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Reserves for an Increase in the Reproductive Ability, Milk Productivity and Improvement in the Technological Parameters of Milk of Cows


Reserves for an Increase in the Reproductive Ability, Milk Productivity and Improvement in the Technological Parameters of Milk of Cows



Dostizheniya nauki i tekhniki APK 2013(10): 39-41



ISSN/ISBN: 0235-2451

Parenteral administration of the cows twice a month to 15 ml per head antioxidant drug «Karsel» (containing beta-carotene and selenium) increases, even in the most dressed up periods of the production cycle (3-4 months of lactation and 8-9 month of pregnancy), the intensity of the flow redox processes and the level of protein metabolism (increased within physiological limits, the concentration of blood hemoglobin, red blood cells, protein, vitamin A and carotene), which undoubtedly leads to increased productivity of the forage diet (9.2 kg of milk per 100 feed units consumed ) and increases the content of the milk SNF - 0.19%, fat-0.19%, protein 0.16%, vitamin A, 0.16 mg%. milk of these cows has a higher density and lower acidity. Improves the properties of the manifestation of reproductive cows: increased their fertility from the 1-2nd inseminations at 10-11%, reduced insemination index 1.87 to 1.69, length of service period of 22.3 days (from 115.9 to 93.6 P <0.001). Milk cows in the experimental group relations fat: protein, protein: SNF, fat: SNF and has better processing properties for the development of its protein products. A better degree of extraction of milk fat (99.73% vs. 98.77% in controls) makes it more technological and production of cream and butter. This decreases the flow of milk to produce 1 kg of cream at 10.65% and oil by 9.3%. Increased output of skim milk cheese yield at 4.51% with a lower 4.2% of its consumption per 1 kg of product. The annual economic effect on 1 ruble costs associated with the acquisition and use of the drug «Karsel» amounted to 16.45 rubles.

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