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2019, № 77

UDC: 636.234.1.082:637.05
GSNTI: 68.39.29

Warriors, the relationship of intensive cultivation of the golstean heats with the physical and chemical properties of cow milk

The aim of our study was to examine the effectiveness of feeding different doses of dairy feed with the addition of the composition of their diet at 3 g probiotic preparation of cellobacterin repair the Chicks of the experimental groups. Every day, starting from the age of 10 days, each chick was fed this drug. For experience, from heifers line Reflection sovering were selected 64 women who were counterparts. From among these animals 4 groups were formed; I-control, II, III and IV - experimental groups, 16 heifers in each. We controlled the impact of the created feeding and maintenance conditions on their growth and development. Studies have found that the repair heifers of the experimental groups surpassed the peers of the control in growth and development, they had reached economic maturity earlier. They were artificially inseminated when the necessary development parameters were reached at the age of 14 months. Fruitfully inseminated heifers were transferred to the heifers. After calving for three lactations studied milk productivity of cows and physico-chemical properties of milk. According to the level of milk productivity of cows of the experimental groups exceeded the control peers by 450-1360 kg, the best indicators for the physical and chemical properties of milk were in cows grown from heifers, which were fed up to 6 months of age for the first 50 days 450 kg of whole milk. In the next period from 51 to 110 days they received - 600 kg of skim milk. From 10 to 110 days of age they were fed probiotic preparation cellobacterin, in an amount of 3 g per day.
Keywords: Repair heifers, cultivation, milk production, milk, acidity, density, protein, fat, amino acid composition
DOI: 10.21515/1999-1703-77-170-178

References:

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Authors:

1. Karatunov Vyacheslav Anatolievich, Phd in Agriculture, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
2. Tuzov Ivan Nikiforovich, DSc in Agriculture, Professor, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
3. Martynenko Yana Nikolaevna, student, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
4. Ratnikov Alexander Romanovich, student, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
5. Tuzov Aleksandr Ivanovich, Phd in Biology, docent, Krasnodar University MIA RF.