Effects of the sub-standard size of Barley Replaced Feed and Crab husk Supplementation in to the Diet on Laying Performance and Egg Quality in Laying Hens

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  • 採卵鶏への規格外大麦給与およびカニ殻添加による産卵･卵質に及ぼす影響

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The experiment 1:This experiment was carried out evaluate the effects of feeding the diet replaced of 45% of basal diet with the sub-standard size of the barley and supplemented with 0,5,10,15% of the crab husk respectively for Boris Brown layers served as basal feed for 28 days. The experiment 2: The experiment was conducted with a factorial arrangement of 45% of the replaced of basal diet and supplemented with 0,5% of the crab husk respectively for Boris Brown layers served as basal feed for 140days. In the study, the egg shell strength was more week significantly and the yellowness of egg yolk was significantly decrease in the group fed the barley replaced feed compared to that of control diet significantly (P<0.05). Astaxanthine that exist in feed might be transferred into the yolk in eggs. The ratio of the fatty acid of n-6 group and n-3 group was significantly decrease in the group fed the barley replaced feed compared to that of control diet group significantly(P<0.05). These results suggested that feeding 45% replaced of the barley replaced feed and supplemented with 5% of the crab husk might be able to feed to laying hens. Moreover, the egg that might be transferred of astaxanthine and the fatty acid compositions of egg yolks might improve. The blood cholesterol content were no significant differences among treatments.

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