新疆荷斯坦公牛阶段育肥及其效果评价

本文主要根据动物管理学、家畜营养学以及家畜营养调控等技术原理,将奶公牛分为四个阶段进行饲养,即犊牛期、育成期、育肥期和营养调控期。结果表明:奶公犊19月龄平均体重达到538.50 kg,育肥期150 d平均日增重达到1.27 kg,至少较本地传统饲养奶公犊提前出栏4个月左右,多获利润500元左右。本项目充分利用北疆地区奶公牛的过剩和本地的饲草饲料资源,进行的奶公牛阶段性育肥经济效益显著,其效果评价良好。

Stage Fattening of Holstein Bull and the Economic Profits Analysis in Xinjiang

On technology and principle of animal management,domestic animal nutrition and domestic animal nutrition regulation,Holstein bull were fed for 4 stages,namely calf stage,growing stage,fattening stage and nutrition regulation stage.Average body weight of Holstein bull at 19 months age achieved 538.50 kg,average daily gain of 150-day fattening was 1.27 kg.This 4-stage feeding style could shorten the feeding period for at least 4 months and bring more profit for 500 Yuan(RMB).This project fully utilized the extra Holstein bull and local forage resources to produce finishing Holstein bull by stage finishing.This project has gained significantly economic profits.