海口市优势水产品重点养殖区病害调查及分析

Disease Investigation and Analysis of Key Culture Zones of Advantage Aquatic Product of Haikou

2007—2009年,对演丰、三江、灵山、大致坡、红旗、长流、西秀、府城等重点养殖区的罗非鱼(Tilapiasp.)、对虾(Penaeussp.)养殖水体进行现场调查和分析研究,初步摸清了近3年病害的种类、流行、发病特点及造成的损失情况.细菌性、病毒性疾病是罗非鱼、对虾的主要病害,特别是白斑病、红体病、链球菌病、底死症、高温综合症等发病非常普遍.7—9月份为罗非鱼发病高峰期;3—5月份和9—11月份为对虾发病高峰期.多数病害在调查区域均有分布,发病后死亡率较高.2007-2009年海口市水产病害死亡造成的直接经济损失近281万元.

On-site investigation and analysis of aquaculture of Tilapia sp. and Penaeus sp. in key culture zones at Yan Feng, San Jiang, Da Zhipo, Hong Qi, Chang Liu, Xi Xiu, Fu Cheng,etc were carried out in 2007—2009. The species, pop, characteristics and damage of disease were preliminarily understood in those three years . Bacterial and viral diseases are the major disease of Tilapia sp. and Penaeus sp., in particular, leukoderma, red body disease, streptococcicosis, syncope disease, and high temperature syndrome , etc, are widespread. July to September is the incidence peak of Tilapia sp.; March to May and September to November are the incidence peak of Penaeus sp.. Most diseases are distributed in the surveyed region, with high mortality rate after incidence. The direct economic loss is almost 2.81 million caused by the death of the aquatic diseases in Haikou in 2007-2009.