Cooling cows efficiently with water spray

Dairies use intermittent sprinkler systems to cool cows in warm weather, but little experimental work has been done to determine how much water is needed to achieve beneficial effects. A group of dairy scientists conducted ...

How can you tell if an animal is happy or sad?

It's easy to tell when your friends and family are ecstatic or upset. People are human-centric, and hardwired to pick up the physical cues and social signals that indicate relaxed or stressed states.

Bringing nitrogen out to pasture

Cows in Brazil might start bellowing "leguuume" rather than "moo." That's because Jose Dubeux Jr. wants to plant more legume trees in cow pastures.

The unique biology of human breast milk

Humans may have the most complex breast milk of all mammals. Milk from a human mother contains more than 200 different sugar molecules, way above the average 30-50 found in, for example, mouse or cow milk. The role of each ...

Mothers' milk and the infant gut microbiota: An ancient symbiosis

Nursing infants' gastrointestinal tracts are enriched with specific protective microbes. Mother's milk, itself, guides the development of neonates' gut microbiota, nourishing a very specific bacterial population that, in ...

For females, a little semen may go a long way

For most guys in the animal kingdom, sex is a once-and-done event. Females from species like rabbits and cows get sperm from their mates and not much else. But in a Forum article published March 3 in Trends in Ecology & Evolution, ...

page 24 from 40