The Microbiology of Sea-Water Fish

Shewan, J. M.

doi:10.1016/b978-0-12-395569-2.50020-0

Cited by 130 publications

(98 citation statements)

References 115 publications

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“…It is known that Pseudomonas dominates at low temperatures because they exhibit a relatively lower generation time under aerobic iced storage [27]. High populations of Micrococcus bacteria in this study also agree with earlier findings which indicate that gram positive bacteria micro flora such as Micrococcus dominates on fish from tropical waters [23].…”

Section: Discussionsupporting

confidence: 91%

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Shelflife of whole fresh lake Malawi tilapia (Oreochromis species - Chambo) stored in ice

Kapute¹,

Likongwe²,

Kang'ombe³

et al. 2013

AJFAND

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Lake Malawi Tilapia (chambo) fish species is widely consumed and forms the most important commercial fishery in Lake Malawi. However, as a highly perishable commodity, knowledge regarding how long fresh fish would remain in acceptable and safe condition in storage is indispensable for consumers and processors. Presently, no such information exists for the Lake Malawi Tilapia in Malawi. A study was therefore conducted to estimate shelflife of whole fresh Lake Malawi Tilapia stored in ice (0 o C) for 21 days. Sensory, microbiological and pH analyses were conducted to describe changes in quality and freshness of the fish with storage time in ice. Shelflife of the fish was estimated between 16 and 18 days. A strong linear correlation (R 2 =0.95) was observed between sensory demerit scores and storage time in ice. Total bacteria viable counts and pH at the time of sensory rejection of the fish were 1.6×10 7 cfu/g/cm 2 and 5.84 respectively. Pseudomonas and Micrococcus bacteria were found in relatively high numbers throughout the storage period. The study demonstrated that like other tropical fish, Lake Malawi Tilapia has a relatively longer shelflife. The long storage life in ice of Lake Malawi Tilapia is advantageous to most small scale fresh fish sellers and processors especially from rural areas in Malawi who solely depend on ice as a sole and affordable way of preserving fresh fish.

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Section: Discussionsupporting

confidence: 91%

“…It would be necessary therefore to encourage fish sellers to eviscerate their fish before ice storage to reduce bacterial load. Values reported in this study were however lower than earlier reported [23]. The results were nevertheless similar to other studies [2].…”

Section: Discussionsupporting

confidence: 87%

Shelflife of whole fresh lake Malawi tilapia (Oreochromis species - Chambo) stored in ice

Kapute¹,

Likongwe²,

Kang'ombe³

et al. 2013

AJFAND

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“…hydrophila the intestinal flora of striped bass was similar to that of most marine fishes: Vibrio, Pseudomonas, the Achromobacter/Alcaligenes group, and Flavobacterium are predominant (Shewan, 1961;Colwell, 1962;Aiso et al, 1968;Newman et al, 1972). The frequency of A .…”

Section: Discussionmentioning

confidence: 92%

“…Moreover, the gut flora varies seasonally, both quantitatively and qualitatively. Several species of bacteria are opportunistic pathogens, and produce disease when fish are stressed (Shewan, 1961;Wedemeyer, 1974;Williams et al, 1974;Sindermann, 1978).…”

Section: Introductionmentioning

confidence: 99%

Quantitative and Qualitative Studies of Gut Flora in Striped Bass From Estuarine and Coastal Marine Environments

MacFariane¹,

McLaughlin²,

Bullock³

1986

Journal of Wildlife Diseases

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Examination of the intestinal contents of 130 striped bass (Morone suxattlis) collected from the Hudson River and Long Island Sound during May to October 1981 showed that opportunistic fish pathogens-especially Aeromonas hydrophtla-predominated in samples from both locations. Other isolates from both groups of striped bass included Vibrio, pseudomonads, flavobacteria, Alcaligenes, and enterics. Small numbers of Micrococcus, Bucillus, Corynebacterium, and Acinetobacter were also isolated. Total numbers of bacteria in the intestines were 100 to 1,O00 times higher in striped bass from the Hudson River than in those from Long Island Sound.

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“…And the presence of a lot of bacteria in a diges tive tract especially in the intestines has been recognized by a great number of researchers (Liston 1956;Shewan 1961;Mattheis 1966a, b, c and d;Ozaki 1972).…”

mentioning

confidence: 99%