Listeriosis is a bacterial disease caused by the bacteria Listeria monocytogenes. It is present everywhere in the environment and survives well in moist soil for about one year. A synopsis explaining the infection path of Listeria and how farmers can keep the infection at bay is provided here written by Clare Holmes from Northern Ireland’s Agri-Food and Biosciences … [Read more...]
Offer proper winter ventilation for calves
Calves are constantly producing water vapor as they breathe. At 37°F it is estimated that a calf is producing about 1.25 ounces of water per hour that generates a quart of water per day. The winter focus needs to be on controlling and removing excess moisture produced within the calves’ shelters. Source: The Bullvine, November 1, 2021. Link. Cold temperatures within calf … [Read more...]
Worth a Glance – October 21, 2021
Last week’s. . . . . . most read post Grain-free? Grain-ful? The Chatfields discuss pet food choices. Link. . . . AHD Bulletin Animal Health Digest Bulletin - Oct 14, 2021. Link. Label pea-protein cat food as not for ferrets, vet says Source: Petfood Industry, October 11, 2021. Link. Bladder stones in ferrets may be related to diets containing … [Read more...]
Comparing beef and dairy bull fertility
The increased use of beef sires on dairy cattle has raised questions on the relative fertility of beef versus dairy sires. Since 2008, dairy producers have had access to sire conception rate data. Similar information has not been available in the expected progeny differences published for beef sires for which a different scoring is used. A 2020 study by McWhorter et al. … [Read more...]
Worth a Glance – August 12, 2021
Last week’s most read AHD post Relief Rover raises $10K from virtual 5K event benefitting NOMV. AHD, Link Last week’s Animal Health Digest Bulletin - August 5, 2021. Link. Scientists have worked out how to send viable mouse sperm on postcards Source: New Scientist, August 5, 2021. Link. This study raises the intriguing idea that human spermatozoa could … [Read more...]
Pain management is quickest route to improved animal welfare
Pain management was pinpointed as one of the more accessible wins among animal welfare challenges and positive interventions identified during a recent Ruminant Health and Welfare workshop in the United Kingdom. Session attendees included veterinarians, researchers, farmers and other industry professionals. Widening the range of conditions where non-steroidals can be … [Read more...]
Worth a Glance – August 4, 2021
Last week’s most read posts – we have another tie Modeling fierce self-compassion. Link. Lincoln Memorial University pilots new advanced degree option for veterinary professionals. Link. Baby boomers can’t stop looking at their phones Source: Vice, August 3, 2021. Link. While stereotypes paint millennials and Gen Z-ers as phone and social media-obsessed … [Read more...]
Too big, too small or not at all? The future of dairy consolidation.
Consolidation is not a new phenomenon in the dairy industry. But, in the interest of what is most desirable, this author looks at dairy farms from the perspective of size. He notes the number of cattle is not getting smaller even as the number of farms is dropping dramatically. Dairy farms in the U.S. are consolidating at a faster rate today than any other agricultural … [Read more...]
Who, what, when where and why of calcium supplementation
Complimentary Sponsored Content Calving sets off a series of events in a cow’s body that impacts her entire system, including a steep spike in calcium demand due to colostrum production. Most second- and greater-lactation cows cannot maintain adequate calcium levels after calving, which often triggers clinical hypocalcemia, commonly known as milk fever, or subclinical … [Read more...]
Udder conformation, increasing concerns for farmers
Opinion, including Complimentary Commercial Content Dairy cows are expected to last 10 seasons. But New Zealand dairy producers are culling cows that should have been in their prime. Their udders simply aren’t holding up. Udders are blowing out, and some cows have had poor suspensory ligaments which became evident when they got a bit of age, shared producer Reg … [Read more...]
Dairy herds need to be vaccinated for leptospirosis
Agriculture Victoria and Dairy Australia are working together to inform dairy producers of the risks from leptospirosis. They developed a biosecurity tool to assist dairy farmers create a farm biosecurity plan tailored to their farm. An integrated approach to prevent leptospirosis should consider: vaccinating the whole herd (following directions on the vaccine label) … [Read more...]
Know the signs of foot rot in livestock
Diagnosis of foot rot requires a thorough examination. Lesions usually infect both claws of the hoof, so if only one side is infected, the problem is likely not foot rot, says Barry Whitworth, DVM. His discussion is featured in SUNUP, an agricultural television program worthy of sharing with producers via social media or newsletters. SUNUP video Source: The Bullvine, May … [Read more...]
Worth a Glance – May 13, 2021
NOTE: When it is time to catch up on your reading or recall something you scanned, try the AHD Archives on the right side of the AHD website. Such as: Archives for April 2021. Link. Last week’s top post Eating less meat won’t save the planet. Here’s why. Source: Animal Health Digest, May 4, 2021. Link. What my Mother’s death taught … [Read more...]
Prepare for dairy cattle heat stress
Dairy cows are extremely sensitive to heat and begin experiencing heat stress at just 65°F to 68°F. We’ve already had days with higher temperatures. The author discusses the effect of heat stress and offers some tips to help heifers and cows: Provide forms of heat abatement that avoid direct solar radiation Provide 24/7 easy access to drinking water both in the barn and … [Read more...]
Worth a Glance – April 8, 2021
How we treat animals will inform our future with robots Source: One Zero, April 1, 2021. Link. Author Kate Darling from MIT Media Lab believes that as humanlike robots become more advanced and more deeply integrated into society, we should be wary of people becoming accustomed to mistreating them. Diagnosis of the diagnostics in … [Read more...]
