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RELATIONSHIPS BETWEEN HAEMOGLOBIN (Hb) TYPE AND PRODUCTIVE AND REPRODUCTIVE PERFORMANCE OF RAHMANI EWES LAMBS

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Author(s): M. ABD-ALLAH

Journal: Online Journal of Animal and Feed Research
ISSN 2228-7701

Volume: 02;
Issue: 01;
Start page: 40;
Date: 2012;
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Keywords: haemoglobin type | Rahmani ewes | reproductive performance

ABSTRACT
Two hundred Rahmani ewes and seventy-one lambs used to study the relationship between the type of haemoglobin and some productive and reproductive traits. Distribution of Hb types and allelic frequencies were higher for type AA of ewes, while for lamb's type BB was higher than type AA. Fertility rate was higher in ewes with the type of haemoglobin AA than ewes with type AB or BB. Hemoglobin type, year of mating and breed of sire were not significant effects on fertility, while, age of dam and season of mating had a significant (P
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