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
The enteric methane mitigation potential of 3-nitrooxypropanol (3-NOP) has been confirmed in previous studies. 3-NOP is highly soluble and rapidly metabolized in the rumen. Previous studies have shown a persistent methane ...
Environment
Jun 24, 2020
1
10
Researchers have investigated the impact of heat stress in Australian dairy cows grazing summer pastures, revealing high temperature and humidity leads to a significant drop in milk production, but that this can be rectified ...
Veterinary medicine
May 25, 2020
0
7
Installing wireless sensors among crops and attaching 'smart' ear tags to livestock could help farmers produce more food with less impact on the environment.
Veterinary medicine
May 18, 2020
0
23
