目前,养虾业已成为许多国家和地区的重要产业。当代是信息时代,我们提供一点信息,希望能对我省发展养虾业有所裨益。现就收集到的资料,加以归纳整理,提供参考。但我们的水平不高,定有许多错处,请读者批评指正。一、世界养虾业发展的趋势和特点 1.发展速度迅猛,产量直线上升虾类是各国人民喜爱的水产品。近年来由于活虾和冻虾出口量增加,全世界虾类产量呈直线上升。1970年为100万吨,1977年突破150万吨(实际为165.5万吨),1985年增至190万吨,1987年已达218万吨。其中,养虾产量所占的比重也迅速地增长。在七十年代至八十年代前期,全世界养虾产量占虾类总产量的比重,一般是7％左右,至1986 At present, shrimp farming has become an important industry in many countries and regions. Contemporary is the information age, we provide a little information, hoping to benefit our province to develop shrimp industry. Now collected information, to be summarized, provide a reference. However, our level is not high, there are many wrong places, please readers criticism. First, the development trend of the world shrimp industry and features 1. Rapid development, production of shrimp straight line is the favorite of all peoples of the aquatic products. In recent years, shrimp production in the world has risen linearly due to the increase in the export of live shrimp and frozen shrimp. 1 million tons in 1970, 1.5 million tons (actually 1,655,000 tons) in 1977, 1.9 million tons in 1985 and 2.18 million tons in 1987. Among them, the proportion of shrimp production also increased rapidly. From the 1970s to the early 1980s, the share of shrimp production in shrimp production in the world was generally around 7% until 1986