Cow, farm, and management factors during the dry period that determine the rate of clinical mastitis after calving

Journal of Dairy Science

Volumn 90, Issue 8, 2007, Pages 3764-3776

  Green, M J ^a,b   Bradley, A J ^c   Medley, G F ^d   Browne, W J ^a  

^a UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^b UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^c UNIVERSITY OF BRISTOL   (United Kingdom)

^d UNIVERSITY OF WARWICK   (United Kingdom)

Author keywords

Bayesian multilevel model; Dairy cow; Dry period; Mastitis

Indexed keywords

BOS;

EID: 35748945412     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2007-0107     Document Type: Article

References (39)

1. Berry, E., and J. E. Hillerton. 2002. The effect of an intramammary teat seal on new intramammary infections. J. Dairy Sci. 85:2512-2520.
2. Bradley, A. J., and M. J. Green. 2000. A study of the incidence and significance of intramammary enterobacterial infections acquired during the dry period. J. Dairy Sci. 83:1957-1965.
3. Bradley, A. J., and M. J. Green. 2001. An investigation of the impact of intramammary antibiotic dry cow therapy on clinical coliform mastitis. J. Dairy Sci. 84:1632-1639.
4. Bradley, A. J., and M. J. Green. 2004. The importance of the non-lactating period in the epidemiology of intramammary infection and strategies for prevention. Vet. Clin. North Am. Food Anim. Pract. 20:547-568.
5. Bradley, A. J., J. N. Huxley, and M. J. Green. 2002. A rational approach to dry cow therapy. II. Making logical treatment decisions. In Pract. 25:12-17.
6. Bradley, A. J., K. A. Leach, J. E. Breen, L. E. Green, and M. J. Green. 2007. A survey of the incidence rate and aetiology of mastitis on dairy farms in England and Wales. Vet. Rec. 160:253-258.
7. Browne, W. J., and D. Draper. 2006. A comparison of Bayesian and likelihood-based methods for fitting multilevel models. Bayesian Anal. 1:473-514.
8. Dingwell, R. T., K. E. Leslie, Y. H. Schukken, J. M. Sargeant, L. L. Timms, T. F. Duffield, G. P. Keefe, D. F. Kelton, K. D. Lissemore, and J. Conklin. 2004. Association of cow and quarter-level factors at drying-off with new intramammary infections during the dry period. Prev. Vet. Med. 30:75-89.
9. Dohoo, I. R., W. Martin, and H. Stryhn. 2003. Veterinary Epidemio-logic Research. AVC Inc., Charlottetown, Canada.
10. Dohoo, I. R., and A. H. Meek. 1982. Somatic cell counts in bovine milk. Can. Vet. J. 23:119-125.
11. Ellis, W. A., J. J. O'Brien, D. G. Bryson, and D. P. Mackie. 1985. Bovine leptospirosis: Some clinical features of serovar Hardjo infection. Vet. Rec. 117:101-104.
12. Collett, D. 1994. Modelling Survival Data in Medical Research. CRC Press, Boca Raton, FL.
13. Gelman, A., X. L. Meng, and H. Stern. 1996. Posterior predictive assessment of model fitness via realized discrepancies. Stat. Sinica 6:733-807.
14. Gilks, W. R., S. Richardson, and D. J. Spiegelhalter. 1996. Markov Chain Monte Carlo in Practice. Chapman and Hall, London, UK.
15. Goldstein, H. 1995. Multilevel Statistical Models. 2nd ed. Edward Arnold, London, UK.
16. Green, M. J., P. R. Burton, L. E. Green, Y. H. Schukken, A. J. Bradley, E. J. Peeler, and G. F. Medley. 2004. The use of Markov chain Monte Carlo for analysis of correlated binary data: Patterns of somatic cells in milk and the risk of clinical mastitis in dairy cows. Prev. Vet. Med. 64:157-174.
17. Green, M. J., L. E. Green, A. J. Bradley, P. R. Burton, Y. H. Schukken, and G. F. Medley. 2005. Bacterial isolates in the dry bovine mammary gland: Prevalence and associations. Vet. Rec. 156:71-77.
