Abstract
This study was conducted to evaluate productivity of Awassi sheep raised at the Research Station of Sheep and Goats/ Abo Gharib/West of Baghdad/Iraq. A total of 369 milk records of the Awassi ewes collected during year of 2008 were used to investigate the ...
Highlights
Awassi breed is utilized for production of meat, milk, and wool
The objective of this study was to determine the level of influence of some factors on milk yield and lactation period, as well as to estimate the heritability of these traits as heritability is an important genetic parameter that must be taken into consideration when designing breeding programs for animal populations and the study aimed to estimate Best Linear Unbiased prediction (BLUP) of sires for total milk yield (TMY)
The estimate of the TMY in this study was within range of 73.16 – 131.92 kg reported by several workers (Eliya and Juma 1970; Karam et al, 1971; Alkass et al, 2009; Al-Samarai and Al-Anbari 2009; Abd Al-Noor, 2011) for the same breed in Iraq
Summary
Awassi breed is utilized for production of meat, milk, and wool. It is the main breed in Iraq and most of the Middle Eastern countries (Epstein, 1985; Zarkawi et al, 1999; Tabbaa et al, 2001; Hailat, 2005). Awassi sheep survive under harsh environmental conditions. It is adapted to scarcity of feed and high environmental temperatures (Said et al, 1999). The Awassi breed is traditionally kept for the production of milk and meat and plays a socioeconomic role in Iraq. The average total milk yield (TMY) of Iraqi Awassi sheep was ranged between 73.16 to 131.92 kg and the average lactation period (LP) was ranged between
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