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近年来,长吻(?)的养殖量在扩大,为了了解长吻(?)对鱼病防治中常用的几种药物的忍受力,进行了本试验。一、材料和方法 1、试验鱼为本所繁殖的当年长吻(?)苗种,都在10日龄以上。试验前先在小水池中饲养7天,使其适应环境,水源为井水。饲养的前三天投喂浮游动物,以后投喂水蚯蚓。试验时经镜检取健康个体,试验期间不投食。草鱼苗由本所养殖场提供。
In recent years, the long-ken (?) Breeding is expanding, in order to understand the long-kin (?) For the endurance of several drugs commonly used in fish disease prevention, the test was carried out. First, the material and methods 1, the test fish breeding for the year long kiss (?) Seed, are more than 10 days of age. Before the experiment, keep in a small tank for 7 days to adapt to the environment, and the water source is well water. Feeding the zooplankton for the first three days of feeding, after feeding water earthworms. During the test by the mirror to take healthy individuals, during the test does not feed. Grass fry by the local farms to provide.