绵羊产毛力的提高是现在绵羊业领域内最重要的任务之一。同时对于羊毛的品质应予以特别注意。为了定向培育高产绵羊,对于羊毛形成过程的掌握应该建立在皮肤生长和发育规律的知识上。毛髮的生长和品质倚靠存在于皮肤内的相适应的结构及其在绵羊一生期间有充分价值的活动。直到现在,对于绵羊皮肤的评价往往是从绵羊毛皮的坚 The improvement of sheep’s gross production capacity is one of the most important tasks in the sheep industry. At the same time should pay special attention to the quality of wool. In order to orientally cultivate high-yielding sheep, knowledge of the process of wool formation should be based on the laws of skin growth and development. The growth and the quality of the hair depend on the corresponding structure present in the skin and its activity which is of sufficient value throughout the life of the sheep. Until now, the evaluation of sheep’s skin has often been from the firmness of sheep’s fur