Objective:To study the prevalence and mean intensity of copepod parasite Lernaeenicus polynemi infestation on Eleutheronema tetradactylum from Pazayar,Tamil Nadu,southeast coast of India.Methods:The fish was collected...Objective:To study the prevalence and mean intensity of copepod parasite Lernaeenicus polynemi infestation on Eleutheronema tetradactylum from Pazayar,Tamil Nadu,southeast coast of India.Methods:The fish was collected from Pazhayar landing centre from January to December 2012 and their biometric measurements were examined.Toal number of infected fish and total number of parasites were recorded.Results:Higher prevalence and mean intensity of infestation of 35.23%and 3.1 were respectively reported during monsoon season of 2012.The parasitic infestations were scattered over the entire body of the host and targeted the different internal organs such as liver and the dorsal aorta.The highest intensity was reported to be 66 parasites in a single host.Conclusions:Due to the heavy parasitic attack the fish will suffer and its economical value or the marketability may reduce.展开更多
基金Supported by MOES major project(Ref.No.36/OOIS/SIBER/07)UGC major project(F.No.39-569/2010(SR)).
文摘Objective:To study the prevalence and mean intensity of copepod parasite Lernaeenicus polynemi infestation on Eleutheronema tetradactylum from Pazayar,Tamil Nadu,southeast coast of India.Methods:The fish was collected from Pazhayar landing centre from January to December 2012 and their biometric measurements were examined.Toal number of infected fish and total number of parasites were recorded.Results:Higher prevalence and mean intensity of infestation of 35.23%and 3.1 were respectively reported during monsoon season of 2012.The parasitic infestations were scattered over the entire body of the host and targeted the different internal organs such as liver and the dorsal aorta.The highest intensity was reported to be 66 parasites in a single host.Conclusions:Due to the heavy parasitic attack the fish will suffer and its economical value or the marketability may reduce.
