Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows

The objective of this study was to use probabilistic sensitivity analysis to evaluate the cost-effectiveness of using an on-farm culture (OFC) approach to the treatment of clinical mastitis in dairy cows and compare this to a ‘standard’ treatment approach. A specific aim was to identify the herd cir...

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Main Authors: Down, P.M., Bradley, Andrew J., Breen, J.E., Green, Martin J.
Format: Article
Published: Elsevier 2017
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Online Access:https://eprints.nottingham.ac.uk/44172/
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author Down, P.M.
Bradley, Andrew J.
Breen, J.E.
Green, Martin J.
author_facet Down, P.M.
Bradley, Andrew J.
Breen, J.E.
Green, Martin J.
author_sort Down, P.M.
building Nottingham Research Data Repository
collection Online Access
description The objective of this study was to use probabilistic sensitivity analysis to evaluate the cost-effectiveness of using an on-farm culture (OFC) approach to the treatment of clinical mastitis in dairy cows and compare this to a ‘standard’ treatment approach. A specific aim was to identify the herd circumstances under which an OFC approach would be most likely to be cost-effective. A stochastic Monte Carlo model was developed to simulate 5000 cases of clinical mastitis at the cow level and to calculate the associated costs simultaneously when treated according to 2 different treatment protocols; i) a 'conventional' approach (3 tubes of intramammary antibiotic) and ii) an OFC programme, whereby cows are treated according to the results of OFC. Model parameters were taken from recent peer reviewed literature on the use of OFC prior to treatment of clinical mastitis. Spearman rank correlation coefficients were used to evaluate the relationships between model input values and the estimated difference in cost between the standard and OFC treatment protocols. The simulation analyses revealed that both the difference in the bacteriological cure rate due to a delay in treatment when using OFC and the proportion of Gram-positive cases that occur on a dairy unit would have a fundamental impact on whether OFC would be cost-effective. The results of this study illustrated that an OFC approach for the treatment of clinical mastitis would probably not be cost-effective in many circumstances, in particular, not those in which Gram-positive pathogens were responsible for more than 20% of all clinical cases. The results highlight an ethical dilemma surrounding reduced use of antimicrobials for clinical mastitis since it may be associated with financial losses and poorer cow welfare in many instances.
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spelling nottingham-441722020-05-04T19:06:34Z https://eprints.nottingham.ac.uk/44172/ Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows Down, P.M. Bradley, Andrew J. Breen, J.E. Green, Martin J. The objective of this study was to use probabilistic sensitivity analysis to evaluate the cost-effectiveness of using an on-farm culture (OFC) approach to the treatment of clinical mastitis in dairy cows and compare this to a ‘standard’ treatment approach. A specific aim was to identify the herd circumstances under which an OFC approach would be most likely to be cost-effective. A stochastic Monte Carlo model was developed to simulate 5000 cases of clinical mastitis at the cow level and to calculate the associated costs simultaneously when treated according to 2 different treatment protocols; i) a 'conventional' approach (3 tubes of intramammary antibiotic) and ii) an OFC programme, whereby cows are treated according to the results of OFC. Model parameters were taken from recent peer reviewed literature on the use of OFC prior to treatment of clinical mastitis. Spearman rank correlation coefficients were used to evaluate the relationships between model input values and the estimated difference in cost between the standard and OFC treatment protocols. The simulation analyses revealed that both the difference in the bacteriological cure rate due to a delay in treatment when using OFC and the proportion of Gram-positive cases that occur on a dairy unit would have a fundamental impact on whether OFC would be cost-effective. The results of this study illustrated that an OFC approach for the treatment of clinical mastitis would probably not be cost-effective in many circumstances, in particular, not those in which Gram-positive pathogens were responsible for more than 20% of all clinical cases. The results highlight an ethical dilemma surrounding reduced use of antimicrobials for clinical mastitis since it may be associated with financial losses and poorer cow welfare in many instances. Elsevier 2017-09-15 Article PeerReviewed Down, P.M., Bradley, Andrew J., Breen, J.E. and Green, Martin J. (2017) Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows. Preventive Veterinary Medicine, 145 . pp. 91-99. ISSN 1873-1716 Mastitis On-farm culture Cost-effectiveness Treatment Probabilistic sensitivity analysis http://www.sciencedirect.com/science/article/pii/S0167587717302684 doi:10.1016/j.prevetmed.2017.07.006 doi:10.1016/j.prevetmed.2017.07.006
spellingShingle Mastitis
On-farm culture
Cost-effectiveness
Treatment
Probabilistic sensitivity analysis
Down, P.M.
Bradley, Andrew J.
Breen, J.E.
Green, Martin J.
Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title_full Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title_fullStr Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title_full_unstemmed Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title_short Factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
title_sort factors affecting the cost-effectiveness of on-farm culture prior to the treatment of clinical mastitis in dairy cows
topic Mastitis
On-farm culture
Cost-effectiveness
Treatment
Probabilistic sensitivity analysis
url https://eprints.nottingham.ac.uk/44172/
https://eprints.nottingham.ac.uk/44172/
https://eprints.nottingham.ac.uk/44172/