Impact of Prototheca Mastitis on Bulk Tank Somatic Cell Count and Standard Plate Count

Authors

  • Rubén N. Gonzalez Quality Milk Promotion Services, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850
  • Gary J. Bennett Quality Milk Promotion Services, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850
  • Sharon A. Sickles Quality Milk Promotion Services, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850
  • Debra St. Hilaire Quality Milk Promotion Services, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850
  • Daryl V. Nydam Quality Milk Promotion Services, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850

DOI:

https://doi.org/10.21423/aabppro19985741

Keywords:

Prototheca spp, intramammary infections, environmental mastitis pathogen, prepasteurized milk quality, algae

Abstract

Prototheca spp are achlorophyllic algae that are ubiquitous in soil and aqueous habitats.1,6 Prototheca zopfii, mainly, and P wickerhamii have been reported as etiologic agents of intramammary infections (IMI) in cows.1,2,4,7,8 Prototheca generally behaves as an environmental mastitis pathogen, but it can be spread from cow to cow during milking.4,8

This is a preliminary report about the impact of Prototheca mastitis on prepasteurized milk quality in two northern New York State dairy herds.

Cover image of the 31st Conference Proceedings: A photo of Dr. Eric I. and Mrs. Mary Williams smiling in golden light. Yellow background.

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Published

1998-09-24

Issue

1998

Section

Research Summaries - Dairy I & II

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