The effects of dietary calcium level and particle size on the egg production and egg shell quality in Japanese quail
2004
Minoguchi, N.(Aichi-ken. Agricultural Research Center, Nagakute (Japan)) | Ohguchi, H. | Yamamoto, R. | Hanaki, H.
The present study was conducted to investigate the effects of dietary calcium levels (2.5%, 3.0%, 3.5% and 4.0%;Exp1) and the particle size (powder, small(0.3-0.6mm), medium(0.6-1.0mm) and large(1.0-2.0mm) particles;Exp2) on egg shell quality and the rate of cracked egg production in Japanese quails during the late laying stage. The results suggested that 3.0%-3.5% of dietary calcium with medium particle size(0.6-1.0mm) could improve egg shell quality, and reduce the percentage of cracked eggs without depressing egg production.
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