[含不同处理秸秆日粮的消化率及利用率。I. 含不同处理秸秆日粮对绵羊的消化率]

[Digestibility and utilization of rations containing differently treated straw. I. Digestibility by sheep of rations containing differently treated straw].

作者信息

Schiemann R, Jentsch W, Wittenburg H, Hoffmann L

出版信息

Arch Tierernahr. 1978 Jun;28(6):387-96. doi: 10.1080/17450397809426819.

DOI:10.1080/17450397809426819

Abstract

During 63 digestibility periods of adult sheep, the digestibility of wheat and oat straw sujected to different kinds of treatment was compared. The straw was fed in the following forms: chopped, chopped and treated with 6% sodium hydroxide, pelleted without and with NPN-addition (ammonium bicarbonate and/or urea) during pelleting. Notwithstanding pressing temperatures over 90 degrees C and light moistening of the straw during pellet production, the addition of the two NPN-components did not allow to increase digestibility and energetic feed value. Two replications averaged an increase in energetic feed value by 42% due to NaOH-treatment. Energy digestibility went up by 39 to 55%, and energy concentration increased from 322 to 457 energetic feed equivalents (cattle) per kg DM. In addition, a number of rumen-physiological indices were obtained.

摘要

在成年绵羊的63个消化期内，对经过不同处理的小麦秸秆和燕麦秸秆的消化率进行了比较。秸秆以以下形式投喂：切碎、切碎并用6%氢氧化钠处理、制粒（制粒过程中不添加和添加非蛋白氮（碳酸氢铵和/或尿素））。尽管制粒温度超过90摄氏度且秸秆在制粒过程中轻度湿润，但添加这两种非蛋白氮成分并不能提高消化率和能量饲料价值。由于氢氧化钠处理，两次重复试验的能量饲料价值平均提高了42%。能量消化率提高了39%至55%，能量浓度从每千克干物质322个能量饲料当量（牛）增加到457个。此外，还获得了一些瘤胃生理指标。

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