18. Green, M. J., L. E. Green, G. F. Medley, Y. H. Schukken, and A. J. Bradley. 2002a. Influence of dry period bacterial intramammary infection on clinical mastitis in dairy cows. J. Dairy Sci. 85:2589-2599.
19. Green, M. J., J. N. Huxley, and A. J. Bradley. 2002b. A rational approach to dry cow therapy. I. Background and current perspectives. In Pract. 24:582-587.
20. Green, M. J., K. A. Leach, J. E. Breen, L. E. Green, and A. J. Bradley. 2007. A national intervention study of mastitis control on dairy herds in England and Wales. Vet. Rec. 160:287-293.
21. Guitian, F. J., F. J. Garcia-Pena, J. Oliveira, M. L. Sanjuan, and E. Yus. 2001. Serological study of the frequency of leptospiral infections among dairy cows in farms with suboptimal reproductive efficiency in Galicia, Spain. Vet. Microbiol. 80:275-284.
22. Hogan, J., and L. K. Smith. 2003. Coliform mastitis. Vet. Res. 34:507-519.
23. Huijps, K., and H. Hogeveen. 2007. Stochastic modeling to determine the economic effects of blanket, selective, and no dry cow therapy. J. Dairy Sci. 90:1225-1234.
24. Huxley, J. N., M. J. Green, L. E. Green, and A. J. Bradley. 2002. Evaluation of the efficacy of an internal teat sealer during the dry period. J. Dairy Sci. 85:551-561.
25. National Mastitis Council. 1999. Laboratory Handbook on Bovine Mastitis. National Mastitis Council Inc., Madison, WI.
26. Neave, F. K., F. H. Dodd, and E. Henriques. 1950. Udder infections in the dry period. J. Dairy Res. 17:37-49.
27. Oliver, S. P., and B. A. Mitchell. 1983. Susceptibility of the bovine mammary gland to infections during the dry period. J. Dairy Sci. 66:1162-1166.
28. Paganelli, R., A. Di Iorio, A. Cherubini, F. Lauretani, C. Mussi, S. Volpato, M. Abate, G. Abate, and L. Ferrucci. 2006. Frailty of older age: The role of the endocrine-immune interaction. Curr. Pharm. Des. 12:3147-3159.
29. Rajala-Schultz, P. J., J. S. Hogan, and K. L. Smith. 2005. Association between milk yield at dry-off and probability of intramammary infections at calving. J. Dairy Sci. 88:577-579.
30. Rasbash, J., W. J. Browne, M. Healy, B. Cameron, and C. Charlton. 2005. MLwiN Version 2.02, Multilevel Models Project. Institute of Education, University of London, London, UK.
31. Robert, A., H. Seegers, and N. Bareille. 2006. Incidence of intramammary infections during the dry period without or with antibiotic treatment in dairy cows - A quantitative analysis of published data. Vet. Res. 37:25-48.
32. Smith, K. L., D. A. Todhunter, and P. S. Schoenberger. 1985. Environmental pathogens and intramammary infection during the dry period. J. Dairy Sci. 68:402-417.
33. Spiegelhalter, D. J., N. G. Best, B. P. Carlin, and A. van der Linde. 2002. Bayesian measures of model complexity and fit (with discussion). J. R. Stat. Soc. Ser. B Stat. Methodol. 64:583-640.
34. Spiegelhalter, D. J., A. Thomas, and N. Best. 2004. WinBUGS Version 1.4.1. MRC Biostatistics Unit, Cambridge, UK.
35. Suriyasathaporn, W., C. Heuer, E. N. Noordhuizen-Stassen, and Y. H. Schukken. 2000. Hyperketonemia and the impairment of udder defense: A review. Vet. Res. 31:397-412.
36. Todhunter, D. A., K. L. Smith, J. S. Hogan, and P. S. Schoenberger. 1991. Gram-negative bacterial infections of the mammary gland in cows. Am. J. Vet. Res. 52:184-188.
37. Weng, N. P. 2006. Aging of the immune system: How much can the adaptive immune system adapt? Immunity 24:491-494.
38. Whist, A. C., O. Østerås, and L. Sølverød. 2006. Clinical mastitis in Norwegian herds after a combined selective dry-cow therapy and teat-dipping trial. J. Dairy Sci. 89:4649-4659.
39. Yang, M., and H. Goldstein. 2003. Modelling survival data in MLwiN 1.20. Centre for Multilevel Modelling, Institute of Education, University of London, London, UK.