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Home > Fish KM > Fisheries research

Researches of aquaculture and fish disease


From:FA  Location:Taiwan

1‧Aquaculture technology

  In recent years, there is a controversial debate going on in the aquaculture industry because of the shortage of fresh water resources and land subsidence. As a result of these problems TFRI decided that the need for improved aquaculture methods and expansion of cultured species were needed. Therefore, reproduction techniques for high-value marine species such as grouper, red porgy, silver bream, black sea bream, and snapper have been developed and successfully transferred this technique to aquafarmers. Currently, there 72 are cultured species. In addition, there are 35 potential candidate species under assessment. The goal of the aquacultural policy is the new specie development and diversification in both culture systems. Moreover, in the future aquaculture should move toward enterprising management. These management techniques include seacage culture; automatic supervision and control of the culture-water quality and automatic feeding and reproducing, which will promote aquaculture as being a high-value fish producing and high-efficiency resource utilizing industry.

2‧Research of fish disease

(1) In the field of environmental control research:

  The utilization of beneficial bacteria was screened from the environment to improve the quality of culture water and to reduce the accumulation of ammonium salts, sulfur compounds and the reducingfrom chemicals in the bottom slims. This can effectively prevent the fish disorders due to the environmental deterioration.

(2) In the field of disease diagnostics research:

  The shrimp blood agar which is developed to test hamenolysis of shrimp's haemocyte by bacteria can rapidly and properly judge the number of potential pathogens. The gene-probe can exactly detect the white spot baculovirus virus for shrimp without sacrificing whole shrimp by sampling a piece of the swimming foot. With the combined help of genetic engineering, molecular technology and virology, the gene-probe has become a powerful tool.


The normal tiger prawn (up) and the ones infected with the white spot disease (down) have a white spot on the shell's headthorax.



 
 
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