High Prevalence of Subclinical Mastitis and Multidrug Resistant Staphylococcus aureus Are a Threat to Dairy Cattle Production in Kiboga District (Uganda)

Keneth Iceland  Kasozi; John Bosco  Tingiira; Patrick  Vudriko

doi:10.4236/ojvm.2014.44005

Keneth Iceland Kasozi, John Bosco Tingiira, Patrick Vudriko^*

Abstract: Subclinical mastitis (SCM) is one of the major factors affecting the productivity of dairy cattle all over the world. This study established the burden of SCM and determined the potent antibacterial formulation for control of Staphylococcus aureus (SA) related SCM in selected dairy cattle farms in Kiboga district. A total of 124 dairy cattle from 12 farms were screened for SCM using California Mastitis Test (CMT) from Kiboga Town-Council, Kapeke and Lwamata sub-counties. The offending bacteria were cultured and the antibiogram of SA was carried out using antibacterial susceptibility by the modified Kirby-Bauer disc diffusion method. Additional qualitative data on the factors that predispose cows to SCM was obtained through questionnaires and observation of milking Practice. The prevalence of SCM in the three sub-counties was 87.9%. Over 70% of the dairy cattle screened for SCM had more than 2 udder quarters affected. The majority (90%) of SCM was caused by mixed bacterial infections: Coagulase negative staphylococci (64.4%) and SA (16.6%) being the most prevalent. All the farmers (100%) lacked knowledge on SCM, udder towels, teat dipping and drug cow therapy. Overall, 71.4% of SA isolated was multi-drug resistant. There was a high level of resistance against penicillin (100%), neomycin (85.7%) and tetracycline (71.4%). In contrast, all the above isolates were susceptible to Trimethoprim-Sulphamethazole. In conclusion, the high burden of SCM and emergence of multidrug resistant SA are one of the constraints to dairy production in Kiboga district. Therefore, sensitization of dairy farmers in Kiboga district on proper hygienic, appropriate milking techniques and dry cow therapy using potentiated sulfonamide intra-mammary preparations are highly recommended in SA associated SCM.

Keywords: Antibacterial Susceptibility, Dairy Cattle, Subclinical Mastitis, Staphylococcus aureus

Cite this paper: Kasozi, K. , Tingiira, J. and Vudriko, P. (2014) High Prevalence of Subclinical Mastitis and Multidrug Resistant Staphylococcus aureus Are a Threat to Dairy Cattle Production in Kiboga District (Uganda). Open Journal of Veterinary Medicine, 4, 35-43. doi: 10.4236/ojvm.2014.44005.

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