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	1.	The influence of intramammary antibiotic treatment, presence of bacteria, stage of lactation and parity in dairy goats as measured by the California Milk Cell Test and somatic cell counts. [electronic resource] by Karzis, J Donkin, E F Petzer, I M Producer: 20071011 In: The Onderstepoort journal of veterinary research vol. 74 Availability: No items available. Save to lists Add to cart (remove)
	2.	Sensitivity and specificity of a hand-held milk electrical conductivity meter compared to the California mastitis test for mastitis in dairy cattle. [electronic resource] by Fosgate, G T Petzer, I M Karzis, J Producer: 20131209 In: Veterinary journal (London, England : 1997) vol. 196 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Intramammary antibiotics in dairy goats: effect of stage of lactation, parity and milk volume on withdrawal periods, and the effect of treatment on milk compositional quality. [electronic resource] by Karzis, J Donkin, E F Petzer, I M Producer: 20071126 In: The Onderstepoort journal of veterinary research vol. 74 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Withdrawal periods and tissue tolerance after intramammary antibiotic treatment of dairy goats with clinical mastitis. [electronic resource] by Karzis, J Donkin, E F Petzer, I M Producer: 20080612 In: The Onderstepoort journal of veterinary research vol. 74 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Intramammary antibiotics in dairy goats: withdrawal periods of three intramammary antibiotics compared to recommended withdrawal periods for cows. [electronic resource] by Karzis, J Donkin, E F Petzer, I M Producer: 20071126 In: The Onderstepoort journal of veterinary research vol. 74 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Fluctuations in the glucose level of cow's milk from normal and subclinically diseased udders. [electronic resource] by Giesecke, W H Durand, A M Petzer, I M Producer: 19840918 In: The Onderstepoort journal of veterinary research vol. 51 Availability: No items available. Save to lists Add to cart (remove)
	7.	Congenital cardiac defects in two closely related Jersey calves. [electronic resource] by Penrith, M L Bastianello, S S Petzer, I M Producer: 19950609 In: Journal of the South African Veterinary Association vol. 65 Availability: No items available. Save to lists Add to cart (remove)
	8.	[Tissue reactions and residues in slaughter cattle after administration of long-acting oxytetracycline formulations]. [electronic resource] by Petzer, I M van Staden, J J Giesecke, W H Producer: 19841213 In: Journal of the South African Veterinary Association vol. 55 Availability: No items available. Save to lists Add to cart (remove)
	9.	Cyclic fluctuations in acetone concentrations in the blood and milk of clinically healthy dairy cows. [electronic resource] by Winterbach, H E Apps, P J Giesecke, W Petzer, I M Producer: 19941201 In: The Onderstepoort journal of veterinary research vol. 60 Availability: No items available. Save to lists Add to cart (remove)
	10.	Microbiological quality of goat's milk obtained under different production systems. [electronic resource] by Kyozaire, J K Veary, C M Petzer, I M Donkin, E F Producer: 20051017 In: Journal of the South African Veterinary Association vol. 76 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Trends in udder health and emerging mastitogenic pathogens in South African dairy herds. [electronic resource] by Petzer, I-M Karzis, J Watermeyer, J C van der Schans, T J van Reenen, R Producer: 20090813 In: Journal of the South African Veterinary Association vol. 80 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Intramammary antibiotic withdrawal periods for dairy goats compared to those for dairy cattle. [electronic resource] by Petzer, I M Donkin, E F Du Preez, E Karzis, J Van Der Schans, T J Watermeyer, J C Van Reenen, R Producer: 20090102 In: The Onderstepoort journal of veterinary research vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Value of tests for evaluating udder health in dairy goats: somatic cell counts, California Milk Cell Test and electrical conductivity. [electronic resource] by Petzer, I M Donkin, E F Du Preez, E Karzis, J van der Schans, T J Watermeyer, J C van Reenen, R Producer: 20090427 In: The Onderstepoort journal of veterinary research vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Intramammary infection rate during the dry period in cows that received blanket dry cow therapy: efficacy of 6 different dry-cow intra-mammary antimicrobial products. [electronic resource] by Petzer, I-M Lourens, D C van der Schans, T J Watermeyer, J C van Reenen, R Rautenbach, G H Thompson, P Producer: 20090813 In: Journal of the South African Veterinary Association vol. 80 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	Different distribution of antimicrobial resistance genes and virulence profiles of Staphylococcus aureus strains isolated from clinical mastitis in six countries. [electronic resource] by Monistero, V Barberio, A Biscarini, F Cremonesi, P Castiglioni, B Graber, H U Bottini, E Ceballos-Marquez, A Kroemker, V Petzer, I M Pollera, C Santisteban, C Veiga Dos Santos, M Bronzo, V Piccinini, R Re, G Cocchi, M Moroni, P Producer: 20200715 In: Journal of dairy science vol. 103 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)