长毛兔人工授精方法

　　导致仔兔死容亡的直接原因有哪些
　　（一）冬季保温防寒措施不完善 冬季如果忽视防寒保暖，兔舍温度过低，就容易导致仔兔冻伤。特别是出生７天以内的仔兔，几乎没有体温调节能力，如母兔产仔时无人值班，仔兔被产在窝外，母兔又不拉毛覆盖，２小时左右就会把仔兔冻死。
　　(a) cold winter heat preservation measures are not perfect in winter if you ignore the cold warm, Tushe temperature is too low, it is easy to cause the baby rabbit frostbite. Especially within 7 days of birth of pups, almost no ability to regulate the temperature, such as mother rabbit litter unattended, pups were laid on the nest, the mother rabbit not picking cover, 2 hours will be frozen to death in newborn rabbits.
　　（二）应激导致母兔异食癖 临产前母兔受到惊吓，产仔后窝内有异常气味，有猫、鼠等进入兔舍或母兔母性不强，极易导致母兔产生异常反应，将自己所产仔兔吃掉。有的血配母兔由于分娩后立即配种，怀孕后会出现拒绝哺乳，甚至咬死仔兔的现象。
　　(two) stress caused the female rabbit pica in female rabbits after farrowing frightened, fossa abnormal smell, a cat and mouse into the rabbit house or maternal mother rabbit is not strong, extremely easy to cause the female rabbit to produce abnormal reaction, will their pups eat. Some of the blood with the female rabbit breeding because immediately after delivery, after pregnancy will refuse the lactation, even killed pups phenomenon.
　　（三）猫鼠危害 仔兔出生７天内，是防止猫鼠进入兔舍危害仔兔的关键时期。如管理不善，极易导致猫鼠咬死、咬伤仔兔。
　　(three) the harm of the cat and mouse in 7 days of birth, is the key period to prevent the cat from entering the rabbit. Such as poor management, can easily lead to the cat and mouse pups, bite bite.
　　（四）饿死、压死和病死 母兔泌乳性不强，泌乳量太少，仔兔吃不饱，或因仔兔太多，强弱悬殊大，弱仔长期吃不到奶或吃不饱奶而饿死。压死是因为有的母兔母性不强，习惯睡在仔兔上面；也有的群养兔子不分群，几只兔子聚在一起，积压时间过长导致仔兔死亡。病死多为仔兔吃了患乳房炎的奶汁后发生急性肠炎、下痢，排出腥臭的白色或黄色粪便，不久就会导致仔兔死亡；如果仔兔患有球虫病、兔瘟病等，治疗不及时也容易引起仔兔死亡。
　　(four), and the mortality of female rabbits were starved of lactation is not strong, lactation too little pups eat too much, or because of pups, the disparity in the strength of large, long-term weak young do not eat milk or eat milk and starved to death. Crushed because some female rabbit motherhood is not strong, accustomed to sleeping in pups above; some group of rabbit not group, a few rabbits together, the backlog of long time lead to death rabbit. The mortality for acute enteritis, rabbit mastitis milk after eating diarrhea, from white or yellow faecal stench, will soon lead to death rabbit; if the pups with coccidiosis, without disease, not timely treatment can easily cause death rabbit.
　　（五）意外死亡 由于兔舍太高、笼门关闭不严，仔兔从笼里掉到地上摔死；或因垫草过于柔软、韧性大，仔兔缠绕其中而致死。
　　(five) due to the accidental death of rabbit house is too high, the door is not tightly closed, pups from the cage fell to the ground dead; or because the straw is too soft, toughness, and the death of newborn rabbit wound.
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