How to increase the hair of Angora rabbit?

　　一、提供合理的基础日粮

　　1、 Provide reasonable basic diet

　　基础日粮是维系长毛兔生长及生理活动所必需的日粮搭配。产毛兔一般要求能量10.37兆焦/公斤，粗蛋白16%，钙0.4%，磷0.21%，粗纤维11.27%，赖氨酸0.62%，蛋氨酸0.58%。饲料配方如下：花生秧粉39.8%，豆饼16.0%，玉米面26.5%，小麦麸12%，进口鱼粉3%，骨粉2.0%，蛋氨酸0.2%，食盐0.5%。

　　The basal diet is necessary for the growth and physiological activities of Angora rabbits. In general, wool producing rabbits require 10.37 MJ / kg energy, 16% crude protein, 0.4% calcium, 0.21% phosphorus, 11.27% crude fiber, 0.62% lysine and 0.58% methionine. The feed formula is as follows: peanut seedling powder 39.8%, soybean cake 16.0%, corn flour 26.5%, wheat bran 12%, imported fish meal 3%, bone meal 2.0%, methionine 0.2%, salt 0.5%.

　　二、科学的饲养管理

　　2、 Scientific feeding management

　　饲养管理对提高产毛量也很重要，要保持兔舍的清洁卫生，每日打扫一次兔笼。冬天注意保温，夏天注意防暑，温度以15～20℃为更好。

　　Feeding management is also very important to improve wool production, to keep the rabbit house clean, clean the rabbit cage once a day. Attention should be paid to heat preservation in winter and heatstroke prevention in summer. The best temperature is 15-20 ℃.
          

　　三、巧添氨基酸和个别微量元素

　　3、 Skillfully adding amino acids and some trace elements

　　兔毛中含硫氨基酸15%，而一般配合日粮中含硫氨基酸不能满足高产毛的需要，因此在日粮中加入0.7%的蛋氨酸可提高产毛量20%。全价配合饲料中个别微量元素仍不能满足兔高产毛的需求，所以在日粮中加入适量的铜、铁、锌可促进角质化蛋白的生成，提高产毛量。据研究，在每公斤日粮中添加铜30毫克、铁20毫克、锌10毫克，可提高产毛量27%，另外添加硫酸钠0.2%，刺激胃肠粘膜，可起到一定的健胃作用并能补充饲料中的硫元素的含量。

　　The content of sulfur-containing amino acids in rabbit hair is 15%, but the sulfur-containing amino acids in the general diet can not meet the needs of high-yield wool. Therefore, adding 0.7% methionine to the diet can increase the wool yield by 20%. The results showed that some trace elements could not meet the needs of high-yield wool of rabbits, so adding appropriate amount of copper, iron and zinc into the diet could promote the production of keratinized protein and increase the wool yield. According to the research, adding 30 mg copper, 20 mg iron and 10 mg zinc per kg diet can increase the gross yield by 27%, and add 0.2% sodium sulfate to stimulate the gastrointestinal mucosa, which can play a certain role in invigorating the stomach and supplement the sulfur content in the feed.

　　四、适时剪毛

　　4、 Timely shearing

　　90日剪毛虽毛价高，但70天后兔毛生长极为缓慢。夏天为防暑可提早到50天剪毛；冬天70天剪毛，这样就充分利用了剪毛后生长快的优点，并且每年可增加剪毛一次。据研究，70天剪毛比90天剪毛可提高产毛量70%左右。

　　Although the price of 90 day shearing is high, the growth of rabbit hair is very slow after 70 days. In summer, it can be cut 50 days earlier to prevent heatstroke, and 70 days in winter, which makes full use of the advantages of fast growth after shearing, and can increase shearing once a year. According to the research, 70 day shearing can increase the wool yield by about 70% compared with 90 day shearing.

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