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CITE
R.R. Khesar, A.G. Karpe and N.N. Zade
.(2008). "Virulence Characteristics and Plasmid Profiles of Staphylococcus from Milk and Fishes". Journal of Veterinary Public Health, Vol. 06 Issue 1. Page No: 33-36
Virulence Characteristics and Plasmid Profiles of Staphylococcus from Milk and Fishes
Page No. : 33-36
ABSTRACT
A total of 75 raw milk and 75 fresh water fish samples were studied for the presence of Staphylococci. A total of 26 isolates, 17 from raw milk and 9 from fish were obtained. Isolates were identified as Staphylococcus aureus (9), Staph. intermedius (9) and Staph. hyicus (5) and rest 3 were staphylococci with variable results. Out of 26 isolates, 11 produced haemolysin, 23 coagulase, 25 DNAse, 17 clumping factor, 20 gelatinase, 25 catalase and 9 were exfoliation reaction (Nikolsky sign) positive. Only one out of 26 isolates was without any plasmid, whereas remaining 25 isolates possessed 1 to 4 plasmid(s) with molecular weight between 3.90 kb to 14.29 kb.Keywords: Fish, Nikolsky sign, plasmid, raw milk