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THE PHARMA REVIEW (NOV DEC 2018)

Circulating Parasite Prevalence and Black Fish Species, on Human Health Deterioration in Pune District, India

Rahul Hajare

Introduction:

Abstract: Examination of 45 fresh and blackish water fish, from Pune district, India, representing Clarias gariepinus, Lebeo noliticus and Mugil cephalus, revealed the occurrence of nine species of encysted metacercariae in Cl. gariepinus, belonging to family Heterophyidae, two unidentified digenean metacercariae in L. niloticus and two unidentified digenean metacercariae in M. cephalus. The relationship between parasite prevalence and fish species, seasonal prevalence and fish weight has investigated. The highest rate of infection (73.68%) has recorded in autumn, in Cl. gariepinus, while the lowest (54.05%) has observed in summer. Whereas, in M. cephalus and L. noliticus, the highest prevalence of infection (56.67 and 26.09%, respectively), has recorded, in spring. But, in M. cephalus the lowest infection rate (25.82%) has detected in winter, while in L. niloticus (12.50%), it has recorded in autumn. The intensity of infection in Cl. gariepinus increased with fish weight till 250g while, it decreased in fish weighing more than 300g. Similarly, in M. cephalus, the infection rate increased with increase of fish weight till 200g, but has lower in larger fish. In L. niloticus, there has no relationship between rate of infection and fish weight; the highest intensity of infection has recorded in fish weighing 100- 200g. The identification of metacercariae has assessed by feeding experimentally two dogs with flesh of Cl. gariepinus, containing encysted metacercariae and the recovery of flukes from their intestines. The impact of infection of humans and animals is discussed.

 

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