Datum
2022-12-20Autor
Ndirangu, Peter NjugunaKipronoh, Alexander KiprutoMungube, Erick OumaOgali, Irene NafulaOmwenga, Sam GichabaNdung'u, David NjorogeMaichomo, Monicah WaihenyaSchlagwort
630 Landwirtschaft, Veterinärmedizin KeniaKisumu (Region)MilchkuhBakterienEuterentzündungRisikofaktorAntibiotikumArzneimittelresistenzKleinbauerMetadata
Zur Langanzeige
Aufsatz
Prevalence of bovine mastitis and antimicrobial sensitivities of the bacterial causes in smallholder farms of Kisumu County, Kenya
Zusammenfassung
Prevalence of bovine mastitis in Kisumu County, risk factors and antibiotic sensitivities of the causative bacteria were determined in this cross-sectional study. Sub-clinical mastitis (SCM) was diagnosed using California Mastitis Test (CMT). Risk factors were identified through the administration of 64 questionnaires and assessment of 134 lactating cows. Bacteria were identified by culturing 72 CMT-positive udder quarter milk samples and their sensitivities to antibiotics investigated using Kirby-Bauer disc diffusion test. Only SCM was detected and had cow level prevalence of 33% (44/134). Prevalence of SCM was significantly (p<0.05) higher in cows under complete and semi-zero grazing systems, at mid lactation, those pregnant and with parity of 1-3. Staphylococcus species was the most common (63.8%, n=58) isolate. Other isolates were E. coli (13.8%), Streptococcus species (12.1%) and Pseudomonas (5.2%). Staphylococcus and Streptococcus isolates were 100% sensitive to streptomycin, kanamycin, gentamycin and chloramphenicol. Additionally, Streptococcus species were 100% sensitive to ampicillin, tetracycline and cotrimoxazole. Staphylococcus species had developed varying levels of resistance against sulphamethoxazole, cotrimoxazole, ampicillin and tetracycline. Streptococcus species was 100% resistant to sulfamethoxazole. A significantly high SCM prevalence was reported in this study thus an appropriate control strategy is needed that consists of awareness creation, good milking hygiene practices, teat disinfection, regular screening for SCM and preventing spread of mastitis in the herd by milking infected cow(s) last.
Zitierform
In: Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) Vol. 123 / No. 2 (2022-12-20) , S. 247-255 ; eissn:2363-6033Sammlung(en)
Vol 123, No 2 (2022) (Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS))Zitieren
@article{doi:10.17170/kobra-202212057194,
author={Ndirangu, Peter Njuguna and Kipronoh, Alexander Kipruto and Mungube, Erick Ouma and Ogali, Irene Nafula and Omwenga, Sam Gichaba and Ndung'u, David Njoroge and Maichomo, Monicah Waihenya},
title={Prevalence of bovine mastitis and antimicrobial sensitivities of the bacterial causes in smallholder farms of Kisumu County, Kenya},
journal={Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS)},
year={2022}
}
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2022-12-22T09:23:03Z 2022-12-22T09:23:03Z 2022-12-20 doi:10.17170/kobra-202212057194 http://hdl.handle.net/123456789/14311 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ bacteria California mastitis test dairy cattle risk factors sub-clinical mastitis 630 Prevalence of bovine mastitis and antimicrobial sensitivities of the bacterial causes in smallholder farms of Kisumu County, Kenya Aufsatz Prevalence of bovine mastitis in Kisumu County, risk factors and antibiotic sensitivities of the causative bacteria were determined in this cross-sectional study. Sub-clinical mastitis (SCM) was diagnosed using California Mastitis Test (CMT). Risk factors were identified through the administration of 64 questionnaires and assessment of 134 lactating cows. Bacteria were identified by culturing 72 CMT-positive udder quarter milk samples and their sensitivities to antibiotics investigated using Kirby-Bauer disc diffusion test. Only SCM was detected and had cow level prevalence of 33% (44/134). Prevalence of SCM was significantly (p<0.05) higher in cows under complete and semi-zero grazing systems, at mid lactation, those pregnant and with parity of 1-3. Staphylococcus species was the most common (63.8%, n=58) isolate. Other isolates were E. coli (13.8%), Streptococcus species (12.1%) and Pseudomonas (5.2%). Staphylococcus and Streptococcus isolates were 100% sensitive to streptomycin, kanamycin, gentamycin and chloramphenicol. Additionally, Streptococcus species were 100% sensitive to ampicillin, tetracycline and cotrimoxazole. Staphylococcus species had developed varying levels of resistance against sulphamethoxazole, cotrimoxazole, ampicillin and tetracycline. Streptococcus species was 100% resistant to sulfamethoxazole. A significantly high SCM prevalence was reported in this study thus an appropriate control strategy is needed that consists of awareness creation, good milking hygiene practices, teat disinfection, regular screening for SCM and preventing spread of mastitis in the herd by milking infected cow(s) last. open access Ndirangu, Peter Njuguna Kipronoh, Alexander Kipruto Mungube, Erick Ouma Ogali, Irene Nafula Omwenga, Sam Gichaba Ndung'u, David Njoroge Maichomo, Monicah Waihenya Kenia Kisumu (Region) Milchkuh Bakterien Euterentzündung Risikofaktor Antibiotikum Arzneimittelresistenz Kleinbauer publishedVersion eissn:2363-6033 No. 2 Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) 247-255 Vol. 123 false
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