Email this article Designing and Evaluation of Skin Extract Agar for Isolation of Microflora from Raw Buffalo Hide
Abstract
Abstract
Present study was aimed to design nutrient medium most suitable for isolation and enumeration of microbial flora associated with raw buffalo hide. Skin extract agar (SEA) was designed and standardized on the basis of its chemical analysis. SEA and nutrient medium supplemented with skin extract was inoculated with buffalo hide wash. Total viable count as well as diversity of microbial colonies were enumerated on SEA as well as on nutrient agar and standard plate count agar both supplemented with skin extract (1% v/v). Bacterial strains forming diverse types of colonies on the media tested were identified on the basis of their 16S rRNA gene sequences. The SEA was found to yield higher number of bacteria and to support growth of Acinetobacter, Exiguobacterium and Stenotrophomonas which otherwise difficult to selectively isolate from buffalo hide using nutrient agar and standard plate count agar. Diversity of microbial colonies formed on SEA was significantly higher than that observed on nutrient agar or standard plate count agar. Feasibility of utilizing SEA as a microbiological medium for isolation and identification of microflora from raw buffalo hide was successfully demonstrated. Use of skin extract medium can maximize recovery of taxonomically distinct bacteria from raw buffalo hide. This basic study, with proper manipulations could lead to development of product for enumeration and isolation of bacteria from buffalo hides especially cattle pathogens related to skin diseases.
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DOI: https://doi.org/10.5195/iioablett.2013.20
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