The research aimed to study the effects of dietary levels of protein, Ca and P on the daily weight gain of Gushi white geese during growth period.
研究饲粮蛋白质、钙、磷添加水平对生长期固始白鹅日增重的影响。
Results show that sawdust of black wattle branches which contains more protein, lignin. pentosan, starch, P and Ca etc. than the ordinary mixed sawdust is a good substrate.
结果表明：黑荆枝丫材锯屑的蛋白质、木素、戊聚糖、淀粉、磷和钙等含量均比杂木屑高，是栽培食用菌的优质培养料。
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