Formation of productive and technological qualities of Holshtinized cattle at different levels of feeding

Authors

  • Anatoliу Anatolуevich Velmatov Mordovia Research Institute of Agriculture
  • Anatoly Pavlovich Velmatov Mordovia Research Institute of Agriculture
  • Alexander Mikhailovich Guryanov Mordovia Research Institute of Agriculture
  • Tatiana Nikolaevna Tishkina National Research Mordovia State University named after N.P. Ogarev
  • Vladimir Viktorovich Mungin National Research Mordovia State University named after N.P. Ogarev
  • Sergey Evgenievich Zelentsov National Research Mordovia State University named after N.P. Ogarev

DOI:

https://doi.org/10.28983/asj.y2021i3pp53-57

Keywords:

breed, live weight, milk productivity, fat, protein, diet, average daily gain, level of feeding

Abstract

The article presents the results of growing Simmental Holstein heifers with a high heredity of 87.5% according to Holstein and the formation of their productive and technological qualities at different levels of feeding. The heifers of the control group received a food ration compiled according to detailed norms, and their counterparts from the experimental groups were 5, 10, 15, 20% higher. Heifers of the 1st experimental group in terms of live weight significantly exceed their peers from the control group: at 3 months of age by 18.3 kg, at 6 by 41.7 kg, at 9 by 55.0 kg, at 12 - tees for 69.3 kg, 15 for 80.3 kg and 18 for 74.5 kg. The advantage of the heifers of the second experimental group in the same age periods is 8.8; 24.4; 38.7; 48.9; 62.9; 56.2 kg. The heifers of the 3rd experimental group outnumbered their analogs by 5.7; 10.3; 22, 5; 27.6; 42.9; 39.2 kg, the 4th experimental group of heifers surpassed their analogues by 2.1; 4.3; 12.9; 10.4; 21.0; 21.7 kg. Animals of the first experimental group were inseminated at the age of 13.8 months, the second - 14.7 months, the third - 15.9 months, the fourth - 17.1 months, and heifers from the control group were inseminated at the age of 18.1 months. From the first heifers of the first experimental group, they drank 8909 kg of milk for the first lactation, 8549 kg for the 2nd group, 8314 kg for the 3rd, 8032 for the 4th, and 7150 kg for the control group, but the life-long milk yield was the smallest among the cows of the first group ... The more productive cows inseminated at the age of 13.8 months drop out earlier than everyone else. Therefore, for such animals it is necessary to create other conditions for feeding and keeping due to the greater intensity of their physiological functions and metabolism in general.

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Author Biographies

Anatoliу Anatolуevich Velmatov, Mordovia Research Institute of Agriculture

Candidate of Agricultural Sciences

Anatoly Pavlovich Velmatov, Mordovia Research Institute of Agriculture

Doctor of Agricultural Sciences

Alexander Mikhailovich Guryanov, Mordovia Research Institute of Agriculture

Doctor of Agricultural Sciences

Tatiana Nikolaevna Tishkina, National Research Mordovia State University named after N.P. Ogarev

Candidate of Agricultural Sciences

Vladimir Viktorovich Mungin, National Research Mordovia State University named after N.P. Ogarev

Doctor of Agricultural Sciences

Sergey Evgenievich Zelentsov, National Research Mordovia State University named after N.P. Ogarev

Post-graduate Student

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Published

2021-03-29

Issue

No. 3 (2021)

Section

Zootechnics and veterinary

License

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