Injectable organic and inorganic selenium in dairy cows – Effects on milk, blood and somatic cell count levels

by Gert M. Ferreira, Inge-Marie Petzer
Published 2019-10-01

Prevalence of mastitis pathogens in South African pasture-based and total mixed ration-based dairies during 2008 and 2013

by David Blignaut, Peter Thompson, Inge-Marié Petzer
Published 2018-05-01

Antimicrobial resistance patterns and biofilm formation of coagulase-negative Staphylococcus species isolated from subclinical mastitis cow milk samples submitted to the Onderstepo...

by Lufuno Phophi, Inge-Marie Petzer, Daniel Nenene Qekwana
Published 2019-11-01

Proactive udder health management in South Africa and monitoring of antibiotic resistance of <i>Staphylococcus aureus</i> in dairy herds from 2001 to 2010

by Joanne Karzis, Inge-Marie Petzer, Edward F. Donkin, Vinny Naidoo
Published 2018-05-01

A pathogen-specific approach towards udder health management in dairy herds: Using culture and somatic cell counts from routine herd investigations

by Inge-Marié Petzer, Joanne Karzis, Edward F. Donkin, Edward C. Webb
Published 2016-08-01

Prevalence and antimicrobial drug resistance of Staphylococcus aureus isolated from cow milk samples

by Matlale Phriskey Mphahlele, James Wabwire Oguttu, Inge-Marie Petzer, Daniel Nenene Qekwana
Published 2020-12-01

A cost-benefit model comparing the California Milk Cell Test and Milk Electrical Resistance Test

by Inge-Marie Petzer, Joanne Karzis, Isabel A. Meyer, Theodorus J. van der Schans
Published 2013-04-01

Climatic and regional antibiotic resistance patterns of Staphylococcus aureus in South African dairy herds

by Joanne Karzis, Inge-Marie Petzer, Edward F. Donkin, Vinny Naidoo, Eric M.C. Etter
Published 2019-07-01

Surveillance of Antibiotic Resistance of Maltose-Negative <i>Staphylococcus aureus</i> in South African Dairy Herds

by Joanne Karzis, Inge-Marié Petzer, Edward F. Donkin, Vinny Naidoo, Eric M.C. Etter
Published 2020-09-01

Validity of somatic cell count as indicator of pathogen-specific intramammary infections

by Inge-Marié Petzer, Joanne Karzis, Edward F. Donkin, Edward C. Webb, Eric M.C. Etter
Published 2017-04-01

Somatic cell count thresholds in composite and quarter milk samples as indicator of bovine intramammary infection status

by Inge-Marié Petzer, Joanne Karzis, Edward F. Donkin, Edward C. Webb, Eric M.C. Etter
Published 2017-03-01

Comparing effects of freezing at -196 °C and -20 °C on the viability of mastitis pathogens

by Inge-Marie Petzer, Joanne Karzis, Theodorus J. van der Schans, Johanna C. Watermeyer, Norman Mitchell-Innes, Stephanie Eloff, Geoffrey T. Fosgate
Published 2012-02-01

Staphylococcus aureus Isolates from Bovine Mastitis in Eight Countries: Genotypes, Detection of Genes Encoding Different Toxins and Other Virulence Genes

by Valentina Monistero, Hans Ulrich Graber, Claudia Pollera, Paola Cremonesi, Bianca Castiglioni, Enriqueta Bottini, Alejandro Ceballos-Marquez, Laura Lasso-Rojas, Volker Kroemker, Nicole Wente, Inge-Marie Petzer, Carlos Santisteban, Jeff Runyan, Marcos Veiga dos Santos, Bruna Gomes Alves, Renata Piccinini, Valerio Bronzo, Mohamed Salah Abbassi, Meriam Ben Said, Paolo Moroni
Published 2018-06-01