A SURVEY ON PREVALENCE RATE OF AFLATOXIGENIC SPECIES OF ASPERGILLUS AND RESIDUES OF AFLATOXINS BY ELISA METHOD IN RAINBOW TROUT FEEDS IN TEHRAN AND WEST AZARBAYJAN PROVINCES - IRAN

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EBRAHIMI MOHAMMADI K.; RAZAVILAR V.

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Journal: JOURNAL OF COMPARATIVE PATHOBIOLOGY IRAN Year:2011 | Volume:8 | Issue:1 Page(s): 385-393

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Title

A SURVEY ON PREVALENCE RATE OF AFLATOXIGENIC SPECIES OF ASPERGILLUS AND RESIDUES OF AFLATOXINS BY ELISA METHOD IN RAINBOW TROUT FEEDS IN TEHRAN AND WEST AZARBAYJAN PROVINCES - IRAN

Author(s)

EBRAHIMI MOHAMMADI K. | RAZAVILAR V. | Issue Writer Certificate

Keywords

ASPERGILLUSQ2

AFLATOXINQ2

ELISAQ2

RAINBOW TROUT FEEDQ2

Abstract

In this research 96 samples of Rainbow Trout fish feed, during the seasons of spring and summer of 2007 (every fifteenth of the month) were rondomized (by simple and stratified rondoms) to determine:1. The prevalence rate of aflatoxigenic species of ASPERGILLUS in stored feed of cold-water cultural fish in West Azarbayjan cultural fish farms in both seasons (spring and summer);2. The residues of total AFLATOXIN in stored feed of fish in cultural fish farms of West Azarbayjan in both seasons by ELISA method; and 3. The residues of that toxin in feed produced in aquatic feed factories in Tehran and West Azarbyjan provinces with the same method.In order to study prevalence rate of toxigenic species of ASPERGILLUS, standard No.997 of Iranian Standard Inistitute, were used. The produced colonies were examined microscopically. To determine the AFLATOXINs residues, ELISA method using Agra-Quant kit of Romer lab. Company, were applied.The results of this survey indicated that only 8.3% of the samples were infected by A. flavus. A. parasiticus was not observed. There were no significant differences between the prevalence rate of AFT and seasons/monthes, either (P<0.05).Evaluating mean of AFLATOXIN rate showed that the rates of this variable are lower than the tolerance levels designated by the joint FAO/WHO expert committee. Furthermore, mean of total AFT residues rates of stored feed of various cultural center of West Azarbayjan and Tehran factories were comparable in spring and summer, and no significant differences were observed (P<0.05). But there were significant differences between the total AFLATOXIN rates in the feed of W. Azarbayjan factory and spring and summer (P<0.05), and AFT residues in spring (8.6 ppb) were higher than summer (6.1 ppb).In conclusion, the finally results of this survey indicated that the lower rates of ASPERGILLUS is not effective on the presence of total AFLATOXIN rates in trout feed. Due to low levels of AFLATOXIN rates (lower than 20 ppb), the produced feed of cold-cultural fishes, Rainbow Trout, in Tehran and West Azarbayjan provinces, in spring and summer of 2007, were safe and healthy both for fish and their consumers.

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APA: Copy

EBRAHIMI MOHAMMADI, K., & RAZAVILAR, V.. (2011). A SURVEY ON PREVALENCE RATE OF AFLATOXIGENIC SPECIES OF ASPERGILLUS AND RESIDUES OF AFLATOXINS BY ELISA METHOD IN RAINBOW TROUT FEEDS IN TEHRAN AND WEST AZARBAYJAN PROVINCES - IRAN. JOURNAL OF COMPARATIVE PATHOBIOLOGY IRAN, 8(1), 385-393. SID. https://sid.ir/paper/197287/en

Vancouver: Copy

EBRAHIMI MOHAMMADI K., RAZAVILAR V.. A SURVEY ON PREVALENCE RATE OF AFLATOXIGENIC SPECIES OF ASPERGILLUS AND RESIDUES OF AFLATOXINS BY ELISA METHOD IN RAINBOW TROUT FEEDS IN TEHRAN AND WEST AZARBAYJAN PROVINCES - IRAN. JOURNAL OF COMPARATIVE PATHOBIOLOGY IRAN[Internet]. 2011;8(1):385-393. Available from: https://sid.ir/paper/197287/en

IEEE: Copy

K. EBRAHIMI MOHAMMADI, and V. RAZAVILAR, “A SURVEY ON PREVALENCE RATE OF AFLATOXIGENIC SPECIES OF ASPERGILLUS AND RESIDUES OF AFLATOXINS BY ELISA METHOD IN RAINBOW TROUT FEEDS IN TEHRAN AND WEST AZARBAYJAN PROVINCES - IRAN,” JOURNAL OF COMPARATIVE PATHOBIOLOGY IRAN, vol. 8, no. 1, pp. 385–393, 2011, [Online]. Available: https://sid.ir/paper/197287/en

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