Stochastic modelling to evaluate the economic efficiency of treatment of chronic subclinical mastitis

W. Steeneveld, H. Hogeveen, B.H.P. van den Borne, J.M. Swinkels

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic


Treatment of subclinical mastitis is traditionally no common practice. However, some veterinarians regard treatment of some types of subclinical mastitis to be effective. The goal of this research was to develop a stochastic Monte Carlo simulation model to support decisions around treatment of chronic subclinical mastitis caused by Streptococcus uberis. Factors in the model include, amongst others, the probability of spontaneous cure, probability of the cow becoming clinically diseased, transmission of infection to other cows, cure rate under treatment and physiological effects of the infection. The average economic damage (with basic input parameters for the Dutch circumstances) of an untreated chronic subclinical mastitis case caused by S. uberis is € 88. With a short (3 day) treatment, the average damage was higher. For the average cow, treatment is not economical efficient. Sensitivity analysis showed that this might depend on some specific cow and farm factors. Moreover, the spread of economic damage indicates that the risk of a high damage is much higher when a cow with chronic subclinical mastitis is not treated
Original languageEnglish
Title of host publicationProceedings of the 11th Symmposium of the International Society for Veterinary Epidemiology and Economics : ISVEE 9, Breckenridge, Colorado, 2000 / M.D. Salman, Paul S. Morley and Rebecca Ruch-Gallie
Place of PublicationCairns, Australia
Number of pages4
Publication statusPublished - 2006


  • dairy farming
  • mastitis
  • subclinical mastitis
  • monte carlo method
  • simulation models
  • streptococcus uberis
  • disease control


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