近年来,我县不少农户大力发展养鸭事业,并结合养鸭治虫,收到了很好的效果。现将其经验简介如下: 一、一般以体重0.15～0.5公斤左右的仔鸭较好 仔鸭出壳后二三天就可进入田间捕食,一个星期后至40来天,捕食害虫能力很强。到了中鸭阶段,体重超过0.5公斤以上,食量猛增,但由于鸭嘴过大,吃小虫的能力也不如小鸭,而且容 In recent years, many farmers in our county vigorously develop duck business, combined with duck feeding pest control, received good results. Now the experience is as follows: First, the general weight of about 0.15 to 0.5 kilograms of ducklings better ducklings two or three days after hatching can enter the field predation, a week to 40 days, predatory pests ability. To the duck stage, weighing more than 0.5 kg, food intake soared, but due to excessive duckbill, the ability to eat bugs as duckling, and Rong