The effect of protein supplement from skin wastes on hematological, biochemical metabolic indices and dairy productivity of highly yielding cows

IF 1.1 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Mljekarstvo Pub Date : 2021-06-29 DOI:10.15567/mljekarstvo.2021.0303

A. Bogdanova, A. Alekseev, A. Payuta, E. Flerova, A. V. Konovalov, V. Kosolapov

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Abstract

This study was aimed to establish the effect of a fodder protein supplement from minced subcutaneous epithelium of farm animals on hematological, biochemical parameters of metabolism and milk productivity of high-yielding cows during the early lactation. For this, three groups of cows, six animals each, were formed according to the principle of analogous pairs. The control group received the main diet, the second and third experimental groups were daily fed with 300 g and 500 g of protein supplement for 60 days in addition to the main diet, respectively. The effect of prolongation of the supplement was studied over the next 30 days. Hematological and biochemical blood parameters, qualitative and quantitative composition of milk were studied in all animals. The animals of the experimental groups showed an increase in metabolic and redox processes during the experiment. An increase in the metabolism of nutrients in the liver has been found. Due to the sufficient intake of protein in the organism of animals, there was an increase in milk productivity and milk quality indicators.

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从皮肤废弃物中补充蛋白质对高产奶牛血液、生化代谢指标和奶牛生产能力的影响

本试验旨在研究添加农场动物皮下上皮碎料蛋白对泌乳早期高产奶牛血液学、代谢生化指标及产奶量的影响。为此，按照类比对的原则，把牛分成三组，每组六只。对照组饲喂主饲粮，第二、第三试验组在主饲粮基础上分别添加300 g、500 g蛋白质，试验期为60 d。在接下来的30天里，研究了延长补充剂的效果。研究了所有动物血液的血液学和生化指标以及乳汁的定性和定量组成。在实验过程中，实验组动物的代谢和氧化还原过程均有所增加。人们发现肝脏中营养物质的代谢增加。由于动物机体摄入了充足的蛋白质，泌乳量和乳品质指标均有提高。

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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来源期刊

Mljekarstvo Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.90

自引率

41.70%

发文量

审稿时长

12 weeks

期刊介绍： Mljekarstvo is an open access, peer-reviewed international quarterly scientific journal. The first issue was published in 1951, by the Croatian Dairy Operators'' Association (today: Croatian Dairy Union, publisher). In a paper at a Union conference held 28 October 1951 in Zagreb it was said: "Our desire is that this magazine does not meet the fate of its predecessors, but that it continues to reflect the creative efforts and to provide guidelines for the producers as well as all other operators employed in the dairy industry." It is our pleasure today to say that wishes of the enthusiasts who attended the conference have come true, and the magazine Mljekarstvo during the last six decades was a reflection of the creative efforts of numerous dairy scientists and experts, and through its texts it served as a guideline in improving production and processing of milk and dairy products. Mljekarstvo has been following all the achievements of the dairy profession in Croatia, and it also gives the short surveys of world achievements. The result of the research of local and foreign scientists and experts always find their place in the magazine Mljekarstvo. It has been edited by our outstanding dairy experts employed at colleges, research institutions and dairy companies.