Analysis of indoor and outdoor aeromycoflora in two broiler farms of Barpeta, Assam, India

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Research Paper 03/01/2024
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Analysis of indoor and outdoor aeromycoflora in two broiler farms of Barpeta, Assam, India

Eushah Ali, Salma Parbin, Chiranjit Baruah
Int. J. Biosci.24( 1), 28-38, January 2024.
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Abstract

The present study was conducted from January, 2022 to June, 2022 to analyze the aeromycoflora in indoor and outdoor environment in broiler farms of Howly and Mandia, Barpeta district of Assam, India. The gravity petriplate exposure method was used for trapping of indoor and outdoor mycoflora using PDA (Potato Dextrose Agar) media.  During the study period a total of 1239 and 1169 fungal colonies were isolated from the indoor and outdoor environment of Howly broiler farm respectively and  a total of 941 and 887 fungal colonies were isolated from indoor and outdoor environment of Mandia broiler farm respectively. A total of 17 fungal species belonging to 9 genera and 16 fungal species belonging to 9 genera were isolated from indoor and outdoor environment of Howly broiler farm respectively while a total of 15 fungal species belonging to 9 genera and 16 fungal species belonging to 9 genera were isolated from indoor and outdoor environment of Mandia broiler farm respectively. The number and types of fungal species varied with season and farms. Aspergillus fumigatus was the most dominating fungal species isolated from the indoor and outdoor environment of both the farms and the least dominating fungal species isolated were Nigrospora sp. and Verticillium sp. The maximum number of fungal colonies was recorded in the month of June and the minimum was in January 2022. Meteorological factors viz. Temperature, relative humidity etc. play a vital role in the composition and concentrations of aeromycoflora. The isolated fungal species may produce mycotoxins which can cause occupation-related illnesses to the farm workers and the broiler chicken.

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