The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. II. Dynamics of intramammary infections

Veterinary Quarterly

Volumn 19, Issue 2, 1997, Pages 47-53

  Lam, T J G M ^a   van Vliet, J H ^a   Schukken, Y H ^a   Grommers, F J ^a   van Velden Russcher, A ^a   Barkema, H W ^b   Brand, A ^a  

^a UTRECHT UNIVERSITY   (Netherlands)

^b Animal Health Service Drachten   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; BACTERIAL INFECTION; CATTLE; CELL COUNT; CYTOLOGY; DISINFECTION; FEMALE; INCIDENCE; LACTATION; MASTITIS; MICROBIOLOGY; MILK; NETHERLANDS;

ANIMALS; BACTERIAL INFECTIONS; CATTLE; CELL COUNT; DISINFECTION; FEMALE; INCIDENCE; LACTATION; MASTITIS; MILK; NETHERLANDS;

ESCHERICHIA COLI; STAPHYLOCOCCUS AUREUS;

EID: 0031159828     PISSN: 01652176     EISSN: 18755941     Source Type: Journal    
DOI: 10.1080/01652176.1997.9694739     Document Type: Article

References (17)

1. Brooks BW, and Barnum DA. The susceptibility ofbovine udder quarters colonized with Corynebacteriurn bovis to experimental infection with Staphylococcus aureus or Streptococcus agalactiae. Can J Comp Med 1984; 48: 146–50.
2. Erskine RJ, Eberhart RJ, Hutchinson LJ, and Spencer SB. Herd management and prevalence of mastitis in dairy herds with high and low somatic cell counts. J Am Vet Med Assoc 1987; 190: 1411–6.
3. Grommers FJ, Geer D van de, and Veen CAA in ‘t. Duration of bovine intramammary infections in commercial dairy herds. Vet Rec 1985; 116: 581–4.
4. Hoblet KH, Bailey JS, and Pritchard DE. Coagulase-positive staphylococcal mastitis in a herd with low somatic cell counts. J Am Vet Med Assoc 1988; 192: 777–80.
5. Hogan JS, White DG, and Pankey JW. Effects of teat dipping on intramammary infections by staphylococci other than Staphylococcus aureus. J Dairy Sci 1987; 70: 873–9.
6. Hogan JS, Smith KL, Todhunter DA, and Schoenberger PS. Rate of environmental mastitis in quarters infected with Corynebacterium bovis and Staphylococcus species. J Dairy Sci 1988; 71: 2520–5.
7. Hogan JS, Galton DM, Harmon RJ, Nickerson SC, Oliver SP, and Pankey JW. Protocols for evaluating efficacy of postmilking teat dips. J Dairy Sci 1990; 73: 2580–5.
8. Lam TJGM, Vliet JH van, Schukken YH, Grommers FJ, Velden-usscher A van, Barkema HW, and Brand A. The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. I. Incidence of clinical mastitis. Veterinary Quarterly 1997; 19: 41–7.
9. Linde C. The effect of coagulase-negative staphylococci in the cows udder on experimental induction of mastitis and on milk production. PhD Thesis. Swedish University of Agricultural Science, Uppsala, Sweden. 1982.
10. Nickerson SC, Watts JL, Boddie RL, and Ray CH. Effect of postmilking teat antisepsis on teat canal infections in lactating dairy cows. J Dairy Sci 1990; 73: 373–80.
11. Nickerson SC, and Boddie RL. Effect of naturally occurring coagulase-negative staphylococcal infections on experimental challenge with major mastitis pathogens. J Dairy Sci 1994; 77: 2526–36.
12. Nordhaug ML, Nesse LL, Norcross NL, and Gudding R. A field trial with an experimental vaccine against Staphylococcus aureus mastitis in cattle. II. Antibody response. J Dairy Sci 1994; 77: 1276–84.
13. Rainard P, and Poutrel B. Effect of naturally occurring intramammary infections by minor pathogens on new infections by major pathogens in cattle. Am J Vet Res 1988; 49: 327–9.
14. Rothman KJ. Modern epidemiology. Little, Brown and Co., Boston MA, USA. 1986.
15. Schukken YH, Grommers FJ, Geer D van de, and Brand A. Incidence of clinical mastitis on farms with low somatic cell counts in bulk milk. Vet Rec 1989; 125: 60–2.
16. Schukken YH, Geer D van de, Grommers FJ, Smit JAH, and Brand A. Intramammary infections and risk factors for clinical mastitis in herds with low somatic cell counts in bulkmilk. Vet Rec 1989; 125: 393–6.
17. Schukken YH, Grommers FJ, Geer D van de, Erb HN, and Brand A. Risk factors for clinical mastitis in herds with a low bulk milk somatic cell count. II. Risk factors for Escherichia coli and Staphylococcus aureus. J Dairy Sci 1991; 74: 826–32.