Sentence examples for breed when from inspiring English sources

It explained that as part of an international programme, only unrelated animals were allowed to breed: "When breeding success increases, it is sometimes necessary to euthanise".

Adult beetles were breed when they were between 2 and 3 weeks old in plastic breeding boxes (17 × 12 × 6 cm) filled two-thirds with moist soil with a mouse carcass.

"Books breed when you're not there.

We even had some hog farmers whose hogs wouldn't breed when the temperature got too high.

Many fish won't breed when they are being looked at all the time.

Paddlefishes breed when seven or eight years old and spawn during spring floods.

We considered a controlled pair or territory as successfully bred when a fledgling was observed during the last part of the breeding period (see [34] for further details).

In meerkat communities, only the dominant female breeds; when others try to breed, the dominant female will often kill the pups or force another mother to abort.

The idea is that improved breeds, when crossed with local breeds, can be more productive and can ultimately fetch a higher market price.

On the contrary, there are indications that the authorities maintain a negative take on traditional breeds when it comes to their use in producing agricultural goods, while encouraging mountain cattle to be used as an instrument for cultural heritage production.

A set of trials was established between 1987 and 1991 at 28 locations throughout New Zealand to compare the performance of these genetically improved breeds when grown at a range of stocking levels.