PHENOTIPIC CORRELATIONS AMONG COUPLE OF CHARACTERS IN DAIRY ROMANIAN BLACK SPOTTED BREED FROM PESTRESTI-ALBA FARM

GH. NISTOR, ELEONORA NISTOR, V. BAMPIDIS

Abstract


Phenotypic correlations among milk yield, fat yield and protein yield were estimated using an animal model and records of 101 cows enrolled in the SC Dorin&Sanda SRL farm, Petresti-Alba. Among the productive traits investigated, the highest correlation was observed between the milk and fat yields 0.98. Between milk yield and protein yield coefficient correlation was 0.97, and also 0.97 between fat yield and protein yield. It was concluded that these phenotypic parameters could be used for the genetic evaluation of dairy cattle in Romania. Regression coefficients among the three couple of traits indicate the same high and positive values. The yield traits (kg) are all positively related.


Keywords


milk; fat; protein; yield; correlations

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Scientific Papers Animal Science and Biotechnologies publish open access articles under the terms of the Creative Commons Attribution 4.0 Licence (read full legal code).


LUCRARI STIINTIFICE ZOOTEHNIE SI BIOTEHNOLOGII (SCIENTIFIC PAPERS ANIMAL SCIENCE AND BIOTECHNOLOGIES)

ISSN print 1841 - 9364
ISSN online 2344 - 4576
ISSN-L  1841 - 9364
(former ISSN 1221-5287, E-ISSN 1841-9364)

PUBLISHER: AGROPRINT Timisoara, Romania
PAPER ACCESS: Full text articles available for free
FREQUENCY: Semiannual
PUBLICATION LANGUAGE: English
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Banat´s University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" from Timisoara
Faculty of Animal Science and Biotechnologies
300645, Timişoara, Calea Aradului 119, Romania

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