Industry groups have pushed for a single-tiered system since 2002. Similar to the system FDA uses for human vaccines, the single-tiered system makes the approval process more efficient, while still providing producers and veterinarians the information they need to make vaccine decisions. USDA published a final rule in 2015. USDA released guidelines in 2018, and the … [Read more...]
Genetic audits help dairies keep pace
Genetic audits can show whether a dairy is keeping pace with national genetic trends and where production is missing its potential due to management bottlenecks. Jim Dickrell shares the experiences of several dairymen who use genetic audits as part of their management metrics. . . . cows may have the genetics to perform at a certain level but aren’t doing so. The problem … [Read more...]
Compare mastitis treatment products
Mike Opperman shares a table to assess products that can help prevent or treat mastitis during the dry cow period or lactation. This handy one-page guide is available in PDF to print and leave with dairy producers or in the veterinary truck. <link to .pdf> Source: Dairy Herd Management, February 28, 2019. Link. … [Read more...]
Don’t let frostbite harm calves
Winter temperatures in some areas challenge early calving. Producers share their methods for fighting frostbite in these articles selected. Preventing damage to ears and tails is critical because once the tissue gets frozen, there’s little that can be done. Source: Dairy Herd Management, January 2019. Link. Frostbite is relatively uncommon in calves older than a … [Read more...]
Calf care videos now available online
Iowa State University Extension and Outreach and the University of Nebraska-Lincoln are making video resources available to provide training in calf management. The videos are available in English and Spanish and include: newborn calf carecolostrum managementanimal handlingautomatic calf feeder management hygiene and sanitation Source: Dairy Herd Management, January 25, … [Read more...]
When euthanizing livestock is necessary
JoAnn Alumbaugh shares some perspective on the potential challenges of euthanizing livestock following weather events, wildfires and in the face of an epidemic disease following the 2018 USAHA meeting. Unlike a foreign animal disease outbreak. . . the reason to euthanize after a fire or blizzard is to end animal suffering. Source: Dairy Herd Management, October 31, … [Read more...]
Daisy is a leftie, Flower is a rightie
Laterality (sidedness) is commonly observed with dairy cows. Really? Apparently, cattle express laterality naturally when choosing which side to lie down on or which side of the milking parlor to enter, according to Rick Grant. He says behaviorists believe that expression of a side preference is related to the cow’s emotional state and what they perceive as stressful or even … [Read more...]
Dry period: important phase for dairy cows
Anna Bradmueller and Donna M. Amaral-Phillips discuss the importance of managing dairy cows during the dry period. They provide good reminders for discussions with dairy producers. Source: Dairy Herd Management, November 26, 2018. Link. Drying off cows abruptly, administering veterinarian-recommended dry cow therapy, and using a teat sealant will help protect cows from … [Read more...]
Dairy how-to: pay attention to injection sites (educational video)
Even though dairy cows are raised for milk production, nearly all dairy animals end up in the beef supply chain at some point. That makes proper animal handling and drug administration important to avoid injection site lesions that can damage the carcass. Source: Dairy Herd Management, October 20, 2018. Link. We want to try and do all of our injections in the neck,” says … [Read more...]
Don’t let rodent control slip through the cracks
Mice and rats are looking for warmer digs and can sneak into any building anywhere. Elizabeth Ferry and Casey Zangaro write about pest control with a dairy view and their assertions fit scenarios animal health pros often encounter. Rodents have been recorded to carry up to 45 diseases than can easily be transmitted to farm animals if they are in the same vicinity Source: … [Read more...]
Genomics has reduced the generational interval
Genomic selection refers to breeding selection decisions based on genomic breeding values. The discovery of thousands of DNA markers plus the development of predicted breeding values based on marker data has allowed for accurate genomic selection of dairy sires by AI centers. A reduction in generation interval translates into more rapid genetic progress. Source: Dairy Herd … [Read more...]
Solar panels double as summer cow shades
Researchers at the University of Minnesota’s West Central Research and Outreach Center at Morris have installed solar panels that generate power and also provide cooling shade for cows and heifers. Power generation is the solar panels’ main purpose, of course. But positioned 8’ to 10’ above the ground surface, the panels can provide shade for 30 to 40 cows under one structure … [Read more...]
Opinion – USDA plans to contact veterinarians in animal welfare investigations
It’s not my role to cry wolf or create unwarranted anxiety. However, I believe veterinarians and their staff members need to spend time reviewing the APHIS webpage for attending veterinarians <link>. While the public relations for the new Animal Welfare Act initiative is to “strengthen relationships with the attending veterinarian community,” there may be other potential … [Read more...]
Hot, humid days harder on cattle than winter
Heat and humidity are hard on cattle, especially when hauling them, says Sandy Stuttgen. She provides charts on loading capacity and the heat index as handy reference tools. Their well-being especially suffers during humid days followed by evenings that do not drop below 70°F, as under those conditions, cattle will not have a chance to recover before the next hot, humid day … [Read more...]
Five dairy “do NOT do’s” in 2018
Nutritionist Mike Hutjens offers wisdom for dairymen facing low milk prices and low margins: Do not - Remove minerals from rations Cheat heifers; slow down growth Delay breeding with longer calving intervals Avoid body condition scores > 3.25 without rBST Saving a dime and lose a dollar (organic trace minerals, hoof trimming, bull breeding) Source: … [Read more...]
