长毛兔是恒温动物，为了维持正常的体温，必须随时调节它与环境的散热和自身产热。当外界温度过高时，长毛兔除了通过改变其新陈代谢而减少产热外，主要以呼吸散热的方式来维持其体热平衡，但这有一定限度。

Long haired rabbits are constant temperature animals. In order to maintain normal body temperature, it is necessary to adjust the heat and heat of its environment at any time. When the external temperature is too high, the long hair rabbit can reduce its heat production by changing its metabolism. It mainly maintains the body heat balance through the way of respiratory heat dissipation, but there is a certain limit.

相对而言，长毛兔能耐受低温和寒冷，即使在严寒条件下，成年兔也能在开放式兔舍内安全越冬，但其繁殖受到影响，饲料消耗增加。初生仔兔的体温调节能力很差，体温常随环境温度的变化而变化。

Relatively, long hair rabbits can tolerate low temperature and cold. Even under severe cold conditions, adult rabbits can survive safely in open rabbit house, but their reproduction is affected, and feed consumption is increased. The body temperature regulation ability of the newborn baby rabbit is very poor, and the temperature varies with the change of the temperature of the environment.

实践证明，当环境温度达32℃以上时，可引起长毛兔食欲下降、消化不良、性欲降低和繁殖困难等。尤其是长毛兔，在高温季节即失去繁殖能力(公兔无精子或无活精子)，出现所谓的夏季不育现象。若环境温度持续在35℃以上长毛兔易发生中暑而死亡。

It has been proved that when the environment temperature is above 32 degrees centigrade, it can cause loss of appetite, indigestion, lower sexual desire and difficulty in reproduction. In particular, the long haired rabbits, in the high temperature season, lose their reproductive capacity (the male rabbits have no sperm or no living sperm), and the so-called "sterile" phenomenon in the summer. If the temperature of the environment is above 35 centigrade, the long haired rabbit is liable to die of heat stroke.

仔兔到开眼时(10～12日龄)体温才保持恒定。因此，环境温度过高或过低均会对仔兔产生危害。一般来说，最适于长毛兔生长和繁殖的环境温度为15～20℃ ， 对初生仔兔则以30～32℃为宜。

At the opening of the eye (10~12 days old), the temperature of the rabbit remained constant. Therefore, too high or too low temperature can be harmful to the rabbit. In general, the environment temperature suitable for growth and reproduction of long haired rabbits is 15~20 degrees C, and it is suitable for the newborn baby rabbits at 30~32.

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