皮南牛新品种培育现状、存在问题与对策

南阳牛是我国五大良种黄牛品种之一,近些年国家越来越重视通过杂交改良的方法产生新品种培育工作,1986年引进了皮埃蒙特牛,与南阳牛进行杂交改良,通过30多年来的持续选育,横交固定形成了皮南牛新类群,它保持了南阳牛适应性好、耐粗饲的优点,同时继承了皮埃蒙特牛生长发育快、瘦肉率高的特点,但在皮南牛新品种培育过程中,仍存在核心群数量不足、整齐度较低等问题,本文探讨了皮南牛新品种培育工作的现状、存在问题及对策。

Current Situation, Existing Problems and Countermeasures of New Breeds Breeding of Pinan Cattle

Nanyang cattle is one of the five major cattle breeds in China, in recent years, the country has paid more and more attention to the breeding of new breeds, in 1986, Pearmont cattle was introduced and crossed with Nanyang cattle, after more than 30 years of continuous selection and breeding, cross-crossing and fixation formed a new group of Pinan cattle, which maintains the advantages of Nanyang cattle''s good adaptability and resistance to rough feeding, while inheriting the characteristics of fast growth and high lean meat rate of Pearmont cattle, but there are still some problems in the process of breeding new breeds of Pinan cattle, such as insufficient number of core groups and low uniformity. This paper discussed the current situation, existing problems and countermeasures of developing new breeds of Pinan cattle.