Genotypic and phenotypic characteristics of the Western Siberian Hereford cattle population
https://doi.org/10.26898/0370-8799-2023-3-11
Abstract
Breeding and pedigree work aimed at increasing the intensity of growth of young animals and improving herds, ultimately consists in the accumulation of highly productive animals, and in the future - related groups and lines. It is carried out mainly through the use of bulls-improvers, which have passed the two-stage evaluation. The results of the complex characterization of the animals of the Siberian selection of Hereford breed from the breeding farms of the Novosibirsk region are presented. It has been established that in the leading pedigree breeding units the stud bulls of the Maer-Vern 88480, Baldwins Leda 10r, Baz Gold Sol 2v268279, Yarlyk 413 of Siberian reproduction and imported Hellington 88 910 of Finnish selection, Red Note 28 722 279, Kingly 1 Hyrrow 2 976 500 345 and Highflight Wetmore 377 231 of Canadian origin are used in the breeding work with regard to small number of other lines. The productivity limit for the period of economic use in calves ranges from 2.5 to 9.4 lactations, live weight from 507 to 569 kg, milk yield from 189 to 204 kg, height at hips from 125 to 131 cm and the reproduction score from 8.2 to 9.3. On these farms, leader bulls were bred on the basis of heterogeneous and improving selection of parental pairs, which are included in the repair group of stud bulls. The live weight at 15 months is 458-616 kg and corresponds to the class of elite-record. The average daily gain of live weight during the test period from 8 - to 15 months of age is within 1052-1381 g.
About the Authors
B. O. InerbaevRussian Federation
Bazarbai O. Inerbaev - Doctor of Science in Agriculture, Head Researcher.
PO Box 463, Krasnoobsk, Novosibirsk Region, 630501
I. A. Khramtsova
Russian Federation
Irina A. Khramtsova - Candidate of Science in Agriculture, Senior Researcher.
PO Box 463, Krasnoobsk, Novosibirsk Region, 630501
A. T. Inerbaeva
Russian Federation
Aigul T. Inerbaeva - Candidate of Science in Engineering, Lead Researcher.
PO Box 463, Krasnoobsk, Novosibirsk Region, 630501
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Review
For citations:
Inerbaev B.O., Khramtsova I.A., Inerbaeva A.T. Genotypic and phenotypic characteristics of the Western Siberian Hereford cattle population. Siberian Herald of Agricultural Science. 2023;53(3):97-105. (In Russ.) https://doi.org/10.26898/0370-8799-2023-3-11