UDC 636.22/.28.087.7
Abilov B.T., Bobryshova G.T., Khabibulin V.V., Bolotov N.A., Sinelshchikova I.A., Pashkova L.A., Zarytovsky A.I.
Summary. Studies conclude that the feed additive Acibif based on probiotic bacteria and Baksin-KD on the basis of halobacteria fed in the suckling period, stimulated physiological processes of the organism in bull-calves in their period of rearing before slaughter. This contributed to a better performance of blood, intestines microbiocenosis and, as a consequence, an increase in the average live weight of calves at the age of 18 months prior to slaughter by 4.2 and 5.8%. Use of additives in feeding helped to improve meat productivity of experimental animals. On the basic parameters of flesh mass, characterizing the value of the carcass, bull-calves of experimental groups were superior to control, respectively, by 11.8 kg or 6,7% (P<0,05) and 18.9 kg, or 10,7% (P<0,05). Calculation of the economic efficiency for 150 days of growing of the calves showed that profitability increased in the second test group by 3.2% and in the third experimental group - by 5.8% from the index of 6.3% in the control group. Profitability rate was 8.0% in the control group, that is lower than the index in the second test group by 7.45% and by 11.2% compared to the third experimental group of animals for 205 days of growing of steers.
Keywords: Kazakh white breed, bull-calves, feed additive, biologically active substances, Acibif, BaksinKD, weight gain, blood, intestinal microbiocenosis, economic efficiency.
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Author affiliation:
Bobryshova Galina T., Ph.D. in Agriculture, docent, Deputy Director for Science of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15. Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
Khabibulin Viktor V., applicant of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
Bolotov Nikolay A., Ph.D. in Agriculture, Senior Researcher of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
Sinelshchikova Irina A., Ph.D. in Agriculture, Senior Researcher of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
Pashkova Larisa A., Ph.D. in Agriculture, Senior Researcher of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
Zarytovsky Alexander I., Ph.D. in Biology, docent, Senior Researcher of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71- 57-73; e-mail: ms.basana@list.ru.
Responsible for correspondence with the editorial board: Abilov Batyrkhan T., Ph.D. in Agriculture, docent, head of the department of feeding of the All-Russian Scientific-Research Institute of sheep and goat breeding; 15, Zootechnichesky lane, Stavropol, 355017; phone: 8(8652)71-57-73; e-mail: ms.basana@list.ru.
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