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A STUDY OF SUBCLINICAL MASTITIS IN TWO HERDS, ONE MANAGED ORGANICALLY, THE OTHER CONVENTIONALLY, AND THE EFFECT OF DIFFERENT MANAGEMENT STRATEGIES

Thatcher, A.; Petrovski, K.; Shadbolt, N. and Martin, N. (2014) A STUDY OF SUBCLINICAL MASTITIS IN TWO HERDS, ONE MANAGED ORGANICALLY, THE OTHER CONVENTIONALLY, AND THE EFFECT OF DIFFERENT MANAGEMENT STRATEGIES. In: Building Organic Bridges, Johan Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 823-826.

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Summary

Mastitis in two herds managed as a comparison between organic and conventional dairy farming systems was monitored for 9 years utilising regular bacterial culture of milk samples, individual and bulk somatic cell counts and observation by farm staff. The most important isolates in pure cultures were coagulase-negative staphylococci, Staphylococcus aureus, Streptococcus uberis, and Bacillus spp. Positive cultures were generally not associated with subclinical mastitis. The objective was to develop strategies for the control of mastitis in organic cows without the use of antibiotics. 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.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:bulk milk somatic cell count
Agrovoc keywords:
LanguageValueURI
EnglishMastitishttp://aims.fao.org/aos/agrovoc/c_4644
EnglishOrganic agriculturehttp://aims.fao.org/aos/agrovoc/c_15911
Englishmanagementhttp://aims.fao.org/aos/agrovoc/c_16086
Subjects: Animal husbandry > Production systems > Dairy cattle
Animal husbandry > Health and welfare
Research affiliation: International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
New Zealand > Massey University
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Thatcher, Mr Alan
ID Code:23568
Deposited On:06 Jan 2016 09:46
Last Modified:06 Jan 2016 09:46
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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