Production loss due to new subclinical mastitis in Dutch dairy cows estimated with a test-day model

Journal of Dairy Science

Volumn 92, Issue 2, 2009, Pages 599-606

  Halasa, T ^a,b   Nielen, M ^a   De Roos, A P W ^c   Van Hoorne, R ^c   De Jong, G ^c   Lam, T J G M ^b,d   Van Werven, T ^a,d   Hogeveen, H ^a,b  

^a UTRECHT UNIVERSITY   (Netherlands)

^b WAGENINGEN UNIVERSITY   (Netherlands)

^c NRS   (Netherlands)

^d GD ANIMAL HEALTH   (Netherlands)

Author keywords

New case; Production loss; Subclinical mastitis; Test day model

Indexed keywords

BOS;

EID: 59349098814     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2008-1564     Document Type: Article

References (20)

1. De Graaf, T., and R. H. Dwinger. 1996. Estimation of milk production losses due to sub-clinical mastitis in dairy cattle in Costa Rica. Prev. Vet. Med. 26:215-222.
2. De Roos, A. P. W., and G. De Jong. 2006. Genetic parameters of test-day milk urea in Dutch dairy cattle. In Proc. 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil.
3. De Roos, A. P. W., A. G. F. Harbers, and G. De Jong. 2004. Random herd curves in a test-day for milk fat and protein production of dairy cattle in the Netherlands. J. Dairy Sci. 87:2693-2701.
4. Djabri, B., N. Bareille, F. Beaudeau, and H. Seegers. 2002. Quarter milk somatic cell count in infected dairy cows: A meta-analysis. Vet. Res. 33:335-357.
5. Dohoo, I. R., S. W. Martin, and H. Stryhn. 2003. Veterinary Epidemiological Research. Atlantic Veterinary College Inc., Charlottetown, Prince Edward Island, Canada.
6. Green, L. E., Y. H. Schukken, and M. J. Green. 2006. On distinguishing cause and consequence: Do high somatic cell counts lead to lower milk yield or does high milk yield lead to lower somatic cell count. Prev. Vet. Med. 76:74-89.
7. Halasa, T., K. Huijps, O. Østerås, and H. Hogeveen. 2007. Economic effects of bovine mastitis and mastitis management: A review. Vet. Q. 29:18-31.
8. Hamann, J. 2005. Diagnosis of mastitis and indicators of milk quality. Page 82 in Proc. 4th International Mastitis Seminar, IDF, Mastitis in Dairy Production, Current Knowledge and Future Solutions. Wageningen Acad, Publ., Wageningen, the Netherlands.
9. Hillerton, J. E. 1999. Redefining mastitis based on somatic cell count. IDF Bull. 345:4-6.
10. Hortet, P., F. Beaudeau, H. Seegers, and C. Fourichon. 1999. Reduction in milk yield associated with somatic cell counts up to 600 000 cell/mL in French Holstein cows without clinical mastitis. Livest. Prod. Sci. 61:33-42.
11. Hortet, P., and H. Seegers. 1998. Calculated milk production losses associated with elevated somatic cell counts in dairy cows: A review and a critical discussion. Vet. Res. 29:497-510.
12. Jamrozik, J., and L. R. Schaeffer. 1997. Estimates of genetic parameters for a test day model with random regression for yield traits of first-lactation Holsteins. J. Dairy Sci. 80:762-770.
13. Koldeweij, E., U. Emanuelson, and L. Janson. 1999. Relation of milk production loss to milk somatic cell count. Acta Vet. Scand. 40:47-56.
14. Leitner, G., R. Eligulashvily, O. Krifucks, and A. Saran. 2003. Immune cell differentiation in mammary gland tissues and milk of cows chronically infected with Staphylococcus aureus. J. Vet. Med. B 50:45-52.
15. Rajala-Schultz, P. J., Y. T. Gröhn, C. E. McCulloch, and C. L. Guard. 1999. Effects of clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 82:1213-1220.
16. Reksen, O., L. Sølverød, and O. Østerås. 2007. Relationships between milk culture results and milk yield in Norwegian Dairy cattle. J. Dairy Sci. 90:4670-4678.
17. SAS Institute. 2004. User's Guide. SAS Institute Inc., Cary, NC.
18. Schukken, Y. H., D. J. Wilson, F. Welcome, L. Garrison-Tikfsky, and R. Gonzalez. 2003. Monitoring udder health and milk quality using somatic cell count. Vet. Res. 34:579-596.
19. Seegers, H., C. Fourichon, and F. Beaudeau. 2003. Production effects related to mastitis and mastitis economics in dairy cattle herds. Vet. Res. 24:475-491.
20. Swinkels, J. M., H. Hogeveen, and R. N. Zadoks. 2005. A partial budget model to estimate economic benefits of lactational treatment of subclinical Staphylococcus aureus mastitis. J. Dairy Sci. 88:4273-4287.