In recent years,tilapia industry development was relatively depressing,and its health and sustainability would be damaged.In order to promote the healthy and sustainable development of tilapia industry in Tanzhou Town,Zhongshan City characteristic Fishery Workstation introduced the tilapia farming model of crispy muscle.The comparative analysis of benefits of two kinds of tilapia farming model models was carried out in Luotong aquaculture farm and Qiangsheng aquaculture Co.,LTD.in Tanzhou Town.In model 1,large size tilapia(body weight about 1 kg)was selected for directly embrittlement cultured.In model 2,juvenile tilapia were cultured in the original pond for some days and then embrittlemented,in which the embrittlement for 80 days after 30 days of breeding was called as model 2-1,embrittlement after culture for 50 days and 100 days was called as model 2-2,embrittlement after 60 days of culture for 100 days was called as model 2-3,and embrittlement after 60 days of culture for 120 days was called as model 2-4.The total production and economic benefit of the two models were compared and analyzed after the farming.The index including the total production,growth performance,input and outcome were collected.The results showed that the survival rate of all the different farming models was higher than 97.00%.The tilapia production pre mu in model 2-1 was lower than that in model 1,while the other models were higher than that of in model 1.The economic benefits in model 1 were much higher than that in model 40.86 yuan/m2 profit in model 1,which the input-output ratio was 1∶1.63,and the cost profit rate is 63.28%.The unit profit of model 2 between-0.75 to 6.34 yuan/m2,the input-output ratio was 1∶0.99-1.09,and the cost profit rate was-1.29 to 9.32%.With the increasing of the tilapia embrittlement time,profit rate,unit profit rate,input-output ratio and cost profit rate all showed a decreasing trend,and the losses occurred in model 2-4,unit profit rate was-0.75 yuan/m2 and cost profit rate was-1.29%.The results of this study will provide reference for the reasonable and healthy cultivation and green development of crispy tilapia in Guangdong Province.
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NSTL
万方数据
