Chemical composition and nutrition value of bulk and granular compound feed for young pigs

Feeds and Feed Production Pub Date : 1970-01-01 DOI:10.31073/10.31073/kormovyrobnytstvo202293-10

A. Hutsol, I. Dmytruk

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引用次数: 1

Abstract

Purpose. To investigate the chemical composition and nutritional value of loose and granular feed. To make samples of loose and granular feed, make chemical analysis of loose and granular feeds, compare their chemical composition and content of essential nutrients. Methods. In the process of research general scientific methods were used: deduction, scientific hypothesis and abstraction. Zootechnical analysis methods were used to determine the chemical composition of compound feeds. Results. Analysis of the chemical composition of loose and granular feed in absolutely dry matter shows a higher content of essential nutrients in granular feed, so the content of crude protein in granular feed is higher by 3.52%, crude fat – by 1.45%, crude fiber and nitrogen-free of extractives – by 1.48% and by 2.79% lower than in bulk feed. Nutritional value of one kilogram of granulated feed in absolutely dry matter is 0.04 energy feed units, or 0.37 MJ, higher than of bulk feed, and content of digestible protein by 18 g, or 14.5%, higher than in bulk compound feed. 136.8 g of crude protein and 107.8 g of digestible protein fall per one energy feed unit in loose feed, 161.8 g of crude protein and 119.3 g of digestible protein in granular feed, or 25g and 11.5 g more. Analysis of the carbohydrate-lignin composition of granular and loose feed in absolutely dry matter shows a decrease of 2.8% in the amount of easily soluble sugars, starch – by 1.41%, sugar – by 0.40%, hemicellulose – by 0.39%, lignin – by 0.82% in granular feed. Conclusions. The use of granulation allows to increase the energy and protein nutritional value of feed due to the concentration of essential nutrients in the dry matter of granulated feed.

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幼猪散粒配合饲料的化学成分及营养价值

目的。探讨松散饲料和颗粒饲料的化学成分和营养价值。制作松散饲料和颗粒饲料样品，对松散饲料和颗粒饲料进行化学分析，比较其化学成分和必需营养素的含量。方法。在研究过程中采用了一般的科学方法:演绎、科学假设和抽象。采用动物技术分析方法测定了配合饲料的化学成分。结果。对绝对干物质中松散饲料和颗粒饲料的化学成分分析表明，颗粒饲料中必需营养素含量较高，粗蛋白质含量比散装饲料高3.52%，粗脂肪含量高1.45%，粗纤维和无氮提取物含量分别比散装饲料高1.48%和2.79%。每公斤绝对干物质颗粒饲料的营养价值比散装饲料高0.04能量饲料单位，即0.37焦耳，可消化蛋白质含量比散装配合饲料高18克，即14.5%。松散饲料每能量饲料单位的粗蛋白质含量为136.8 g，可消化蛋白质含量为107.8 g，颗粒饲料每能量饲料单位的粗蛋白质含量为161.8 g，可消化蛋白质含量为119.3 g，分别为25g和11.5 g。对绝对干物质颗粒饲料和松散饲料的碳水化合物-木质素组成的分析表明，颗粒饲料中易溶糖的含量减少了2.8%，淀粉减少了1.41%，糖减少了0.40%，半纤维素减少了0.39%，木质素减少了0.82%。结论。造粒的使用可以提高饲料的能量和蛋白质营养价值，这是由于造粒饲料干物质中必需营养素的浓度。

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Feeds and Feed Production

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