60 percent more milk from 30 percent fewer cows
Dramatic changes have unfolded in the dairy industry during the last five generations. They include more ore milk production occurring on fewer farms, plus large-scale operations expanding into non-traditional markets. Karen Bohnert examines the top dairy states in the next decade. Source: Dairy Herd Management, August 31, 2021. Link. The June 2021 USDA’s Milk Production … [Read more...]
Danish entry methods benefit calf biosecurity (includes video)
Sponsored Content Replicating biosecurity measures of pig- and poultry-raising units, Kevin Janni, agricultural engineer, says a Danish entry allows people to enter livestock barns in a relatively biosecure way, without having to shower in and shower out. The key is that dirty boots or clothing never cross from the dirty to the clean side. Ideally, a hand-washing sink and … [Read more...]
Hemorrhagic Bowel Syndrome: silent, deadly in cows
Details surrounding Hemorrhagic Bowel Syndrome, including contributing factors, continue to be a mystery. Considered an emerging, highly fatal intestinal disease of adult cows, HBS is a growing concern to dairy producers, veterinarians and nutritionists. It is also known as the sudden death disease of dairy cattle. Source: Dairy Herd Management, June 21, 2021. Link. … [Read more...]