Abstract Fish is the main source of
animal protein for
human diet . The aim of this study was to find out
prevalence of pathogenic
bacteria of two selected economically important fish of
Pakistan namely Mahseer (Tor putitora) and
Silver carp (
Hypophthalmichthys molitrix ). Live fish samples from hatcheries and dead fish samples from different markets of study area were randomly collected. The fish samples were analyzed for isolation, identification and
prevalence of
bacteria . The isolated
bacteria from study fish were identified through biochemical test and about 10 species of pathogenic
bacteria were identified including the pathogenic
bacteria to
human and fish namely,
Pseudomonas aeruginosa ,
Escherichia coli ,
Staphylococcus aureus ,
Staphylococcus epidermidis ,
Streptococcus iniae ,
Serratia spp.
Citrobacter spp.
Stenotrophomonas spp.
Bacillus spp. and
Salmonella spp. The bacterial percentage frequency of occurrence in
Silver carp and Mahseer fish showed
Pseudomonas aeruginosa 21.42%,
Staphylococcus epidermidis 17.85%,
Escherichia coli 11.90%,
Staphylococcus aureus 9.52%,
Citrobacter spp. 9.52%,
Serratia spp. 8.33%,
Streptococcus iniae 7.14%,
Stenotrophomonas spp. 5.95%,
Bacillus spp. 4.76% and
Salmonella spp. 3.57%. The study revealed that Fish samples of Mahseer and
Silver carp that were collected from markets have found more isolates (10 bacterial species) than did the fresh fish
pond samples (03 bacterial species) of hatcheries. The occurrence of pathogenic
bacteria in study fish showed
risk factor for
public health consumers.
Resumo O peixe é a principal fonte de
proteína animal para a
alimentação humana. O objetivo deste estudo foi descobrir a
prevalência de
bactérias patogênicas de dois
peixes economicamente importantes selecionados do
Paquistão , nomeadamente Mahseer (Tor putitora) e carpa prateada (Hypophthalmichthys molitrix). Amostras de
peixes vivos de incubatórios e amostras de
peixes mortos de diferentes mercados da área de estudo foram coletadas aleatoriamente. As amostras de
peixes foram analisadas quanto ao
isolamento , identificação e
prevalência de
bactérias . As
bactérias isoladas dos
peixes do estudo foram identificadas através de testes bioquímicos e cerca de 10 espécies de
bactérias patogênicas foram identificadas incluindo as
bactérias patogênicas para
humanos e
peixes , nomeadamente,
Pseudomonas aeruginosa ,
Escherichia coli ,
Staphylococcus aureus ,
Staphylococcus epidermidis ,
Streptococcus iniae ,
Serratia spp.
Citrobacter spp.
Stenotrophomonas spp.
Bacillus spp. e
Salmonella spp. A porcentagem de
freqüência de ocorrência bacteriana em carpa prateada e
peixes Mahseer mostrou
Pseudomonas aeruginosa 21,42%,
Staphylococcus epidermidis 17,85%,
Escherichia coli 11,90%,
Staphylococcus aureus 9,52%,
Citrobacter spp. 9,52%,
Serratia spp. 8,33%,
Streptococcus iniae 7,14%,
Stenotrophomonas spp. 5,95%,
Bacillus spp. 4,76% e
Salmonella spp. 3,57%. O estudo revelou que as amostras de
peixes de Mahseer e carpa prateada coletadas nos mercados encontraram mais isolados (10 espécies bacterianas) do que as amostras de
peixes frescos (03 espécies bacterianas) de incubatórios. A ocorrência de
bactérias patogênicas nos
peixes do estudo apresentou
fator de risco para consumidores de
saúde pública .