oestrus
6.Generations of the Sheep Bot Fly, Oestrus ovis in the Southern Border Area of Zhungeer Basin
7.The duration and the interval of post-partum oestrus were 33.0 hours and 76.6 dars repectively.
8.(5)The average time when ewe of post partum appears first oestrus is approximately 102d.
9.The oestrus rate of ewe was1000%; The conception rate was 70%; The rate of lambing was 114.%.
10.When gilts or sows enter oestrus in their reproductive cycles (about 21 days long) they are ready to be bred.
