Seasonal size distribution, condition status and muscle yield of Mediterranean horse mackerel Trachurus mediterraneus from the North Aegean Sea, Greece

Tzikas, Z.; Ambrosiadis, Ioannis; Soultos, N.; Georgakis, S.

doi:10.1111/j.1444-2906.2007.01354.x

Cited by 9 publications

(6 citation statements)

References 33 publications

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“…The increased of ponderal index values during reproductive activity was also reported on family Characidae at Brazil river floodplain (Lizama and Ambrósio 2002), Trachurus mediterraneus in the Aegean Sea (Tzikas et al 2007), Johnius belangerii in Mayangan beach, Indonesia (Rahardjo and Simanjuntak 2008), Sardinella atricauda in Kendari Bay, Indonesia (Asriyana 2015), Pseudorhombus triocellatus in Parangipettai Coast, India (Bharadhirajan et al 2019). This phenomenon can be understood as during the time of spawning, the main energy source used for gonadal development and spawning (Lizama and Ambrósio 2002) resulting in the increased values of Gonado Somatic Index (GSI) and ponderal index.…”

Section: Discussionsupporting

confidence: 67%

Length-weight relationships and ponderal index of three reef fish (Teleostei: Labridae) off the Tanjung Tiram coast, Southeast Sulawesi, Indonesia

Asriyana¹,

Irawati²,

Halili³

2020

Biodiversitas

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Abstract. Asriyana A, Irawati N, Halili H. 2020. Length-weight relationships and ponderal index of three reef fish (Teleostei: Labridae) off the Tanjung Tiram coast, Southeast Sulawesi, Indonesia. Biodiversitas 21: 1279-1286. Parameters of length-weight relationship and ponderal index were estimated for first time for three reef fish (Labridae), Cheilinus trilobatus, Cheilinus chlorourus, and Choerodon anchorago, off the Tanjung Tiram coast, Indonesia. A total of 292 specimens (C. trilobatus 146 specimens; C. chlorourus 100 specimens; C. anchorago 46 specimens) were collected monthly in experimental gillnets in coral reefs and seagrass beds from January to June 2018. The length-weight relationship and ponderal index were calculated for each species. C. trilobatus showed total length and weight of 9.0-17.2 cm and 12.33-78.79 g, respectively, while C. chlorourus was 8.5-17.5 cm and 10.41-100.21 g, and C. anchorago 9.0-27.0 cm and 18.51-414.00 g. C. trilobatus showed negative allometric growth, while C. chlorourus and C. anchorago had isometric growth. The length-weight relationship of C. trilobatus followed the linear equation of W=0.10TL2.35, while C. chlorourus and C. anchorago fit to W=0.03TL2.83; W=0.03TL2.91 respectively. The highest ponderal index occurred in May for C. trilobatus and in June for C. chlorourus and C. anchorago indicating a peak of the spawning season. The study results could be used as baseline information for future fisheries management of the area.

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Section: Discussionsupporting

confidence: 67%

Length-weight relationships and ponderal index of three reef fish (Teleostei: Labridae) off the Tanjung Tiram coast, Southeast Sulawesi, Indonesia

Asriyana¹,

Irawati²,

Halili³

2020

Biodiversitas

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“…These bacterial isolates are classified into two groups: indigenous and post-harvest bacteria. Previous studies have also demonstrated the presence of indicator microorganisms of fecal pollution, opportunistic and pathogenic bacteria to humans in fish (Tsai et al, 2002;Ferreira and Pinho, 2006;Tzikas et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Microbiological quality of frozen raw and undercooked Nile tilapia (Oreochromis niloticus) fillets and food safety practices of fish handlers in Arba Minch town, SNNPR, Ethiopia

