Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

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Registration certificate: PI number 77-12831 on May 31, 2002
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ISSN 1997 - 4868 (Print)

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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 12 (166) 2017

Биология и биотехнологии

Кощаев А. Г. доктор биологических наук, профессор Кубанский государственный аграрный университет

ШУКЛИН С. Ю. аспирант Кубанский государственный аграрный университет имени И. Т. Трубилина

ЩУКИНА И. В. доктор сельскохозяйственных наук, доцент Кубанский государственный аграрный университет им. И. Т. Трубилина

УДК:636.2.033.066

GENETIC VARIETY OF CATTLE BRED IN KRASNODAR REGION

 This article presents the results ofstudies of the genetic diversity of the Aberdeen-Angus breed of cattle. Researchwas carried out in the three leading farms of the Krasnodar Territory. Theobject of the study was the animals most abundant in the province of the breed(more than 31 % of the total number) of cattle meat direction of productivity —Aberdeen-Angus. During the work the following were investigated: thegenealogical structure of the population, pedigree certificates and theexternal profile of animals, the structure of microsatellite loci, the indicesof heterozygosity, and the values of Fis. The aim of the research is to studythe rock formation process in the Aberdeen-Angus breed, with intensive use ofanimals in breeding and breeding work. It has been established that in theKrasnodar Territory the population of Aberdeen-Angus cattle used refers to morethan 20 legitimate genealogical complexes: 12 groups (63.2 %) belong toAmerican breeding — 3 (15.8 %), Australian and New Zealand — 4 (21.0 %). Theaverage number of offspring per manufacturer was up to 150 goals. Five-yearmonitoring of the exterior signs of bulls-producers, it is established that allanimals have a strong physique. The use of animals in the conditions of thesouthern foothill zone, with pasture content, affects the strength of thelimbs, so in the Australian bulls, the feet with an enlarged thumb meet 7 %more than at the age of 12 months, and in Canada — by 7.2 %. The study of thestructure of the most important microsatellite loci: BM1824, BM2113, BM1818,CSRM60, CSSM66, ETH3, ETH10, ETH225, INRA023, ILSTS006, SPS115, TGLA227, TGLA126,TGLA122, TGLA53, made it possible to establish that there are 69 peaks in thepopulation, heterozygosity high from 0.67 to 0.957, the Fis values within theconfidence interval (95 %). The studied populations have a stable genealogicalstructure, there is no close inbreeding, and there are numerous options formodeling further breeding and breeding work.


Keywords:

selection, genotype, microsatellite loci, DNA markers, productivity, exterior, genealogy, bulls-producers, confidence interval, heterozygosity.


References:

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