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Abstract

The aim of this study was to compare the effects of cryopreservation at approximately -196°C in liquid nitrogen (N) and freezing at approximately -20°C in a freezer, on the viability and survival of eight different mastitogenic bacteria inoculated in milk. Bacteria were frozen at approximately...

Author(s)
Petzer, I. M.; Karzis, J.; Schans, T. J. van der; Watermeyer, J. C.; Mitchell-Innes, N.; Eloff, S.; Fosgate, G. T.
Publisher
Onderstepoort Veterinary Institute, Onderstepoort, South Africa
Citation
Onderstepoort Journal of Veterinary Research, 2012, 79, 1, pp Article 2
AbstractFull Text

The aim of this study was to retrospectively analyse the results of milk samples obtained from South African dairy herds during the period 1996 to April 2007 in order to identify possible trends in isolates of microorganisms and their pathogenicity under field conditions. Milk samples were obtained ...

Author(s)
Petzer, I. M.; Karzis, J.; Watermeyer, J. C.; Schans, T. J. van der; Reenen, R. van
Publisher
South African Veterinary Association, Pretoria, South Africa
Citation
Journal of the South African Veterinary Association, 2009, 80, 1, pp 17-22
Abstract

Screening tests for mastitis can play an important role in proactive mastitis control programs. The primary objective of this study was to compare the sensitivity and specificity of milk electrical conductivity (EC) to the California mastitis test (CMT) in commercial dairy cattle in South Africa...

Author(s)
Fosgate, G. T.; Petzer, I. M.; Karzis, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Journal, 2013, 196, 1, pp 98-102

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