| The optimum time for insemination depends on when the ovulation occurs in relation to the heat and for how long the semen is viable. |
| Only a very small amount of blood or semen is required to identify an individual. |
| However, even a stallion with low volume, poor-quality semen, if properly managed, can adequately settle mares. |
| It is therefore preferable that viable semen is present in the sample during ovulation. |
| That certificate does not contain any specific requirements concerning semen used for fertilisation. |
| Anwar's DNA from his semen was found on the mattress. |
