Effect of Sprouted and Extruded Grain in Composition of Fodder Mixtures on Digestibility of Dairy Cows Diet Nutrients

N. Shvetsov, V. Kotarev, A. Kovrigin, M. Shvetsova
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引用次数: 3

Abstract

The experiment was carried out according to the following scheme. In the first group (control), all wheat, barley and corn grains were fed in flattened form, in the second, third and fourth groups 50% of the wheat, barley and corn grain mass (half the daily supply) was prepared in various ways. In the second group, they were sprouted, in the third, they were extruded, and in the fourth, they were comprehensively prepared by sprouting and then extruding. The differences in the specified nutrients between the first and second groups were unreliable and were at the level of 0.92.2 relative percent. The extrusion of wheat, barley, and corn grains and their inclusion into the fodder mixture of animals of the third group contributed to an even greater increase in the digestibility of substances in comparison with the first and second groups. The differences amounted to 1.9-3.4% and showed reliable differences in dry matter and nitrogen-free extract substances. In the fourth group of cows fed with a mixture of comprehensively processed grain components, the digestibility of all substances showed a noticeable increase; the difference with control was reliable and amounted to 2.7-5.4 relative percent. Keywords—methods of preparing fodder for feeding, sprouting, extrusion, digestibility of diet nutrients, dairy cows, productivity
饲料组合中发芽粒和膨化粒对奶牛日粮营养物质消化率的影响
实验按以下方案进行。第一组(对照组)将小麦、大麦和玉米籽粒全部压扁,第二组、第三组和第四组以各种方式制备小麦、大麦和玉米籽粒质量的50%(每日供应量的一半)。第二组采用发芽法,第三组采用挤压法,第四组采用先发芽后挤压法综合制备。第一组和第二组之间特定营养素的差异不可靠,在0.92.2%的相对水平上。与第一组和第二组相比,第三组动物挤压小麦、大麦和玉米颗粒并将其加入饲料混合物中,对物质的消化率有更大的提高。差异为1.9 ~ 3.4%,在干物质和无氮浸出物物质上存在可靠的差异。第四组饲喂综合加工谷物组分混合饲料,各物质的消化率均显著提高;与对照组的差异是可靠的,相对值为2.7- 5.4%。关键词:饲用饲料制备方法、发芽、挤压、日粮营养物质消化率、奶牛、生产率
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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