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青、草、鲢、鳙等鱼类是 我国的主要养殖品种,深受群众 喜爱,但是,受地理位置和气候条 件的制约,山东临沂地区的家鱼 人工繁殖、孵化时间一般在5月 中、下旬,不适应生产的需要。为 了充分利用鱼类生长季节来培育 大规格鱼种,近年来,我们利用简 易日光温棚进行了提早繁育家鱼 鱼苗的试验,收到了较好的效果, 孵化时间比试验前提前了20天 -25天,鱼苗产量和经济效益也
Green, grass, silver carp and bighead carp are the main cultured species in our country, which are favored by the masses. However, due to geographical location and climatic conditions, domestic fish in Linyi Prefecture of Shandong are artificially propagated. The hatching time is generally mid- In late, do not meet the needs of production. In order to make full use of the fish growing season to cultivate large-scale species, in recent years, we used the simple solar greenhouse to carry out early breeding of fish fry, and received good results, hatching time 20 days earlier than the test - 25 days, fry production and economic benefits also