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在1龄异育银鲫饲料中 ,按0mg/kg、200mg/kg、250mg/kg、300mg/kg、350mg/kg 和400mg/kg的梯度添加促生长剂二氢吡啶。经30d的饲养试验表明 ,试验组的生长速度较对照组有显著提高(P<0.05)。以增重率、成活率为指标进行比较后认为 :二氢吡啶的适宜添加量为300mg/kg。
Growth-promoting dihydropyridines were added to the first-day allogynogenetic crucian carp diet at 0, 200, 250, 300, 350 and 400 mg / kg. After 30 days of feeding experiments showed that the growth rate of the experimental group compared with the control group was significantly increased (P <0.05). With the rate of weight gain, survival rate as an indicator for comparison, after that: dihydropyridine the appropriate dosage of 300mg / kg.