Lilia R Mikhailova, Anatoly Yu Lavrentyev

Animal Husbandry and Fodder Production. 2021. Vol. 104, no 4. Р. 124-135.

doi:10.33284/2658-3135-104-4-124

 Animal mix feed containing rye for rearing calves

 Lilia R Mikhailova1, Anatoly Yu Lavrentyev2

1,2Chuvash State Agrarian University, Cheboksary, Russia

1lmikhaylova01@mail.ru, https://orcid.org/0000-0002-5991-1621

2lavrentev65@list.ru, https://orcid.org/0000-0001-5793-8786

Abstract. The main component of animal feed is cereals. A special place among cereals as components of compound feeds is occupied by rye, which is a very common cereal crop in Chuvash Republic. Rye can be used for the production of compound feeds if it unsuitable for food purposes, but quite suitable for  feeding  farm animals. It is useful to expand the possibilities of using rye for rearing calves feeding by adding  rye  in  mixed  feed  concentrates. To carry out the experiment, 4 groups of calves were formed for growing and 4 recipes for mixed feed concentrates with different rates of rye input were developed: 1 recipe without rye content, 2 recipe with 20% rye, 3 recipe with 30% rye and 4 recipe with 40% rye as part of mixed feed by weight. The conducted studies have shown that mix feeds prepared according to the developed recipes allow balancing the diets of young cattle raised for meat in accordance with the detailed norms of feeding farm animals, with a relatively low specific weight of concentrated feed. The inclusion of 20 to 40% rye in the composition of mix feeds does not reduce the balance of the animals diet in the experiment. The gross and average daily increase in live weight in the experimental gobies of the first three groups did not differ significantly. Animals from group IV, which were fed compound feed with 40% rye, were inferior to control animals in terms of absolute live weight gain by 5.6 kg, per day – by 43 g or by 4.9%. For 1 kg of live weight gain, from 5.87 EFU in the control group and up to 6.03 EFU in the IV experimental group were spent.

Keywords: calves, rearing, feeding, rye, mix feed, diet, growth, feed consumption, nutrients, diet structure

For citation: Mikhailova LR, Lavrentyev AYu. Animal mix feed containing rye for rearing calves. Animal Husbandry and Fodder Production. 2021;104(4):124-135. (In Russ.). https://doi.org/10.33284/2658-3135-104-4-108

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Information about the authors:

Lilia R Mikhailova, postgraduate student of the Department of General and Small Animal Science, Chuvash State Agrarian University, 29 Karl Marx St., 428003, Cheboksary, tel.: 89176706257.

Anatoly Yu Lavrentyev, Dr. Sci. (Agriculture), Professor, Head of the Department of General and Small Animal Science, Chuvash State Agrarian University, 29 Karl Marx St., 428003, Cheboksary; tel.: 89278646863.

The article was submitted 28.09.2021; approved after reviewing 19.10.2021; accepted for publication 13.12.2021.

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