Feed additive "Konyr-su" to increase the productivity of dairy calves

Veterinaria i kormlenie Pub Date : 2023-04-01 DOI:10.30917/att-vk-1814-9588-2023-2-10

Yelena Kukhar, К.H. Shaikenova, M.G. Slamiya, N.A. Fogelzan

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Abstract

The article describes the results of research on the development and study of the effect of feed additives on the productivity of cattle, specifically dairy calves. Currently, the issue of increasing the dairy productivity of cows is acute in the Republic of Kazakhstan. The authors have developed a feed additive based on baking yeast and humic substances to increase the dairy productivity of livestock. The composition of the feed additive includes domestic potassium humate produced by NPO Kaztechnougol LLP, obtained from brown coal from the Ekibastuz deposit with content of humic substances up to 56% by dry matter. The components of the nutrient substrate, the yeast brand, the concentration of potassium humate optimizing the accumulation of yeast biomass during cultivation, fermentation parameters, and the cultivation period were selected for the manufacture of the lump additive. For the first time, the effectiveness of the feed additive was tested when used on calves of the dairy period, and its effect on metabolic processes and increasing weight gain was studied. Laboratory tests of the effectiveness of the feed additive on white mongrel mice showed that the live weight of mice in the experimental groups has an average of 27.2 ± 0.4, which is significantly higher than in the control group by 2.8 g. In the production experiment for three months in Kamyshenka LLP on calves of the Holstein-Frisian breed at the age of 2 months, the effectiveness was determined as feed additives for calves. The average daily increase in the experimental group was on average at the level of 895, 856, and 780 g, which is higher than the increase in the control group by 75 g, 126 g, and 130 g, respectively. The live weight of calves of the experimental group increased by 6 kg from the first month of use, by the end of the experiment the difference was 13.1 kg or 7.9%. The revealed trend of increasing weight gain indicates the normalization of metabolism during the drinking of the feed additive "Konyr-su" and in the subsequent period.

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饲料添加剂“Konyr-su”提高奶牛犊牛生产能力

本文介绍了饲料添加剂对牛，特别是犊牛生产能力影响的研究进展和研究结果。目前，在哈萨克斯坦共和国，提高奶牛的产奶量是一个紧迫的问题。作者开发了一种以发酵酵母和腐殖质物质为基础的饲料添加剂，以提高牲畜的乳制品产量。饲料添加剂的组成包括NPO Kaztechnougol LLP生产的国产腐植酸钾，从Ekibastuz矿床的褐煤中获得，腐植酸物质的干物质含量高达56%。选择了营养基质成分、酵母品牌、腐植酸钾浓度、发酵参数和培养周期等因素对块状添加剂的生产进行了优化。本试验首次在奶牛期犊牛身上试验了该饲料添加剂的有效性，并研究了其对犊牛代谢过程和增重的影响。该饲料添加剂对白杂种小鼠有效性的实验室试验表明，试验组小鼠的平均活重为27.2±0.4，比对照组显著提高2.8 g。在2月龄荷尔斯坦-弗里斯兰品种犊牛上进行了为期3个月的生产试验，确定了Kamyshenka LLP作为犊牛饲料添加剂的有效性。试验组日平均增加量分别为895、856、780 g，高于对照组75 g、126 g、130 g。试验组犊牛的活重较使用第一个月增加了6 kg，试验结束时差异为13.1 kg或7.9%。所显示的增重趋势表明，在饲料添加剂“科尼苏”饲喂期间及后续阶段，代谢恢复正常。

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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Veterinaria i kormlenie

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