Association of Milk Somatic Cell Count with Bacteriological Cure of Intramammary Infection—A Review

Jenna Williamson, Todd Callaway, Emmanuel Rollin and Valerie Ryman ()
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Jenna Williamson: Department of Animal and Dairy Science, University of Georgia, Athens, GA 30605, USA
Todd Callaway: Department of Animal and Dairy Science, University of Georgia, Athens, GA 30605, USA
Emmanuel Rollin: Department of Population Health, University of Georgia, Athens, GA 30602, USA
Valerie Ryman: Department of Animal and Dairy Science, University of Georgia, Athens, GA 30605, USA

Agriculture, 2022, vol. 12, issue 9, 1-18

Abstract: Mastitis is a costly disease in dairy cattle as a result of decreased milk production, discarded milk, and other economic drivers such as treatment costs. Although it can be costly, effective antibiotic therapy is useful to ensure the health and productivity of dairy cattle. Antibiotic usage to treat mastitis can be implemented after diagnosis based upon detection of increased milk somatic cell counts (SCC). Previous work demonstrated antibiotic treatment tends to be more effective when milk SCC are lower prior to treatment. An approach to increasing the cure rates of mastitis may be evaluating milk SCC prior to administering treatment. In order to investigate this potential tool, an effective and reliable method to enumerate SCC is critical. In this review, we (a) dissect the different definitions of cure, (b) review the methods available for enumerating SCC, and (c) discuss factors that are associated with intramammary infection cure with an emphasis on SCC.

Keywords: somatic cell count; mastitis; antibiotic treatment; cure; intramammary infection (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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