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Birth and weaning weights of Awassi lambs raised in the GAP International Agricultural Research and Training Center
(Ankara Üniversitesi Veteriner Fakültesi, 2015) Şireli, Halit Deniz; Vural, Mehmet Emin; Karataş, Ahmet; Akça, Nalan; Koncagül, Seyrani; Tekel, Nihat
In this study, the data were collected from 1271 heads of Awassi lambs raised in the GAP InternationalAgricultural Research and Training Center in Diyarbakır, Turkey. Birth and weaning weight (at 90 days) of lambs were measur edand average daily weight gain from birth to weaning was calculated. The effect of the years and season of lambing, age of dam, sexand birth type on birth weight (BWT), weaning weight (WWT) and average daily weight gain (ADWG) from birth to weaning were investigated. Overall means were 4.81±0.022 kg for BWT, 22.99±0.196 kg for WWT and 201.67±1.173 g for ADWG. The all taritsin the analyses were significantly (P<0.05) affected by all factors in the model. In addition, lambs born heavier grew faster andreached heavier WWT (p<0.01). Based on the single and multiple trait analyses, heritability estimates ranged from 0.21 to 0.25 forBWT, from 0.13 to 0.17 for WWT and from 0.13 to 0.17 for ADWG. Estimates of genetic correlations between BWT with WWTand ADWG were 0.61 and 0.61, respectively.