With calves weaned, veterinarians criss-cross the country conducting pregnancy checks, or preg checking, cow herds. The vet calls out and marks an “O” on the hips of “open” or non-pregnant cows.

Five songbird species in California's oak woodlands each seek out a different habitat to maximize their reproductive success, according to new research. Five songbird species in California's oak ...

CentralStar Cooperative has named the recipients of its ReproStar Awards, honoring four dairy operations for outstanding ...

With calves weaned, veterinarians cross the country conducting pregnancy checks, or preg checking, cow herds. The vet calls ...

Male bonobos have an impressive ability to detect when females are most fertile, even though the usual visual cues are unreliable. Researchers tracking wild bonobos in the Congo discovered that males ...

Why does the peacock have such an elaborate tail? This cumbersome trait significantly decreases the male's chances of survival. It only exists because it confers an advantage to its bearer in the form ...

Animals have personalities too—and some animal couples raise their young better based on how well their personalities match. Greylag geese, which mate in long-term monogamous relationships, have ...

This is a preview. Log in through your library . Abstract Environmental conditions in early life can profoundly affect individual development and have consequences for reproductive success. Limited ...

This is a preview. Log in through your library . Abstract Reproductive effort is a key parameter of life history because it measures the resources allocated to reproduction at the expense of growth ...

One of the top science stories of 2012 (according to Discover magazine) was a study of fruit flies conducted by UCLA’s Patricia Gowaty and her colleagues. In their research labs, they tried (and ...