配种期

雄性大熊猫配种期的性行为观察

Observation on the sexual behaviour of male giant panda during the mating

配种期过后，送你回去，重获自由。

You are going back after the mating season is over and free again .

食粪次数从7&8次到近100次不等，不同生理阶段差异很大，以哺乳母兔、妊娠母兔和配种期公兔最多。

The times , from 7 & 8 to 100 , vary with the physiological stages , which are the worst during lactation and pregnancy of the does and the males mating .

配种期母猪管理的好坏，直接影响它的发情、排卵、受精和产仔，甚至影响母猪后续繁殖力和使用年限。

The quality of management of breeding sows , the direct impact of its heat , ovulation , fertilization and birth , and even affect sow fertility and the use of follow-up period .

本研究通过三组试验探讨了半胱胺对育成期、冬毛生长期和准备配种期银狐生产性能的影响及其在饲料中的最佳添加方式。

In present study , three experiments were designed to investigate the effects of cysteamine on producibility of silver fox in rearing period , winter fur growth period and preparative breeding period , and to determine optimal supplemental ways of cysteamine in feed .

本文旨在综述后备母猪、妊娠母猪、泌乳母猪及断奶&再配种间隔期母猪的营养与饲养管理方面的研究新进展。

Recent research advances in nutrition and feeding management of replacement gilts , gestating , lactating , and dry sows were reviewed in this article .

第1至5胎发情配种，情期受胎率分别为91.2%、97.1%。100%、96.2%和95.5%。

Their estrus duration was 2-8 days , and their libido last 1-4 days , From the first to the fifth farrowings , tbe conception rate were 91 . 2 % , 97 . 1 % , 100 % , 96 . 2 % and 95 . 5 % respectively .

断奶至配种间隔和妊娠期对母猪繁殖性能的影响

Effects of the Interval from Weaning to the Breeding and Pregnancy on the Reproductive Performance of Sows