范文编号:SP031 范文字数:5929,页数:13 摘 要
Comparison on the Total Benefit Between White Shell Layers and Brown Shell Layers in Shantou Abstract:The difference of production performance, the physical properties, the sold rate and the total benefit between white shell layer and brown shell layer in Shantou area were compared. The results showed that the feed conversion rate of white shell layer was lower than that of brown shell layer. The white shell layer was more suitable for large-scale production in Shantou. The consumer had a preference for eggs with white shell to one with brown shell. Therefore, the white shell layer should be fed as main variety, and the brown shell layer could be the complement and regulation of the egg market in Shantou.
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