发情

They transit estrous information mainly by making courting sound and spreading special estrum scent.

大熊猫主要通过求偶叫声和气味住处传递发情求偶信息。

The result suggested that OCE was able to indue luteolysis and estrus in infertile cows with PCL.

这些结果表明，复方缩宫素有解黄体和诱导发情的作用。

The sows of natural oestrus ovulated more swiftly than the superovulation, and the embryo quality of nature was better.

超数排卵影响胚胎的质，自然发情母猪超数排卵母猪排卵快，且胚胎质。

The grass grows and the horse is ruttish, how reasonable the natural is in turn. The copulation in mule market has become the common thing.

草长马发情，这种自然界的交替是多么合乎情理。骡马市上的交配也就成了情理之事。