Most of his first big investments were in cows, either for entering into shows or for producing calves and milk.

Both effects are expected to cause a fall in caribou populations because females produce fewer calves if less food is available.

Because heavy cows cannot breed easily in the hot weather, they do not produce calves and eventually stop producing milk.

But exacerbating the problem, he said, is the fact that many females never produce calves.

To maintain lactation, a dairy cow must be bred and produce calves.

Brahman cattle live longer than many other breeds, often still producing calves at ages 15 and older.

And the cows you sell now aren't going to be producing calves for you next year.

She's young and healthy and she should be able to produce numerous calves.

Eight of the 16 embryos produced calves over a two-week period in January.

In those experiments, cells from one embryo were used to produce calves and more embryos.