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2019, vol. 35, iss. 4, pp. 347-355
Estimation of growth traits heritability coefficients in sheep
aUniversity of Belgrade, Faculty of Agriculture, Serbia
bInstitute for Animal Husbandry, Belgrade-Zemun, Serbia

emailkrstina.zeljic@yahoo.com
Project:
Optimization of technological procedures and zootehnical resources on farms with the goal to upgrade sustainability of milk production (MESTD - 31086)

Keywords: lambs; growth; heritability; Sjenicka Pramenka sheep
Abstract
The objective of this research paper was to estimate heritability coefficients (heritability) of growth traits in the lambs of indigenous Sjenicka Pramenka breed. The research was conducted on a sample which included 421 lambs the descendants of 15 sires and 187 sheep-dams, raised on 3 private farms in Kolubarski district, Serbia. The effect of fixed factors was studied while the values of heritability coefficients were estimated within the frame of SAS software package. A statistically highly significant (**=P<0.01) effect on studied traits had following parameters: sex, year of lambing, type of lambing, farm and method of applied reproductive technology. By means of REML method and using the sire model the values of heritability coefficients were determined for the following traits: average lamb birth weight (BW0), average lamb body weight at 30 days (BW30) and average lamb body weight at 90 days (BW90) being: 0.0355; 0.4642 and 0.3018, respectively.
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article language: English
document type: Original Scientific Paper
DOI: 10.2298/BAH1904347Z
published in SCIndeks: 09/01/2020
Creative Commons License 4.0

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