Abstract
The purpose of the research is the improvement of the population of the Samara type of Black-Motley breed of cattle for signs of milk production by controlling entry into the herd geomarketing desirable complexes. The evaluation of erythrocyte antigens of animals in laboratories of immunogenetic control of authenticity of origin of the animals, OAO «Samara» for 9 genetic systems by using hemolytic tests obdarena the method of the Fortieth. Allelofond analysis was carried out taking into account the classification proposed by N. Popov and G. Eskin. The data of breeding zootechnical accounting were used to study the level of productivity. Statistical data processing is performed using a computer program Microsoft Excel. The level of milk productivity in the studied cows of Samara type in farms ranged from 5899 to 6886 kg, fat content from 3.78 to 4.07 %, protein from 3.08 to 3.22 %. Herds of Samara type are significant different in the yield of milk, butterfat and alcoholocaust. All farms showed significant superiority over Close corporation «Lunacharsky» (agriculture-originator) protein content in milk is 0.05-0.14%. In the stud of the population of Samara was identified markers associated with high milk yield: Close corporation «Lunacharsky» (6045-6220 kg): G2Y2E/1Q/, O2A/2J/1K/O/, «-»; the limited liability company «Plemzavod «Druzhba» (6633-7218 kg): O4Y2A/1I//, «-»,O4Y2A/2, G2Y2E/1Q/, I2, B1O3Y2E/3G/G//, O1G1, O4D/E/3F/2G/O/; SPK (kolkhoz) named Kuibyshev (6131-6881 kg): G2Y2E/1Q/, I2, B1O3Y2E/3G/G//, «-», O4Y2A/1I//, O1G1; PSK named Kirova (5876-6210 kg): B1O3Y2E/3G/G//, E/3F/2G/O/G//, G2Y2E/1Q/, «-»; joint stock company «Plemzavod «Kryazh» (5045-6217 kg): O4Y2A/1I//, E/3F/2G/O/G//, G2Y2E/1Q/, O1G1, «-».
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