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Genetic parameters of Barki sheep raised under semi-arid conditions

Published online by Cambridge University Press:  02 September 2010

M. H. Fahmy ,
E. Salah E. Galal ,
Y. S. Ghanem  and
S. S. Khishin
M. H. Fahmy
Affiliation:
Department of Animal Research, Desert Institute, Matareya, Cairo, Egypt
E. Salah E. Galal
Affiliation:
Department of Animal Research, Desert Institute, Matareya, Cairo, Egypt
Y. S. Ghanem
Affiliation:
Department of Animal Research, Desert Institute, Matareya, Cairo, Egypt
S. S. Khishin
Affiliation:
Department of Animal Research, Desert Institute, Matareya, Cairo, Egypt
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Summary

Records on 695 lambs were collected over a period of 5 years from 1961/62 to 1965/66, at Ras El-Hekma Desert Research Station, 230 km west of Alexandria. The characters studied were birth, weaning and yearling body weights, pre- and post-weaning daily gains and greasy fleece weight.

Birth, 120-day and 365-day body weights were 3·4, 18·2 and 33·4 kg respectively. Greasy fleece weight at 16 months of age was 3·29 kg. Heritability estimates of birth, weaning, yearling weights, pre- and post-weaning daily gains and greasy fleece weight were 0·22, 0·45, 0·41,0·45 and 0·29 respectively. Genetic and phenotypic correlations between birth, weaning and yearling weights were all positive and significant. Genetic correlations between fleece weight and body characteristics were negative and low.

Type
Research Article
Information
Animal Production , Volume 11 , Issue 3 , August 1969 , pp. 361 - 367
Copyright
Copyright © British Society of Animal Science 1969

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References

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