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  • microbial contamination  (3)
  • trawlers  (3)
  • 1
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    On the relative efficiency of different shaped otter boards (2021)
    In:  http://aquaticcommons.org/id/eprint/16229 | 12051 | 2015-02-13 08:46:15 | 16229 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-01
    Description: Rectangular, horizontal curved and oval otter boards were tested under identical fishing conditions and their relative efficiency ascertained on the basis of towing tension and the horizontal opening of the boards. While the tension in the warps with the different otter boards was not significant, the horizontal curved board gave increased lateral spread to the net.
    Keywords: Fisheries ; otter boards ; gear technology ; trawlers ; gear efficiency
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 53-61
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  • 2
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    The influence of plating technique and incubation temperature on bacterial count from fish and fishery products (2021)
    In:  http://aquaticcommons.org/id/eprint/18361 | 12051 | 2015-10-22 05:52:20 | 18361 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-08
    Description: For bacterial sampling of raw unprocessed fish and frozen fishery products, spread plate method is preferable to pour plate method; incubation of plates at 30°C gives a higher count than incubation at 37°C. Analysis of variance of the data shows that sample variation between different types of fishes is highly significant whereas the variations between triplicate plates are not significant at 5 % level.
    Keywords: Fisheries ; microbiological analysis ; microbial contamination ; fishery products ; quality control ; methodology
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 95-100
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  • 3
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    The effect of increase in the number of fishing trips on the economic efficiency of 9.82 m and 11 m fishing trawlers along Kerala coast (2021)
    In:  http://aquaticcommons.org/id/eprint/18397 | 12051 | 2015-11-04 15:10:08 | 18397 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-08
    Description: Cost-benefit analysis of a 9.82 m and 11 m fishing trawlers based on the number of fishing trips is presented. The number of fishing trips per year determines the profit and loss of the trawler. With the increase in the number of fishing trips, the profit also increase for both the sizes of trawlers. The minimum quantity of prawn and fish to be landed for 0-20% profit for varying number of fishing trips are worked out. The break-even for 9.82 and 11m trawlers was observed to be 185 and 210 fishing trips respectively during 1980-81.
    Keywords: Fisheries ; fishery economics ; trawlers ; cost analysis ; Kerala ; India
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 9-12
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  • 4
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    Correlation of cell numbers with catalase activities of pure strains of bacteria (2021)
    In:  http://aquaticcommons.org/id/eprint/18459 | 12051 | 2015-10-27 16:12:55 | 18459 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-09
    Description: An attempt was made to correlate the catalase production with the actual number of aerobic bacterial cells generating the enzyme: bacteria were obtained from the surface of marine fish. A linear correlation was found between the log of catalase activity and log of bacterial count in single culture.
    Keywords: Fisheries ; fishery products ; microbial contamination ; bacteria ; enzymatic activity
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 146
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  • 5
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    Economic analysis of 22m and 23m deep sea trawlers (2021)
    In:  http://aquaticcommons.org/id/eprint/18485 | 12051 | 2015-10-30 07:31:55 | 18485 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-09
    Description: The cost-benefit analysis of 23m and 22m trawlers operated from Visakhapatnam base is presented. The study indicated that the deep sea fishing in Indian waters is a profitable venture. The profit over capital investment for a 23m trawler worked out to about 18% whereas the same was about 10% for a 22m trawler. Catch per trawling operation, cost of production, productivity per man year, energy yield etc. establish the economic superiority of 23m vessel.
    Keywords: Fisheries ; fishery economics ; trawlers ; deep-sea fisheries ; cost analysis
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 79-82
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  • 6
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    Comparison of media and methods for the detection and enumeration of Clostridium perfringens in seafoods (2021)
    In:  http://aquaticcommons.org/id/eprint/18626 | 12051 | 2015-11-05 21:36:40 | 18626 | Society of Fisheries Technologists, India
    Details
    Publication Date: 2021-07-10
    Description: Three direct plating methods and two most probable number (MPN) procedures were compared for the enumeration of Clostridium perfringens in seafoods the sulfitecycloserine (SC) agar, sulfite-polymyxin-sulfadiazine (SPS) agar, tryptone-sulfite- neomycin (TSN) agar, LS medium MPN procedure and iron milk MPN procedure. Isolates were confirmed as C. perfringens. The two MPN procedures compared very well with the three plating media tested with stock culture of C. perfringens from our laboratory collection and the reference strain NCIB 6125. But in fish samples, the two liquid media were found to be more sensitive and hence the MPN procedure using LS medium for the detection of C. perfringens in seafoods is suggested.
    Keywords: Fisheries ; microbial contamination ; seafood ; quality control ; methodology ; Clostridium perfringens
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 62-66
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