Usa "estrus" in una frase

1. estrus (the period when the doe is most sexually receptive) even after

2. observing when the estrus cycle begins and the signs of pregnancy

3. Recognizing the signs of estrus is important because they will be your

4. A pen of ewes not in heat can be brought into synchronous estrus by the introduction of a ram

5. kill her, to bring the female into estrus

6. She knew her rhythms, her infertile periods, her moments of sexual estrus and arranged our jousts accordingly

7. a distinct period of estrus because she is in a state of constant estrus