Volume 1, Issue 1 (5-2010)                   rap 2010, 1(1): 1-15 | Back to browse issues page

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Baghchehmaryam M B, Moradi shahrebabak M, Miraeei Ashtiani M, Rashidi R, Sheykh Ahmadi M. (2010). Estimation of Genetic and Phenotypic Parameters for Some Economic Traits in Markhoz Goat. rap. 1(1), 1-15.
URL: http://rap.sanru.ac.ir/article-1-153-en.html
College of Agriculture, University of Tehran
Abstract:   (8164 Views)

  Genetic and phenotypic parameters for body and yearling fleece weigh traits were estimated based on 4008 records. Records gathered across year 1993 to 2007 in the Markhoz goat research stations in Saghez and Sanandaj. Parameters were estimated using univariate and bivariate animal model with restricted maximum like lihood ASREML software. Mean (standard error of means) of birth weight (BW), weaning weight (WW), 6, 9 and 12 month and yearling fleece eight were 2.56(0.01), 14.93(0.0) 17.13(0.08), 20.08(0.11), 24.72(0.14) kg and 450.51(3.46) gram, respectively. Higher and lower direct heritability were 0.361±0.041 and 0.211±0.036 for 12 month and yearling fleece weight respectively. Birth weight has the highest maternal heritability (0.121±0.023) and it was decreased with increasing of age. Genetic correlation between these traits ranged from -0.202 t0 0.862 and phenotypic correlation 0.152 to 0.835, respectively. Genetic correlations for growth traits were positive but those of some growth traits and fleece weight were negative. Correlation between direct and maternal genetic effect were negative for all traits.

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Type of Study: Research | Subject: Special
Received: 2013/04/29 | Revised: 2019/02/19 | Accepted: 2013/04/29 | Published: 2013/04/29

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