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Research Journal of Poultry Sciences
Year: 2008  |  Volume: 2  |  Issue: 4  |  Page No.: 75 - 77

Perfomance and Egg Quality Parameters of Laying Hens Fed Different Dietary Inclusion Levels of Bitter Kola (Garcinia kola)

O.S. Adedeji, G.O. Farinu, T.B. Olayeni, S.A. Ameen and G.M. Babatunde    

Abstract: The effects of different inclusion levels of Garcinia kola on performance and egg quality parameters of layers were investigated for 8 weeks. A total of 40 Issa brown point-of-lay birds at 20 weeks of age were assigned randomly into 5 treatments, 1, 2, 3, 4, 5 with 8 birds/treatment and 4 birds/replicate. Birds on each treatment were fed different diets containing Garcinia kola at 0 g/1000 g, 10 g/1000 g, 20 g/1000 g, 40 g/1000 g and 80 g/1000 g/kg weight of feed. The control diets did not contain Gracinia kola. The trial lasted for 8 weeks. There were no significant differences (p>0.05) in egg weight, yolk weight, yolk index, yolk length, yolk colour, yolk albumen ratio, shell weight, shell thickness and Haugh unit of the eggs. There were significant differences (p<0.05) in performances, albumen weight and yolk height. This study showed that Garcinia kola did not pose any deleterious effects to the birds even at 80 g/1000 g/kg inclusion level but performance and egg quality were best at 10 g/1000 g/kg of dietary inclusion.

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