首页> 外国专利> METHOD OF SELECTION OF BREEDING ROOSTERS OF BREEDING HERD

METHOD OF SELECTION OF BREEDING ROOSTERS OF BREEDING HERD

机译:繁殖群的繁殖地选择方法

摘要

FIELD: agriculture.;SUBSTANCE: invention relates to agriculture, in particular, to breeding of poultry. The method provides evaluation and selection of the poultry by live weight at 35 days of age, at that an individual length of a day old chick is additionally determined and in accordance with the dimensions of length the whole herd is divided into three groups "long", "medium" and "short", the percentage of rejection roosters is set with small length of 5%, 8, 10, 15, 17%. Then an individual live weight of roosters is determined at 35 days of age and the live weight difference in absolute value expressed as a percentage of the scheme: "L-S", "L-M" and "M-S". Then 8% and less roosters are rejected, which have difference in live weight of 9% and more.;EFFECT: method enables to increase the live weight of roosters at the age of basic valuation.;1 tbl, 1 ex
机译:技术领域本发明涉及农业,尤其涉及家禽的育种。该方法通过35日龄时的活重来评估和选择家禽,另外还确定了一天大的小鸡的个体长度,并根据长度的大小将整个牛群分为三组“长” ,“中”和“矮”,则将拒绝公鸡的百分比设置为5%,8、10、15、17%的小长度。然后确定35天大的公鸡的个体活重,并将活重的绝对值差异表示为方案的百分比:“ L-S”,“ L-M”和“ M-S”。然后剔除8%及以下的公鸡,其活重差异为9%或更多。;效果:该方法可在基本评估时提高公鸡的活重。1tbl,1 ex

著录项

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号