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开食饵料的对象苗种有天然采捕和人工孵化苗种。前者包括湖产、海产白仔香鱼,白仔鳗和(鱼师)鱼的黄尾蚴等等。后者包括虹鳟等鲑鳟类上浮仔鱼,人工孵化的香鱼仔鱼、真鲷、牙鲆、河鲀等海产仔鱼,日本对虾、车虾等虾类人工孵化幼体等等。开食饲料根据用途和形态大致可分为如下4种类型。 1.颗粒或碎粒状饲料普通碎粒状饲料在虹鳟、银鲑等鲑鳟类的上浮仔鱼的开食中用得最普遍,但也用于天然采捕香鱼的开食。这种饲料在开食饲料中的造价虽然最低,
The object of feeding bait seed has natural harvesting and artificial hatching seed. The former includes the lake production, marine white chard, white eel and (croaker) fish yellow cercariae and so on. The latter include rainbow trout and other salmon on the floating larvae, artificial hatching aphid lagopus, sea bream, flounder, pomfret and other marine larvae, Japanese shrimp, shrimp and other shrimp artificial hatching larvae and so on. Fresh feed according to use and form can be broadly divided into the following four types. 1. Pelleted or pelleted feed Ordinary pelleted feed is most commonly used on lobster, salmon, and other salmon trout, but it is also used for natural feeding of sweet fish. Although this feed is the lowest in the cost of raw food,