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Type: Journal article
Title: A study of subclinical mastitis in two herds, one managed organically, the other conventionally, and the effect of different management strategies
Author: Thatcher, A.
Martin, N.
Petrovski, K.
Citation: Organic Agriculture, 2014; 4(4):313-317
Publisher: Springer
Issue Date: 2014
ISSN: 1879-4238
Statement of
Alan Thatcher, Natalia Martin, Kiro R. Petrovski
Abstract: Mastitis in two herds managed as a comparison between organic and conventional dairy farming systems was monitored for 8 years utilising regular bacterial culture of milk samples, individual and bulk somatic cell counts, and observation by farm staff. The aim of the project was to develop strategies for the control of mastitis in organic cows without the use of antibiotics. The most important isolates in pure cultures were coagulase-negative staphylococci, Staphylococcus aureus, Streptococcus uberis and the common contaminant Bacillus spp. Positive cultures were generally not associated with subclinical mastitis. Within a set of key control measures, two management strategies were trialled, one of which reduced the prevalence of subclinical mastitis to very low levels.
Keywords: Mastitis; organic; bulk milk somatic cell count; management
Rights: © Springer Science+Business Media Dordrecht 2014
DOI: 10.1007/s13165-014-0082-2
Appears in Collections:Animal and Veterinary Sciences publications
Aurora harvest 7

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