Poultry Studies 2009, Vol 8, Num, 1     (Pages: 023-025)
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Effects of Coating Breeding Eggs With Different Materials On Hatching Results

İsmail DURMUŞ 1 ,Serdar KAMANLI 1 ,Hüseyin AYGÖREN 1

1 Tavukçuluk Araştırma Enstitüsü Müdürlüğü – Ankara - In this research 1800 eggs obtained from ATAK-S breeding stock aged 41 weeks were used. The research was conducted in randomized parcels experimental design with 3 replicates and 150 eggs were used in each replicate. The treatments were control, coating with sugared water diluted at 1/1 ratio, coating with 3% gelatinous water and coating with stretch. All the eggs were stored 13 days and then hatched. Egg weight losses 0.32, 0.41, 0.38, 0.23 g, hatchability 83.30, 77.73, 84.82, 86.38 (%) , hatchability of fertil eggs 85.96, 79.78, 86.41, 88.56 (%), early emryo mortality ratios 4.15, 9.83, 4.69, 5.03 (%), middle embryo mortality ratios 0.22, 1.37, 0.47, 0.00 (%), late embryo mortality ratios 9.66, 8.92, 8.43, 6.40 (%), average chick weights 38..31, 38.48, 37.67, 38.49 (g) were found.

While the egg weight losses, hatchability, hatchability of fertil eggs, early and middle embryo mortality ratios were found different (P<0.05), chick weights and late embrio mortality rations were not different (P>0.05) between the treatment groups.

The lowest egg weight losses were observed in eggs coatined with stretch (S group) but this did not lead to an advantage compared to the control group. Keywords : Egg storage, egg coating, hatchability, hatchability of fertile eggs, egg weight