Known as a crucial component in the body's ability to absorb and retain calcium, essential to processes such as the development and maintenance of healthy bones, vitamin D has also been found to play important roles in immune ...
Plants & Animals
Oct 14, 2021
0
27
For dairy cows, the transition period—the time between a cow giving birth and beginning to produce milk—brings the greatest possibility of health problems. The current widespread belief is that the effects of excess nonesterified ...
Veterinary medicine
Jul 19, 2021
0
6
A team of researchers at the University of Zurich has found that domestication of cows has led to reduction in cow brain size. In their paper published in Proceedings of the Royal Society B, the group describes comparing ...
Present in blood, urine, and milk, the chemical compound urea is the primary form of nitrogen excretion in mammals. Testing for urea levels in dairy cows helps scientists and farmers understand how effectively nitrogen from ...
Biotechnology
Jun 10, 2021
0
4
Methane emissions from North American livestock may be routinely undercounted, a new analysis by researchers at New York University and Johns Hopkins University finds. The work also notes that in developing countries, where ...
Environment
Jun 1, 2021
5
149
Getting nutrition right during a dairy cow's dry period can make a big difference to her health and the health of her calf. But it's also a key contributor to her milk yield after calving. New research from the University ...
Veterinary medicine
Jan 28, 2021
0
6
Dairy cows, exposed for a few years to drinking water contaminated with heavy metals, carry more pathogens loaded with antimicrobial-resistance genes able to tolerate and survive various antibiotics.
Ecology
Nov 16, 2020
0
32
Since 1960, Holstein dairy cows have exhibited a substantial decline in fertility, with serious economic consequences for farmers. Genetic selection programs in the United States and elsewhere have emphasized milk production ...
Veterinary medicine
Aug 24, 2020
0
6
Researchers in Spain propose mitigating methane production by dairy cattle through breeding. In an article appearing in the Journal of Dairy Science, scientists are targeting reduction of enteric methane in the breeding objectives ...
Plants & Animals
Jul 22, 2020
0
5
It is estimated that in the United States, environmental heat stress in cows costs the dairy industry more than $1.5 billion annually due to decreased milk production, impaired reproductive performance, increased rates of ...
Veterinary medicine
Jul 16, 2020
0
5
