复合维生素添加剂对鳖的促生长效果

用多种维生素按不同配方制成４种复合维生素添加剂，分别以０．５％的添加量掺入基础饲料中，制成４种试验饲料；用试验饲料饲喂幼鳖２５天，观察促生长效果，试验分两期进行，经筛选及重复试验，结果显示，多维３号复合维生素添加剂具有显著的促生长功效，投喂多维３号复合维生素添加剂的饲料，幼鳖增重率比对照组提高２９．２９％，饲料系数降低１９．３８％。

Effect of Mixed vitamins Additives on the Growth of Turtle ( Trionyx sinensis )

Four sorts of vitamin complex additives were prepared with various vitamins in different formula, which were added to the basic diets in a percentage of 0.5%. The young turtles were fed with the experimental diets for 25 days and the results showed that No.3 vitamin complex additive had significant effect on speeding up the growth. Weight gain 4 young turtles fed with No.3 additive was 29.29% higher than that of the control and feed coefficient 19.38% lower than that of the control.