ANTIBIOTIC RESISTANCE AND VIRULENCE GENES IN STREPTOCOCCUS AGALACTIAE ISOLATED FROM BOVINE SUBCLINICAL MASTITIS CASES
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Date
2011
Authors
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Publisher
Anand Agricultural University, Anand
Abstract
Mastitis is the most important and expensive disease of dairy industry. It
results in severe economic losses from reduced milk production, treatment cost,
increased labor, milk withheld following treatment and premature culling (Miller et
al., 1993). This disease is characterized by physical, chemical and bacteriological
changes in the milk and pathological changes in the glandular tissue of the udder. The
most important changes in the milk include discoloration, presence of clots and
presence of large number of leukocytes. The US National Mastitis Council estimated
an overall worldwide annual loss of 2 billion dollar due to mastitis (Anonymous,
2005). The annual economic losses due to mastitis in India have been estimated to be
7165 crores (Basal and Gupta, 2010). Generally mastitis occurs in two forms i.e.,
clinical or
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Keywords
Veterinary Microbiology, Study