THE EFFECT OF THE HEIGHT AT THE RUMP ON A LIVE WEIGHT AND AVERAGE DAILY GAINS

Ismagil Khakimov; Almagul A. Zhivalbaeva

doi:doi:10.12737/20339

THE EFFECT OF THE HEIGHT AT THE RUMP ON A LIVE WEIGHT AND AVERAGE DAILY GAINS

Published в Bulletin Samara State Agricultural Academy · Volume 1, Issue 3, 2016 · Pages 60–63 · Rubrics: VETERINARY MEDICINE AND ZOOTECHNICS

DOI 10.12737/20339

Received: 25.06.2016 Accepted: 23.08.2016 Published: 23.08.2016 Language of publication: RUS

Authors

Ismagil Khakimov ¹ · Almagul A. Zhivalbaeva ²

1 FGBOU VO Samarskiy GAU (kafedra «Razvedenie i kormlenie sel'skohozyaystvennyh zhivotnyh», professor)
p.g.t. Ust'-Kinel'skiy, Samara, Russian Federation

2 Samarskaya gosudarstvennaya sel'skohozyaystvennaya akademiya (kafedra «Razvedenie i kormlenie sel'skohozyaystvennyh zhivotnyh», aspirant)
Samara, Russian Federation

ABSTRACT

The purpose of the study – improvement of breeding and productive qualities of Hereford cattle by insemination bulls form the canadian selection. It is established that in young Hereford beef cattle between live weight and height at the sacrum and between the height at the sacrum and average daily gains there are mainly medium and high positive correlation (from 0.35 to 0.73) . Regression analysis has shown that the change in height in the sacrum on 1 cm, causes the increase of live weight of animals from 1.55 kg in animals of different lines and produktivity gain of calves from 7.67 g to amounted to 23.87g. The highest coefficient of the time average correlation coefficient of between the height at sacrum and live weight setlen in the group of heifers, obtained a bull from the absolute 49S, and the highest co-factor regression between these two traits in heifers obtained from a bull of a Wide Load 391W. The same trend holds when comparing groups correlation coefficient and regression between the height at the sacrum and average daily gain. It is noted that calves of all groups are well adapted to local conditions, and have high gain.

KEYWORDS

cattle measurements weight gain correlation regression

Information References

Authors:

1. FGBOU VO Samarskiy GAU (kafedra «Razvedenie i kormlenie sel'skohozyaystvennyh zhivotnyh», professor)

p.g.t. Ust'-Kinel'skiy, Samara, Russian Federation

2. Samarskaya gosudarstvennaya sel'skohozyaystvennaya akademiya (kafedra «Razvedenie i kormlenie sel'skohozyaystvennyh zhivotnyh», aspirant)

Samara, Russian Federation

Type:

Article

Pages:

from 60 to 63

Status:

Published

Language:

Russian

Keywords:

cattle, measurements, weight, gain, correlation, regression

References

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