Cornell research: moderate cost for no antibiotics in dairy
A new Cornell University study pinpoints the financial toll that eliminating antibiotic use would have on dairy farms. The team took a systems approach that involves researchers in epidemiology, development sociology, and agricultural and health economics. Source: Dairy Herd Management, April 19, 2018, Link. To examine the effect of limiting the use of antibiotics in dairy … [Read more...]
Heed new pinkeye management protocols
Articles from AHD sponsor Addison Biological Laboratories provide information about how we should now manage pinkeye. Starting with a historical perspective helps. This is what we know: Pinkeye is a painful cattle disease that can reduce weaning weights as much as 17 lbs. to 65 lbs. per animal. Pinkeye is a multifactor disease. Once it begins to spread through a … [Read more...]
Cows love brushing (includes video)
Brian Murphy and his family installed automated brushes to improve cow comfort. The cows love the brushes and compete for position to take turns. Source: Dairy Herd Management, March 29, 2018. (Link) The brushes really help to keep the cows clean, especially this time of year when they are getting rid of their hair coat,” Murphy says. “The cows love to stand and rub against … [Read more...]
Forestripping milk cows offers many benefits
“Stripping the first three to five streams of milk prior to milking unit attachment serves three important purposes,” says Valerie Ryman, dairy Extension specialist. Forestripping, stimulates the teat for proper complete milk let down, removes the highest bacterial and somatic cell count (SCC) milk, helps milkers identify clinical mastitis and abnormalities in the … [Read more...]
Transition cow diagnostics: 5 areas to focus
Dr. Mark Thomas returns to the basics when he works with veterinary students or on-farm staff. He focuses on five major areas that can be checked with limited equipment: Udder Uterus GI system (abomasum) Lungs Metabolic Source: Dairy Herd Management, January 3, 2018. Some might argue this oversimplifies the many organ systems and diseases that can affect a … [Read more...]
Keep pre-weaned dairy calves healthy and warm
The pre-weaning period is when calves are highly susceptible to cold stress with a lower critical temperature of 50°F for newborn calves and 32°F for older calves. In other words, calves are very easily stressed right now. Those that experience cold stress will have compromised immune systems, affecting them for life. Tracey Erickson with South Dakota State University … [Read more...]
Study suggests more than half of lameness goes undetected
“Producers are aware of lameness as an issue in dairy herds and almost all monitor lameness as part of their daily routine. However, producers underestimate lameness prevalence, which highlights that lameness detection continues to be difficult in in all housing systems, especially in tie stall herds,” according to researchers who studied dairy farms. Source: Dairy Herd … [Read more...]
Prevent zoonoses on dairies
An outbreak of multi-drug resistant Salmonella has been associated with dairy calves across the U.S. The Centers for Disease Control and Prevention reported that the outbreak affected 54 people in 15 states. One third of the affected required hospitalization. Situations like this remind us that we should always keep zoonotic diseases in mind. Source: Dairy Herd Management, … [Read more...]
Stay ahead of Coccidiosis in calves
Coccidia, a parasitic protozoa that colonizes in the intestinal tract of cattle, is one of the “biggies” of pathogens that cause scours in pre- and post-weaned calves. Eggs are produced internally and pass into the environment via shedding in manure. Nearly all animals on dairies will eventually be exposed to coccidia. Source: Dairy Herd Management, December 7, 2017. If the … [Read more...]
2016 antibiotic sales down 10 percent from 2015
The use of antibiotics in livestock production continues to be a hot topic with the threat of antibiotic resistance from superbugs. A new report indicates a reduction occurred even prior to the implementation of the VFD. Source: Dairy Herd Management, December 18, 2017. FDA released a 2016 summary report December 7, 2017 on “Antimicrobials Sold or Distributed for Use in … [Read more...]
New video series promotes understanding of dairy management systems
A series of six new videos from Iowa State University Extension and Outreach have been created to help beginning dairy farmers learn about different types of dairy operations and management systems. Each video features a dairy farmer who discusses the different aspects of their operation. We agree these videos will also help generational succession changes required as older … [Read more...]
Study finds dairy has anti-inflammatory effect (includes video)
“Dairy products, particularly fermented dairy products, have anti-inflammatory properties in humans not suffering from allergies to milk,” said Bradley Bolling, citing research from University of Wisconsin during the World Dairy Expo. Source: Dairy Herd Management, October 5, 2017. A UW study involving 132 women over nine weeks, yogurt provided some anti-inflammatory … [Read more...]
10 steps for milking excellence
Each year, regardless of milk price, the top 20 percent to 25 percent of dairy producers show some profit per cow. Pamela Ruegg, DVM, identified 10 smart things dairy farmers do to achieve milking excellence: Set performance goals. Rapidly identify problems. Milk clean cows. Standardize milking routines. Train staff. Maintain and update milking systems. … [Read more...]
Flood resources now available
A new pamphlet for preparing, responding and recovered from flooding is now available from the University of California’s vet school. You can get it here. A second pamphlet deals more with dairy farms and evacuations due to flooding. Get it here. Source: Dairy Herd Management, September 8, 2017. Following one of the wettest seasons on record in California, the University of … [Read more...]
Two main points on dairy heifer raising
Matt Lippert discusses many details on how best to economically raise sound animals that will be useful for a dairy herd. Source: Dairy Herd Management, August 8, 2017. One of the best ways to trim cost is to stop raising excess heifers, says Lippert. He references evidence to avoid cutting corners on young calves. They need colostrum within minutes to very few hours after … [Read more...]