Use of Chromium Oxide and Alkane Indicator Methods for Determination of Feed Intake for Grazing Sheep

S. Altaçli, Suphi Deniz
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引用次数: 1

Abstract

This experiment was carried out to determine feed intake and digestibility of grazing sheep on pasture. A total of 14 animals randomly divided into two groups with seven animals each group were used in the experiment. Digestibility of pastures was determined using two types of markers—alkane (C32-C36) and chromium oxide. Dry matter intake (DMI) was 717.22 g/d based on chromium oxide method in the experiment, while according to alkane method, DMI was 965.93 g/d and 1,051.07 g/d for C32 and C36, respectively. In conclusion, pastures met 74%-81% of crude protein (CP) and 57%-61% of energy requirements of lambs grazing on Yuzuncu Yil University pasture, who are mid-quality and 4-7 month-old with a 275 g/d expected daily gain. It was calculated that when 628-693 g/d of barley is given, both CP and metabolizable energy (ME) requirements of animals can be met.
用氧化铬和烷烃指示剂法测定放牧羊采食量
本试验旨在测定放牧羊在牧场上的采食量和消化率。试验选用14只动物,随机分为两组,每组7只。采用烷烃(C32-C36)和氧化铬两种标记物测定牧草的消化率。本试验采用氧化铬法测定C32和C36干物质采食量为717.22 g/d,采用烷烃法测定C32和C36干物质采食量为965.93 g/d和1051.07 g/d。综上所述,4 ~ 7月龄、预期日增重275 g/d的中等品质羔羊,在郁祖库大学牧场放牧,其粗蛋白质需要量可满足74% ~ 81%,能量需要量可满足57% ~ 61%。计算得出,饲喂628 ~ 693 g/d的大麦,可满足动物对CP和代谢能(ME)的需求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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