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M. E. Tekeev A.A. Bijieva


In animals with an impact of 6000 - 8000 kg of milk per lactation the absorption of calcium, phosphorus, magnesium, sulphur, sodium, potassium, copper, zinc and manganese was significantly greater than in animals with an impact of 4000 - 5000 kg of milk with the same concentration of elements in the diet. The main sources of macro and microelements for animals are feed. There is a lack of some elements in cows 'diets. This leads to diseases, reduced productivity, fertility, deterioration of product quality and use of feed. Small amounts of cattle require trace elements such as copper, iodine, zinc, manganese, iron, cobalt and fluorine. These trace elements function in the body as catalysts for specific enzyme reactions. In order to demonstrate the maximum productivity of animals in the "Leninsky Way" PP of the Krasnodar Territory, the supply of trace elements with ration, the content of which in fodders can vary and depend on the type of soils, the use of mineral fertilizers, biogeochemical provinces, growth conditions and the stage of plant vegetation, is strictly controlled. The use of calcium for milk production at a daily weight of 20 - 35 kg was on average 29% of feed and 61% of learned. The total concentration of phosphorus in the body of dairy cows was 4 - 5 kg, of which 3.5 - 4.0 kg, i.e. about 82%, was allocated to the skeleton. The intake of magnesium from various feeds ranged from 15 to 45%, averaging 25%. When the animals were given table salt at 5.0 - 5.5 g per 100 kg of live weight and 4-5 g per 1 kg of milk, the need for sodium and chlorine was fully covered. All this helps increase the dairy productivity of cows.

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