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Antimicrobial-based dry cow therapy approaches for cure and prevention of intramammary infections: a protocol for a systematic review and meta-analysis

Published online by Cambridge University Press:  02 August 2018

Mohamed Afifi Open the ORCID record for Mohamed Afifi [Opens in a new window] ,
Fidèle Kabera ,
Henrik Stryhn ,
Jean-Philippe Roy ,
Luke C. Heider ,
Sandra Godden ,
William Montelpare ,
Javier Sanchez  and
Simon Dufour
Mohamed Afifi*
Affiliation:
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada Department of Animal Wealth Development, Biostatistics, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Ash Sharqia Governorate, 44519, Egypt
Fidèle Kabera
Affiliation:
Département de pathologie et microbiologie, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada Canadian Bovine Mastitis and Milk Quality Research Network, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada
Henrik Stryhn
Affiliation:
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada
Jean-Philippe Roy
Affiliation:
Canadian Bovine Mastitis and Milk Quality Research Network, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada Département de sciences cliniques, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada
Luke C. Heider
Affiliation:
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada
Sandra Godden
Affiliation:
Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA
William Montelpare
Affiliation:
Department of Applied Human Sciences, Faculty of Science, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada
Javier Sanchez
Affiliation:
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada
Simon Dufour
Affiliation:
Département de pathologie et microbiologie, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada Canadian Bovine Mastitis and Milk Quality Research Network, 3200 Sicotte, St-Hyacinthe, QC, J2S 2M2, Canada
*
Author for correspondence: Mohamed Afifi, Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, C1A 4P3, Canada. E-mail: Mafifi@upei.ca and M.afifi@zu.edu.eg
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Abstract

In dairy herds, application of antimicrobials at drying-off is a common mastitis control measure. This article describes a protocol for systematic review and meta-analysis to address three crucial points regarding antimicrobial usage at drying-off: (1) comparative efficacy of antimicrobials used for preventing new and eliminating existing intramammary infections (IMI); (2) comparison of selective and blanket dry cow therapy approaches in preventing new and eliminating existing IMI; and (3) assessment of the extra prevention against new IMI that can be gained from using antimicrobial-teat sealant combinations versus antimicrobials alone. Five PICO (Population, Intervention, Comparator, Outcome) questions were formulated to cover the three objectives of the review. Medline, CAB Abstracts, Web of Science, and conference proceedings will be searched along with iterative screening of references. Articles will be eligible if: (1) published after 1966; (2) written in English or French; and (3) reporting field clinical trials and observational studies, conducted on dairy cows at drying-off, with at least one antimicrobial-treated group and one IMI-related outcome. Authors will independently assess the relevance of titles and abstracts, extract data, and assess bias and the overall quality of evidence. Results will be synthesized and analyzed using pairwise and network meta-analysis. The proposed study will significantly update previously conducted reviews.

Keywords

Antimicrobialdairy cowsdrying-offintramammary infectiontest sealant
Type
Systematic Review
Information
Animal Health Research Reviews , Volume 19 , Issue 1 , June 2018 , pp. 74 - 78
Copyright
Copyright © Cambridge University Press 2018 

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