首页> 中文期刊> 《家畜生态学报》 >哺乳期陕北白绒山羊羔羊体重生长发育规律研究

哺乳期陕北白绒山羊羔羊体重生长发育规律研究

         

摘要

为揭示陕北白绒山羊哺乳期羔羊体重生长发育规律,为羔羊培育方案制定提供基础研究资料,以24只1日龄羔羊为研究对象,在每天准确测量其体重的基础上,分别绘制出哺乳期羔羊的累积生长量、绝对生长速度和相对生长速度曲线.结果表明:(1)1~75日龄羔羊体重随日龄增加呈近似于直线的曲线变化,且羔羊累积生长量与母羊累积产奶量呈极强正相关;(2)羔羊出生后1~10日龄日增重随日龄增加而快速增加,11日龄后日增重随日龄增加开始逐渐下降,其中11~20日龄期间羔羊日增重下降速度较快,21~75日龄期间羔羊日增重下降速度趋于平缓.%The aim of this study was to reveal growth rules of the Shaanbei white cashmere goat lamb in lactation period, and to provide the basic research data for making the scheme for breeding Iambs. Twenty-four 1 day lambs were taken as the research objects, and based on the body weight measured accurately every day, the curves of cumulative growth, absolute growth speed and relative growth speed were drawn. Through the analysis of the three curves,the results showed that(l) the weight of lambs rose with the increased age in an approximately linear curve in 1~75 days, and the acumulative growth of lambs was highly related with acumulative milk yield of ewes; (2) the daily gain of lambs rose fast with the increase of age in l~10 days and decreased gradually after 11-day of age, of which, the rate of decay was pretty high in 11~20 days and tended to flatten in 21~75 days.

著录项

  • 来源
    《家畜生态学报》 |2012年第2期|45-49|共5页
  • 作者单位

    西北农林科技大学动物科技学院,陕西杨凌712100;

    西北农林科技大学动物科技学院,陕西杨凌712100;

    西北农林科技大学动物科技学院,陕西杨凌712100;

    西北农林科技大学动物科技学院,陕西杨凌712100;

    西北农林科技大学动物科技学院,陕西杨凌712100;

    西北农林科技大学动物科技学院,陕西杨凌712100;

    榆林学院,陕西榆林719000;

    西北农林科技大学动物科技学院,陕西杨凌712100;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 S811.6;
  • 关键词

    陕北白绒山羊; 羔羊; 生长发育;

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