Effect of Premilking and Postmilking Teat Dipping in Control of Subclinical Mastitis in Dairy Cattle
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Date
2017-04
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Abstract
Mastitis, in either of its two forms; clinical (CM) and subclinical (SCM), represents a
prominent hazard to dairy producers (Oliver et al., 2003). This hazard may exceed the limit
of economical losses due to dropped milk production and culling out of lactating dairy cows
(Waage et al., 2001), as it may represent a food safety issue due to contamination of milk
with different mastitis pathogens that may represent an imminent human pathogenic burden.
Thus, proper control of mastitis in dairy herd is considered an indispensable process to ensure
both animal health and food (milk) safety. For this, numerous control programs have been
developed over the last few decades (Fetrow et al., 1991), and despite the massive
development in mastitis control techniques, mastitis still constitutes the main problem of
dairy production (Bhutto et al., 2012). Among these controlling regimes, teat dipping has
acquired great importance as an essential mastitis preventive tool (Hassan et al., 2009). Teat
dipping has been demonstrated to be highly effective at preventing new intramammary
infections with different mastitis pathogens (Hogan et al., 1987). While premilking teat
dipping is necessary to reduce the microbial population and minimize new intra mammary
infections, postmilking teat dipping has been used mainly in highly infected herds (Contreras
et al., 2003), and it has been revealed also as a very effective tool to prevent mastitis
incidence. However, recent researches have revealed that not all types of mastitis causing
pathogens are responding the same to teat dipping (Osteras et al., 2008).
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Keywords
Veterinary Science, Dairy Cattle