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235446

PREVALENCE OF FUNGI AND TOXIGENIaTY OF A. FLAVUS AND A. OCHRACEUSISOLATES RECOVERED FROM FEEDS AND THEIR CONTROL

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Last updated: 24 Dec 2024

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Abstract

Two hundred samples of single feeds (yellow corn, soyabean, wheat, hay and bbin) and compound feeds (poultry ration, processed animal feeds, broiler concentrates, layers concentrates and meat and bone meal); 20 samples from each, were screened for fungal contamination. The most predominant genus was Aspergilus which was isolated from all samples. Other moulds were isolated, but in low frequency as Fenkillium sp., Filmdom sp., Cladospotium sp. and Alternaria sp.The isolated A. flavus and A. ochraceus were tested for production of aflatoxin 81 and ochratoxin A, respectively. The results of aflatoxin 81 production by A. !lavas isolated from different feeds revealed that the higher Incidence of toxigenic A. liavus was recorded from layers concentrates (50%), followed by broilers concentrates and hay(40%), whereas, A. Pavus isolated from soyabean and poultry ration samples represented low incidence (12.5% and 10%), respectively. The results of ochratoxln A production by A. ochracees Isolated from different feeds revealed that the higher incidence of toxigenic A. ochramus was reported from poultry ration (100%), followed by processed animal feeds, broilers concentrates and yellow corn (50%), whereas, the incidence of toxigenic A. ochraceus isolated from hay and layers concentrate samples showed low incidence (25%) for both. Evaluation of 2 commercial antifungals by plate assay revealed that MIC of MuvĀ­Anti mould and mycostatin was 0.75 and 1.0 pg/m1 for all fungi isolated from feeds. Following the addition of MW- Anti Mould to mouldy poultry rations, the fungal population was decreased after 2 days of treatment, and completely inactivated after 1 week. The antimycotoxin (Sat F. Dray) eliminated aflatoxin 81 and ochratoxin A, when added to contaminated feeds at a concentration between 2 and 3%.

DOI

10.21608/ejar.2006.235446

Authors

First Name

RASHA H.

Last Name

SAYED-ELAHL

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Affiliation

Animal Health Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

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First Name

ATEF A.

Last Name

HASSAN

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Affiliation

Animal Health Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

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First Name

ABDEL-AZEM M.

Last Name

EL BARAWY

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Affiliation

Animal Health Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

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First Name

RAMADAN T. M.

Last Name

SALEM

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Affiliation

Animal Health Research Institute, Agricultural Research Center, Dokki, Giza, Egypt

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First Name

WAEL M.

Last Name

TAWAKKOL

MiddleName

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Affiliation

Faculty of Pharmacy, Cairo University, Giza, Egypt

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Orcid

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First Name

HOSAM A.

Last Name

ABDEL-LATEIF

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Affiliation

Faculty of Pharmacy, Cairo University, Giza, Egypt

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First Name

MOHAMED K.

Last Name

REFAI

MiddleName

-

Affiliation

Faculty of Veterinary Medicine, Cairo University, Giza, Egypt

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Volume

84

Article Issue

4

Related Issue

33286

Issue Date

2006-12-01

Receive Date

2006-01-30

Publish Date

2006-12-01

Page Start

1,303

Page End

1,318

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_235446.html

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https://ejar.journals.ekb.eg/service?article_code=235446

Order

26

Type

Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

PREVALENCE OF FUNGI AND TOXIGENIaTY OF A. FLAVUS AND A. OCHRACEUSISOLATES RECOVERED FROM FEEDS AND THEIR CONTROL

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Article

Created At

22 Jan 2023