There are many factors that affect the embryo utilization rate of female rabbits, which are closely related to variety, growth and development, nutritional status, mating age, mating time, season, mating mode, etc. The common methods to improve the pregnancy rate were introduced
1) Select the male and female rabbits: according to the selection requirements of male and female rabbits, select the breed with good reproductive performance and select the best one.
2） Mating at the right time: the first mating at the right time and the mating at the best estrus.
3) Production of multi breeding commercial rabbit: that is, two male rabbits of the same variety or different varieties mate with the same female rabbit successively. After the first mating, the second will take place in 5-10 minutes. In this way, the conception rate can be improved, and the adaptability to breeding rabbits is strong, the survival rate is high, and the growth rate is fast.
4) Pure breeding repeated mating: after the first mating, another mating with the same male rabbit every 5-8 minutes. In this way, the female rabbit's oviduct has strong motile sperm for a long time, and the egg with increased ovarian education can become a conception device.
5) After mating, intramuscular injection of 50 units of hCG or intravenous injection of 25 units of hCG can promote ovulation and multiple pregnancy. The key to ensure the conception of female rabbits and improve the conception rate is to ensure the normal nutrition level of male and female rabbits, to ensure the existence of high quality and active semen, and to correctly master the oestrus and copulation period. Repeated breeding and parent breeding are not advocated in the rabbit farm because it is not conducive to the breeding of male rabbits. Too many babies, harm to the mother, not enough milk to eat, can also cause high mortality.
The above is a detailed introduction to how to improve the conception rate of Angora rabbits. For more information, please click http://www.myxinhua.com