Mastitis-causing streptococci are important contributors to bacterial counts in raw bulk tank milk

Journal of Food Protection

Volumn 67, Issue 12, 2004, Pages 2644-2650

  Zadoks, R N ^a   Gonzalez R N ^a   Boor, K J ^a   Schukken, Y H ^a  

^a Cornell University ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROCOCCUS; AEROCOCCUS VIRIDANS; BACTERIA (MICROORGANISMS); NEGIBACTERIA; STAPHYLOCOCCUS; STREPTOCOCCUS; STREPTOCOCCUS AGALACTIAE; STREPTOCOCCUS UBERIS;

EID: 10344236506     PISSN: 0362028X     EISSN: None     Source Type: Journal    
DOI: 10.4315/0362-028X-67.12.2644     Document Type: Article

References (24)

1. Boor, K. J., D. P. Brown, S. C. Murphy, S. M. Kozlowski, and D. K. Bandler. 1998. Microbiological and chemical quality of raw milk in New York State. J. Dairy Sci. 81:1743-1748.
2. Bramley, A. J. 1982. Sources of Streptococcus uberis in the dairy herd. I. Isolation from bovine faeces and from straw bedding of cattle. J. Dairy Res. 49:369-373.
3. Devriese, L. A., J. Hommez, H. Laevens, B. Pot, P. Vandamme, and F. Haesebrouck. 1999. Identification of aesculin-hydrolyzing streptococci, lactococci, aerococci and enterococci from subclinical intramammary infections in dairy cows. Vet. Microbiol. 70:87-94.
4. Dinsmore, R. P., P. B. English, R. N. Gonzalez, and P. M. Sears. 1992. Use of augmented cultural techniques in the diagnosis of the bacterial cause of clinical bovine mastitis. J. Dairy Sci. 75:2706-2712.
5. Dogan, B., and K. J. Boor. 2004. Short communication: growth characteristics of Streptococcus uberis in UHT-treated milk. J. Dairy Sci. 87:813-815.
6. Evans, J. B. 1985. Genus Aerococcus, p. 1080. In P. H. A. Sneath, N. S. Mair, M. E. Shapre, and J. G. Holt (ed.), Bergey's manual of systematic bacteriology. Williams & Wikins, Baltimore.
7. Farnsworth, R. J. 1993. Microbiologic examination of bulk tank milk. Vet. Clin. North Am. Food Anim. Pract. 9:469-474.
8. Goldberg, J., J. W. Pankey, P. A. Drechsler, P. A. Murdough, and D. B. Howard. 1991. An update survey of bulk tank milk quality in Vermont. J. Food Prot. 54:549-553.
9. Gonzalez, R. N., D. E. Jasper, R. B. Bushnell, and T. B. Farver. 1986. Relationship between mastitis pathogen numbers in bulk tank milk and bovine udder infections in California dairy herds. J. Am. Vet. Med. Assoc. 189:442-445.
10. Hayes, M. C., R. D. Ralyea, S. C. Murphy, N. R. Carey, J. M. Scarlett, and K. J. Boor. 2001. Identification and characterization of elevated microbial counts in bulk tank raw milk. J. Dairy Sci. 84: 292-298.
11. Jayarao, B. M., and D. R. Wolfgang. 2003. Bulk-tank milk analysis - a useful tool for improving milk quality and herd udder health. Vet. Clin. North Am. Food Anim. Pract. 19:75-92.
12. Khaitsa, M. L., T. E. Wittum, K. L. Smith, J. L. Henderson, and K. H. Hoblet. 2001. Characteristics and management practices associated with milk production in dairy herds in Ohio enrolled in official Dairy Herd Improvement Association programs. Am. J. Vet. Res. 62: 1262-1265.
13. McKinnon, C. H., G. J. Rowlands, and A. J. Bramley. 1990. The effect of udder preparation before milking and contamination from the milking plant on bacterial numbers in bulk milk of eight dairy herds. J. Dairy Res. 57:307-318.
14. Murdough, P. A., K. E. Deitz, and J. W. Pankey. 1996. Effects of freezing on the viability of nine pathogens from quarters with subclinical mastitis. J. Dairy Sci. 79:334-336.
15. National Mastitis Council. 1999. Laboratory handbook on bovine mastitis. National Mastitis Council, Madison, Wis.
16. Peeler, J. T., J. W. Messer, R. L. Sanders, and H. K. Bachelor. 1989. A Comparison of preliminary incubation counts and standard plate counts of grade a farm bulk tank milk from eleven states. Dairy Food Environ. Sanit. 9:494-497.
17. Saran, A. 1995. Disinfection in the dairy parlour. Rev. Sci. Tech. OIE 14:207-224.
18. Sawant, A. A., S. R. Pillai, and B. M. Jayarao. 2002. Evaluation of five selective media for isolation of catalase-negative Gram-positive cocci from bulk tank milk. J. Dairy Sci. 85:1127-1132.
19. Schukken, Y. H., F. J. Grommers, J. A. Smit, D. Vandegeer, and A. Brand. 1989. Effect of freezing on bacteriologic culturing of mastitis milk samples. J. Dairy Sci. 72:1900-1906.
20. U.S. Department of Health and Human Services. 2001. Grade "A" pasteurized milk ordinance, 2001 revision, publication no. 229. Public Health Service, Food and Drug Administration, Washington, D.C.
21. Van Schaik, G., M. Lotem, and Y. H. Schukken. 2002. Trends in somatic cell counts, bacterial counts, and antibiotic residue violations in New York State during 1999-2000. J. Dairy Sci. 85:782-789.
22. Villanueva, M. R., J. W. Tyler, and M. C. Thurmond. 1991. Recovery of Streptococcus agalactiae and Staphylococcus aureus from fresh and frozen bovine milk. J. Am. Vet. Med. Assoc. 198:1398-1400.
23. Wilson, D. J., R. N. Gonzalez, and H. H. Das. 1997. Bovine mastitis pathogens in New York and Pennsylvania: prevalence and effects on somatic cell count and milk production. J. Dairy Sci. 80:2592-2598.
24. Zadoks, R. N., B. E. Gillespie, H. W. Barkema, O. C. Sampimon, S. P. Oliver, and Y. H. Schukken. 2003. Clinical, epidemiological and molecular characteristics of Streptococcus uberis infections in dairy herds. Epidemiol. Infect. 130:335-349.