Manage calf pain during disbudding and dehorning
Research shows that calves experience pain from disbudding and dehorning, so including pain management is critical to their health. It’s up to producers, but veterinarians need to educate them about the importance of pain management. Source: The Bullvine, March 15, 2021. Link. Every farm should have a standard operating procedure for these animal health practices, so that … [Read more...]
Will removing dairy cows help stop climate change?
Researchers from Virginia Tech and the U.S. Department of Agriculture recently tested this hypothesis: Eliminate U.S. dairy cows and you’ll lessen climate issues. They found that if the dairy herd were somehow removed from the U.S., greenhouse gas emissions would only be reduced by about 0.7 percent. Milk production contributes approximately 1.3 percent of all U.S. GHG … [Read more...]
Frozen ground? Jacket the calves.
A commonly used rule of thumb is to put jackets on dairy calves as another level of protection when the ground is frozen. They help insulate them from winter temperature swings at least until their rumens develop and generate heat from fermentation activities. Source: The Bullvine, March 1, 2021. Link. Calf jackets are most useful for calves under 3 weeks of age and … [Read more...]
Don’t forget the heifers when managing mastitis
Heifers can be forgotten on the dairy farm. They live away from the main farm where they are not cleaned and bedded as often as the milking herd. This can cause huge mastitis issues when they become a productive member of the milking string. The author presents the easiest ways to control the spread of contagious mastitis bacteria to calves and heifers and shares tips to … [Read more...]
The way we breed dairy cows is setting them up for extinction
Ninety-nine percent of dairy bulls can be traced back to one of two bulls, both born in the 1960s. This means among all the male Holsteins in the country, there are just two Y chromosomes. The females are not much more genetically diverse, shares Chad Dechow, PhD, who cited the inherent risks of long-term genetic homogeneity. Source: The Bullvine, February 8, 2021. … [Read more...]
Barn cats need care, too
Sarah Peakheart, DVM, shares tips for caring for barn cats. Her recommendations are especially applicable to cats who are easily handled. Tips related to improving the cats’ environment and safety are also beneficial, even for cats that are more feral. Source: The Bullvine, November 16, 2020. Link. Make plenty of noise before starting up your vehicles or farm equipment, … [Read more...]
Dairy workers need to be wearing gloves and aspirin increases milk production
It is increasingly important to implement good hygiene on farms. Mastitis caused by contagious bacteria on a farm is hard to cure and results in loss of milk production and money. Being proactive in preventing new mastitis infections now will help to decrease the chance of an outbreak. The opening subhead on this article says it all! Wearing gloves is a very simple management … [Read more...]
Have you herd? Ruminants in a sustainable food system (AABP podcast).
Animal health pros are an important part of the front line to manage perceptions and truth about animals, animal stewardship and the impact of animals on our environment. Sara Place, PhD, discusses greenhouse gas emissions, how cattle are a solution to providing a sustainable food source for humans, and why the Food and Agriculture Organization’s report on GHG production … [Read more...]
BVD tears at dairy profits
Complimentary commercial content from Zoetis Bovine Viral Diarrhea is a disease issue in cattle worldwide. It is like a shadow in herds that robs production and herd health. BVD can be controlled with diligent management steps revolving around testing, culling, vaccination and farm biosecurity. . . . often BVD is a subclinical disease, and its symptoms get lost amid the … [Read more...]
Helping cattle stand the heat
Every summer, livestock media sources of all types feature piece about heat stress in cattle. Whether cow-calf, feeder or dairy cows, heat can damage their ability to maintain their rate of gain or milk production. The combination of hot temperatures, high humidity, and lack of air movement can result in severe cases of heat stress for cattle. When temperatures remain above … [Read more...]
Cowmoonication: Research finds cows ‘talk’ to each other
Hugh Lofting’s character, Dr. Dolittle, might not be so far-fetched. Research at the University of Sydney has shown that cows maintain individual voices in a variety of emotional situations. Cows ‘talk’ to one another and retain individual identity through their lowing. We found that cattle vocal individuality is relatively stable across different emotionally loaded farming … [Read more...]
Dressing cows for the holidays
Dressing in this case refers to garments designed for a Jersey cow herd for the Christmas holiday. Farmer Becky Houzé’s Jerseys are making history as the first herd to wear matching Christmas jumpers. You’ll smile when you see these cows in holiday attire. Source: The Bullvine, December 11, 2019. Link. … [Read more...]
Increased feeding frequency in dairy cows shows promise
Underscoring dairy cows as production animals, researchers sought to measure the results of feeding up to three times per day or more. Feed delivery frequency affects feed intake, digestive physiology, animal health, hormonal profile, milk production, resistance to thermal stress and economic returns. Source: The Bullvine, December 4, 2019. Link. . . . in the 3x feeding … [Read more...]
Beef genetics not equal in dairies
Crossbreeding dairy cows with beef genetics is a growing practice. Between being able to predict calf gender and various processors refusing to buy dairy cows for meat, dairy producers are using beef bulls as a way to add value to bull calves and generate additional income. There is a misconception that all beef genetics are created equal in terms of usefulness in creating a … [Read more...]
Colostrum, first-lactation colostrum and quality decisions
First-lactation heifer colostrum has historically been considered to be of low quality which sometimes led to it being dumped. However, first lactation colostrum should not immediately be discounted as inferior as it may be just as high of quality as colostrum from older cows. The author discusses variables worthy of sharing with producers in face-to-face discussions, on social … [Read more...]