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Measuring the economic impact of improved control of sub-clinical mastitis in Irish dairy herds

Published online by Cambridge University Press:  08 January 2015

E. J. DILLON ,
T. HENNESSY  and
J. CULLINAN
E. J. DILLON*
Affiliation:
Rural Economy and Development Programme Teagasc, Athenry, Co. Galway, Ireland
T. HENNESSY
Affiliation:
Rural Economy and Development Programme Teagasc, Athenry, Co. Galway, Ireland
J. CULLINAN
Affiliation:
Department of Economics, National University of Ireland, Galway, Ireland
*
*To whom all correspondence should be addressed. Email: Emma.Dillon@teagasc.ie
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Summary

Improvements in milk quality are important if the Irish dairy industry is to grow sustainably and retain a competitive advantage in a post-quota environment. In this regard, superior animal health has an important role to play. In order to reduce the costs of disease and to improve best practice it is important to demonstrate the economic gains achievable from improved dairy herd health. Elevated levels of somatic cell count (SCC) are an indicator of the prevalence of clinical and sub-clinical mastitis in dairy herds. Nationally representative farm-level data for Ireland (2008–2011) and panel data methods are used here to consider the independent effect of herd-level SCC (an annual weighted average figure based on monthly milk bulk tank readings) on both milk yield and gross margin per cow. Results indicate a 2% reduction in productivity for farms with SCC above 400 (‘000 cells/ml), while a reduction in bulk tank SCC from 400 to 300 (‘000 cells/ml) for the average herd (55 cows) results in an annual increase in gross margin of €1045. The impact of a range of herd management practices on SCC is also considered, with such practices shown to be important in influencing animal health.

Type
Modelling Animal Systems Research Papers
Information
The Journal of Agricultural Science , Volume 153 , Issue 4 , May 2015 , pp. 666 - 675
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Copyright
Copyright © Cambridge University Press 2015 

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