"We have a breeding program that would result in oysters that have a higher meat yield in it during the summer time."

VOA: standard.2010.07.13

They are engaged in raising livestock, which in Greece is more likely to be sheep and goats than cattle, but also breeding horses, which is very important for the aristocracy for carrying on warfare.

他们擅长豢养牲畜,在当地似乎养绵羊和山羊比牛要来的容易,但是他们同样养马,这对于贵族阶层发动战争很重要

耶鲁公开课 - 古希腊历史简介课程节选

Those facilities are so overcrowded that men are sleeping outside, exposed to malarial mosquitoes breeding in standing water.

VOA: standard.2009.09.08

And so Tai will be sent to one of the large breeding programs in Sichuan province, where he'll be paired with a mate.

VOA: standard.2010.02.02

It was a return to his roots. He began his work in the 1940s in Mexico, breeding wheat crops that were immune to another type of wheat rustthat had devastated crops there.

VOA: standard.2009.09.16