Vyacheslav M Gabidulin, Svetlana A Alimova, Khamit Kh Tagirov, Yulia Y Bragina, Farid Kh Sirazetdinov

Productivity of lacting cows after feeding with haylage having Laxil conservant

DOI: 10.33284/2658-3135-103-2-125

UDC 636.085.5

Productivity of lacting cows after feeding with haylage having Laxil conservant

Vyacheslav M Gabidulin1, Svetlana A Alimova1, Khamit Kh Tagirov1,2, Yulia Y Bragina2,

Farid Kh Sirazetdinov1

1 Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia)

2Bashkir State Agrarian University (Ufa, Republic of Bashkortostan)

Summary. The results of scientific and economic experiment on feeding cows of Black Spotted breed of alfalfa haylage harvested using the bio-preservative Laxil are presented. The use of a bio preservative at a concentration of 1.43% advanced over the analogues of haylage without a preservative in terms of dry matter content by 1.68-5.06%, energy feed units by 2.18-6.42%, exchange energy by 2.35 -5.18%, crude protein – by 3.76-9.22%, digestible protein – by 3.21-6.78%. So, cows from experimental groups exceeded animals of the same age from the control group in terms of milk yield during the experimental period by 4.28-13.21%. The highest milk production was demonstrated by cows of group III receiving haylage, preserved with Laxil biological product with a concentration of 1.4% in working solution, at a dose of 4 l per 1 ton of green mass.

Key words: cows, haylage, preservative, Laxil, milk productivity, butterfat percentage, milk protein percentage.

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Gabidulin Vyacheslav Mikhaylovich, Dr. Sci. (Agr.), Leading Researcher, Beef Cattle Breeding Department, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., tel.: 8(3532)30-81-74, е-mail: Gabidulin.V.M@yandex.ru

Alimova Svetlana Anatolevna, Cand. Sci. (Agr.), Junior Research, Beef Cattle Breeding Department, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., tel.: 8(3532)30-81-74, е-mail: vniims.or@mail.ru

Tagirov Khamit Kharisovich, Dr. Sci. (Agr.), Professor, Chief Researcher, Department for Beef Cattle Technology and Beef Production, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., e-mail: tagirov-57@mail.ru; Head of the Department of Technology of Meat, Dairy Products and Chemistry, Bashkir State Agrarian University, 450001, Ufa, Republic of Bashkortostan, St. 50 years of October, 34, tel.: (347)248-28-70

Bragina Yulia Yuryevna, Graduate student, Bashkir State Agrarian University, 450001, Ufa, Republic of Bashkortostan, St. 50 years of October, 34,

Sirazetdinov Farid Khamitovich, Dr. Sci. (Agr.), Professor, Senior Researcher, Department for Beef Cattle Technology and Beef Production Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., tel.: 8(3532)30-81-78

Received: 11 June 2020; Accepted: 15 June 2020; Published: 308 July 2020

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