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Chemical composition and calculated nutritive value of commonly available feedstuffs for ruminants in Burundi

机译:布隆迪反刍动物常用饲料的化学成分和计算的营养价值

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摘要

Burundese domestic ruminants usually consume overday grasses from limited natural grasslands and rest overnight in stabulation. Their productions may be partially improved by supplementary feeding during stabulation. However, nutritive value of available feedstuffs used in small farms are not well known, leading to present work. Samples of natural grass (feedstuff 1), cultivated grasses (2 to 5) or legumes (7, 8), grass silage (6) and agro-industrial residues (9 to 15) were chemically analyzed, usingclassical procedures for dry matter (DM), crude protein (CP), fat, ash, Ca, P, and Kurschner's method for crude fibre (CF) Net energy (UFL, UFV) and intestinal digestible protein (PDIN, PDIE) content were calculated according to Demarquilly et al (1978, in : Alimentation des ruminants, INRA ed, Versailles, 469-584) and Xande et al (1989, in : Paturages et alimentation des ruminants en zone tropicale humide, INRA ed, Paris, 21-30).
机译:布隆迪的家养反刍动物通常会在有限的天然草原上食用日常草皮,并在稳定状态下过夜。稳定期间补充饲料可以部分提高它们的产量。然而,用于小型农场的可用饲料的营养价值尚不为人所知,这导致了目前的工作。使用经典的干物质分析程序(DM)对天然草(饲料1),栽培草(2至5)或豆类(7、8),草青贮(6)和农业工业残留物(9至15)的样品进行化学分析),粗蛋白(CP),脂肪,灰分,钙,磷和库尔斯纳的粗纤维(CF)方法的净能量(UFL,UFV)和肠道可消化蛋白(PDIN,PDIE)含量根据Demarquilly等人计算得出( 1978年,在:反刍动物营养中,INRA ed,凡尔赛,469-584)和Xande等人(1989,在:Paturages等,反刍动物营养中的湿润,INRA ed,巴黎,21-30)。

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