長毛兔產生化胎的原因和病因
發布日期：2018-02-01
來源：http://www.uying888.com 發布人：admin
化胎是指胚胎在長毛兔的子宮里早期死亡，逐漸被子宮黏膜所吸收，沒有任何流產的表現，妊娠就終止了。產生化胎的原因很多，主要表現在以下幾個方面。
The embryo is the early death of the embryo in the uterus of the long haired rabbit, gradually absorbed by the uterus mucous membrane. There is no abortion, and the pregnancy terminates. There are many reasons for the birth of the fetus, which is mainly shown in the following aspects.
一、妊娠期飼發霉變質飼料
1. Gestation moldy metamorphic feed
有些飼養場給妊娠母兔飼喂發霉變質的飼料、草粉等，引起母兔腹瀉，導致體質下降而出現化胎。
Some farms feed the pregnant rabbits with mouldy and metamorphic feed, grass powder and so on, causing diarrhea in the mother rabbit, resulting in the deterioration of the Constitution and the emergence of the foetus.
二、母兔消瘦
Two, emaciation of the mother rabbit
母兔消瘦、體質弱，子宮黏膜薄，營養不足，胚胎著床后因營養供給不足而導致化胎。
The mother rabbit is thin, weak physique, thin uterine mucosa and insufficient nutrition, and the embryo is caused by insufficient nutrition after implantation.
三、環境溫度過高
Three. The temperature of the environment is too high
妊娠期飼養室溫度、濕度過高，特別是溫度超出了臨界溫度時，母兔抵抗力下降，出現化胎現象。
When the temperature and humidity of the feeding room were too high, especially when the temperature exceeded the critical temperature, the resistance of the mother rabbit decreased and the fetal phenomenon appeared.
四、受精卵生命力弱
Four. The vitality of the fertilized egg is weak
生命力較弱的精、卵結合后，胚胎發育到一定階段就終止發育。在生產中老年公兔配老年母兔、青年公兔配老年母兔、老年公兔配青年母兔、青年公兔配青年母兔等，都容易出現化胎性空懷。
After the combination of sperm and eggs with weak vitality, the development of the embryo is terminated at a certain stage. In the production of elderly male rabbits with older rabbits, young male rabbits with older rabbits, aged male rabbits with young female rabbits, young male rabbits with young female rabbits, are prone to fetal sex nonpregnancy.
五、飼料中長期缺乏與生育有關的維生素
Five, the long-term lack of fertility related vitamins in the feed
飼養時常年不喂青綠飼料，以干草粉補充纖維時又不重視補充維生素，特別是不重視補充維生素A、維生素E、維生素B1等及微量元素，導致化胎。
They often do not feed green feeds at any time, and do not pay much attention to vitamin supplements when supplemented with hay powder. Especially, they do not attach importance to vitamin A, vitamin E, vitamin B1 and trace elements.
六、生殖道器質性病變
Six, organic pathological changes of reproductive tract
母兔妊娠期子宮、陰道發生炎性病變，危及子宮黏膜，出現化胎現象。
The uterus and vagina of the mother rabbit during pregnancy have an inflammatory disease, which endanger the uterine mucosa and appear the phenomenon of the fetus.
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