发情前期 meaning in English
proestrum
proestrus
Examples
- Proestrus : the female attracts males , has a bloody vaginal discharge and her vulva is swollen . proestrus lasts approximately nine days ; the female , however , will not allow coitus at this time
发情前期：母犬开始引诱公犬， * *有血渗出，阴户涨大。发情前期约持续九天，不过，这段时间，母犬并不与公犬交配。