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Симментал зотли буқачаларнинг экстерьер хусусиятлари

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MAQOLA ANNOTATSIYASI

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Annotation: The article provides information on the extraterrestrial characteristics of bulls of various production types of the Simmental breed. When the extraterrestrial properties of dairy milk -meat, meat- milk type Bulls, stored and fed in homogeneous conditions, were studied, meat-milk type Bulls of Group II showed an advantage over milk-meat type equines of Group I

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# экстерьер# яғрин баландлиги# Симментал зоти# ишлаб чиқариш типлари# индекслар# кўкрак кенглиги# гўштдорлик индекслари# поча айланаси# чўзинчоқлилик

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Foydalanilgan adabiyotlar

1. Угнивенко А.М. Мъясне скотарство Украини // Монография –К:Тов “Трик”, 2014.-324 С.

2. Угнивенко А.М Особенности экстерьера животных симментальской породы австрийской селекции //Научный взгляд в будущее.- Одесса, 2016.-Т.9.-Вып. 4. - С.51-53.

3. Holland.S. Simmental performance in Australia // J.Agr.Sci.- 1978.- vol.76 #8.-P. 262-266.

4. Kress. D. D., Doombas D.E., Andersen D.C. Performance off crosses among Hereford, Angus and Simmental cattle with different levels of simmental breeding: V.Call production, milk production and reproduction of tree-to eight- old dams //J.Anim. Sci.- 1990.-v.68.- № 68.-№7.-p. 1910-1921.

5. Miller H. Beef production of simmental-angus and hereford- angus crossbred cows. A.Progress Report //South Dacota St. univ. Broorline. Cow-caff day-1980.- p. 43-45.

6. Newmann J.A. Comparison of crossbred calves by south Devon. Mainenanjou and Simmental sires for some beef productive traits// Can. J.Anim.Sci.-1974.- vol 54.-p.197-203.

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