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Articles by I. Durmus
Total Records ( 2 ) for I. Durmus
  I. Durmus , H. Goger , S.E. Demirtas and S. Yurtogullari
  This study was conducted to develop slow and rapid feathering strains and to find out the effects of speed of feathering on production and hatchability parameters in slow and rapid feathering strains of Line-54 of brown layers. Slow and rapid feathering genotype Line-54 brown egg layer strains were used as animal material. Significant differences were found between the groups with respect to sexual maturity, live weight at sexual maturity, egg production and egg weight (p<0.01) but not in egg mass (p>0.05). No difference in hatchability characteristics such as hatchability and middle period embryonic mortality was found between the slow and rapid feathering layers (p>0.05). Fertility, late period embryonic mortality (p<0.05), hatchability of fertile eggs and early embryonic mortality differ between the genotypes (p<0.01). The results of the present study suggested that slow feathering affected some production and hatchability parameters in layers.
  S. Kamanli , I. Durmus and S. Demir
  This study was aimed to determine the hatchability traits of abnormal eggs. A total of 1620 breeding eggs obtained from the parental stock of ATAK-S Brown layers aged 60 weeks developed at Poultry Research Institute were used. Eggs were allocated into 3 groups (normal, body checked and rough eggs) with respect to their shape abnormalities. While the hatchability, hatchability of fertile eggs, discard chick ratio and early, mid and late embryo mortality were found different between the groups (p<0.01, p<0.05), the fertility was not different (p>0.05).
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