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BASIC RESEARCH JOURNALS OF AGRICULTURAL SCIENCE AND REVIEW ISSN 2315-6880
 

Basic Research Journal of Agricultural Science and Review ISSN 2315-6880 Vol. 7(4), pp. 25-34 June 2019 Copyright© 2018 Basic Research Journals

International Scientific Indexing (Impact Factor (0.401))

Thompson Reuters ResearchersID A-9294-2018

 

Full Length Research Paper
 

Invitro susceptibility and cure rate of Staphylococcus aureus bovine mastitis under treatment with intramammary antimicrobials in the Mid Rift Valley of Ethiopia

 

Abdela Edao*1 and Ashebr Abraha2

 

1Oromia Agricultural Research Institute, Adami Tulu Research Center

2Haramaya University, College of Veterinary Medicine

 

*Corresponding author email: 1 dama812@gmail.com, 2abraha.ashebr@yahoo.com

 

Received 13 April, 2019; Accepted 01 May, 2019; Published 04July, 2019

 

Abstract

 

Antimicrobial therapy of mastitis is one of the costliest factors for dairy farms. Though various in-vitro susceptibility studies on isolates of Staphylococcus aureus from bovine mastitis showed a trend of increasing resistance to antimicrobials, there is still lack of information on the relationship between in-vitro susceptibility results and therapeutic bacteriological cure of the bacteria. This study was conducted with the objectives of characterizing invitro susceptibility of S. aureus and its association with bacteriological cure of bovine mastitis caused by Staphylococcus aureus. Out of the total 50 isolates, susceptibility range of 66.7- 71.9%, 61.1-65.6% and 59.4- 61.1% was found for amoxicillin, oxacillin and cefoxitin, respectively. Amongst quarters treated with intramammary infusion, higher bacteriological cure (p<0.05) was observed in subclinical mastitis (82.4%) than in clinical mastitis (29.4%). A positive linear relationship (p<0.05) was revealed between in-vitro susceptibility of antibiotics used for the treatment of mastitis (ampicillin and oxacillin) and bacteriological cure of S. aureus. Generally, in-vitro susceptibility test result showed a positive linear relationship with bacteriological cure of mastitis though lower cure rate was observed in clinical mastitis than subclinical.

 

Keywords: Bovine, Meki, Staphylococcus aureus, Susceptibility test, Treatment

 

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Basic Research Journal of Business Management and Accounts.

Basic Research Journal of Education Research and Review.

Basic Research Journal of Medicine and Clinical Sciences.

Basic Research Journal of Social and Political Sciences.

J. Agric. Sci. Rev

Vol.7 No 4

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