Alexander A Ovchinnikov, Lyudmila Yu Ovchinnikova, Yulia V Matrosova, Evgenia N Erenko

Animal Husbandry and Fodder Production. 2022. Vol. 105, no 2. Р. 84-94.

doi:10.33284/2658-3135-105-2-84

Тhe effect of the phytomineral complex and enzyme on metabolism of calves of pre-weaning period

 Alexander A Ovchinnikov1, Lyudmila Yu Ovchinnikova2, Yulia V Matrosova3, Evgenia N Erenko4

1,2,3,4South Ural State Agrarian University, Troitsk, Russia

1ovchin@bk.ru, https://orcid.org/0000-0002-7530-3159

2L.U.Ovchinnikova@bk.ru, https://orcid.org/0000-0003-1576-1729

3vasilek_23@mail.ru, https://orcid.org/0000-0003-0980-3195

4slava_erenko@mail.ru, https://orcid.org/0000-0003-0885-3668

Abstract. Alfalfa hay subjected to hydrobarothermal treatment was the basis for obtaining the phytoextract. At the same time, the transition of a number of biogenic elements into the extract was observed. Enriching it with salts of microelements (copper, zinc, manganese, cobalt and iodine at the rate of 10 to 50 mg/c of live weight) of calves of the pre-weaning period of rearing and watering at a dose of 100[1] ml/animal per day, separately and together with the feed enzyme Glucolux F in the amount of 0.50 kg/t of feed showed, that the best results of amylolytic and cellulolytic activity of ruminal microflora were observed when they were used together: total nitrogen in the rumen chyme increased by 16.9%, protein nitrogen - by 26.3%, ammonia decreased - by 26.3%, the level of VFA increased by 33.1%.In the blood of animals of this group at 4 and 6 months of age, the content of total protein was higher than that of the control group by 8.2-9.0%, the amount of urea decreased by 17.5-39.5%, the level of copper and zinc increased by 18.5-31.5%, cobalt and manganese - 1.6-2.5 times. The studied parameters of metabolism when one phytomineral complex and enzyme were included in the diet of calves were less pronounced both in rumen and in the blood of animals.

Keywords: calves, feeding, composition of raw materials, phytomineral complex, ruminal metabolism, protein metabolism, blood microelements

For citation: Ovchinnikov AA, Ovchinnikova LYu, Matrosova YuV, Erenko EN. Тhe effect of the phytomineral complex and enzyme on metabolism of calves of pre-weaning period. Animal Husbandry and Fodder Production. 2022;105(2):84-94. (In Russ.). https://doi.org/10.33284/2658-3135-105-2-84

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Information about authors:

Alexander A Ovchinnikov, Dr. Sci. (Agriculture), Professor of the Department of Feeding, Animal Hygiene, Technology of Production and Processing of Agricultural Products, South Ural State Agrarian University, 13 Gagarin St., Troitsk, Chelyabinsk Region, 457100, tel.: 8-9518034417.

Lyudmila Yu Ovchinnikova, Dr. Sci. (Agriculture), Head of the Department of Biology, Ecology, Genetics and Animal Breeding, South Ural State Agrarian University, 13 Gagarin St., Troitsk, Chelyabinsk Region, 457100, tel.: 8-9000778735.

Yulia V Matrosova, Dr. Sci. (Agriculture), Associate Professor, Head of the Department of Animal Husbandry, South Ural State Agrarian University, 13 Gagarin St., Troitsk, Chelyabinsk Region, 457100, tel.: 8-9080609742.

Evgenia N Erenko, post-graduate student, South Ural State Agrarian University, 13 Gagarin St., Troitsk, Chelyabinsk Region, 457100, tel.: 7-7477646244.

The article was submitted 25.03.2022; approved after reviewing 14.04.2022; accepted for publication 14.06.2022.

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