Teka¹,

NÃ¶lkes²,

Getachew³

et al. 2017

J. Vet. Med. Anim. Health

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The study was designed to assess the microbiological quality of Nile tilapia (Oreochromis niloticus) fillets and food safety practices of fish handlers in Arba Minch town, SNNPR, Ethiopia. A questionnaire survey was conducted to assess the food safety practices of fish handlers. The microbiological quality of frozen raw and undercooked (Asa leb-leb) tilapia fillets was assessed by determining the total plate count and isolating hygiene indicator bacteria that is, Escherichia coli and other major foodborne pathogens that is, Salmonella spp. and Staphylococcus aureus. Among interviewed fish handlers, 32.6% and 55.8% were not found to use overcoat and hair cover, respectively. Moreover, 30.2% of the fish handlers didn't take training regarding sanitary handling of fish food. The highest mean bacterial count was observed in frozen raw tilapia fillet sample (4.63x106 cfu/g), which was significantly (p=0.037) different from undercooked tilapia fillet (4.92x103 cfu/g). From 40 frozen raw samples of tilapia fillet examined, 42.5% had E. coli, 7.5% had Salmonella spp. and 65% had S. aureus. In contrast, from 40 undercooked samples of tilapia fillet examined, 7.5% had E. coli and 17.5% had S. aureus whilst Salmonella spp. was not detected. A significant (p=0.000) difference in frequency of bacterial isolates were also observed between frozen raw and undercooked tilapia fillet. Generally, the study revealed that there was a gap on food safety practices and high microbial profile were observed. Hence, it could be wise to advice the government to improve the food safety practices and quality standards of fish sold in the town.

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“…Previous studies have also demonstrated the presence of indicator microorganisms of fecal pollution, opportunistic and pathogenic bacteria to humans in fish [8,9,10,11,12].…”

Section: Introductionmentioning

confidence: 99%

Incidence of indicator organisms, opportunistic and pathogenic bacteria in fish

Mhango¹,

Mpuchane²,

Mpuchane³

2010

African Journal of Food, Agriculture, Nutrition and Development

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Fish is an excellent source of high quality protein; however, it is susceptible to microbial spoilage. Fish carries high microbial load on the surface of the skin, in the intestine and in the gills. In Botswana, fishermen catch fish and sell their products in the open market. The microbiological quality and safety of these street vended fish have always been contentious. Therefore, a study on fish sold in Gaborone, Botswana was conducted from July 2006 to January 2007. Tilapia from the supermarkets and tilapia and catfish from street vendors were analyzed for the microbial load, presence of indicator microorganisms, opportunistic and pathogenic bacteria using conventional microbiological methods. Though coliforms were found in 84% of fish from the street vendors, only 16% of the fish had coliforms above the acceptable limits (3 log 10 CFU/g). No Escherichia coli were isolated. Bacteria which are associated with plants, animals and soils but are normally classified as coliforms because of their biochemical reactions to sugars such as Citrobacter species, Klebsiella species including the enteropathogen Salmonella species were isolated. Fresh water or tap water is not available where vendors degut the fish. Hence, they carry water in containers to the point of sale sites and use it repeatedly. The unsanitary water (8.7 log 10 CFU/ml of bacteria) used during the gutting of tilapia on the streets influenced the microbial levels in the fish, which were 6.0 log 10 CFU/g compared to the 3.90 log 10 CFU/g of ungutted whole tilapia from the same sale points. Frozen tilapia from supermarkets also had high bacterial counts (4.8 log 10 CFU /g). Staphylococcus species were isolated frequently in all fish analyzed. Salmonella arizonae, Salmonella paratyphi (22-40%) was only isolated in street vended fish. Other bacterial isolates from fish included Citrobacter brackii, Citrobacter freundii, Enterobacter sakazakii, Enterobacter cloacae, Vibrio cholorae, Proteus mirabilis, Proteus vulgaris, Klebsiella pneumoniae and Aeromonas hydrophila. The presence of diverse enteric bacteria indicated the degree of cross contamination from the handlers. Their presence represents a potential hazard to humans, especially the immunocompromised consumers such as cases of HIV/AIDS. Stringent regulations on registration of fishermen, traders, education and mandatory observance of sanitation at trading points and use of ice have to be enforced to ensure safety of fish consumption.

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Seasonal size distribution, condition status and muscle yield of Mediterranean horse mackerel Trachurus mediterraneus from the North Aegean Sea, Greece

Cited by 9 publications

References 33 publications

Length-weight relationships and ponderal index of three reef fish (Teleostei: Labridae) off the Tanjung Tiram coast, Southeast Sulawesi, Indonesia

Length-weight relationships and ponderal index of three reef fish (Teleostei: Labridae) off the Tanjung Tiram coast, Southeast Sulawesi, Indonesia

Microbiological quality of frozen raw and undercooked Nile tilapia (Oreochromis niloticus) fillets and food safety practices of fish handlers in Arba Minch town, SNNPR, Ethiopia

Incidence of indicator organisms, opportunistic and pathogenic bacteria in fish

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