Bovine Mastitis and Risk Factors in Small Holder Lactating Dairy Farms in Hawassa, Southern Ethiopia

2017 ◽  
pp. 1
Author(s):  
Nibret Moges ◽  
Tekle Hailemariam ◽  
Tewodros Fentahun ◽  
Mersha Chanie ◽  
Achenef Melaku
Keyword(s):  
Risk Factors ◽  
Bovine Mastitis ◽  
Dairy Farms ◽  
Southern Ethiopia ◽  
Small Holder

scholarly journals Prevalence, risk factors and bacterial causes of bovine mastitis in southern Ethiopia

2020 ◽  
Vol 24 (1) ◽  
Author(s):  
Rahmeto Abebe ◽  
Mesele Abera ◽  
Yifat Denbarga ◽  
Mishamo Suleyman ◽  
Amene Fekadu ◽  
...  
Keyword(s):  
Risk Factors ◽  
Bovine Mastitis ◽  
Dairy Farms ◽  
Subclinical Mastitis ◽  
Clinical Mastitis ◽  
Southern Ethiopia ◽  
Cross Sectional ◽  
Microbiological Methods ◽  
Associated Risk Factors ◽  
And Control

Mastitis is one of the most economically important diseases in dairy farms worldwide. It is particularly important in Ethiopia where no routine prevention and control practices are in place. This cross-sectional study was carried out between October 2017 and June 2018 to estimate the prevalence of mastitis, identify the associated risk factors and isolate bacterial causes in dairy farms located in southern Ethiopia using standard microbiological methods and questionnaire survey. A total of 686 lactating cows which were found in 122 selected dairy farms were investigated by physical examination and California mastitis test. The overall cow-level prevalence of mastitis was 54.2% (95% CI: 50.5 – 57.9%). Based on the study site, the prevalence was 55.7% in Hawassa, 54.3% in Arsi Negele, 52.6% each in Wondo Genet and Wolayta Soddo towns with no significant (p > 0.05) difference among the sites. The majority of mastitis cases were subclinical (48.1%) while the clinical mastitis was only 6.1%. Of the 122 herds tested, 109 (89.3%; 95% CI: 82.1 – 93.9%) had at least a cow positive for mastitis. The study showed that high parity number (OR = 1.6; p = 0.015), flat (OR = 4.5; p <0.001) and round (OR = 2; p <0.001) teat end shape, history of mastitis in preceding lactation (OR = 3.3; p <0.001), and slightly (OR = 3.5; p < 0.001), moderately (OR = 4.9; p < 0.001), and very dirty (OR = 9.2; p < 0.001) udder and legs were the major risk factors which are significantly associated with higher prevalence of mastitis. Based on the available media and reagents, the major bacteria isolated from subclinical mastitic milk samples were Staphylococcus spp. (57.3%), Streptococcus spp. (18.6%), E. coli (17.3%) and Bacillus spp. (7.5%) in order of their abundance. The present study revealed a high prevalence of mastitis, particularly the subclinical one, and the associated risk factors. Enhancing the awareness of dairy farmers, regular screening of cows for subclinical mastitis, proper treatment of the clinical cases, improving the hygienic condition of the cows, and culling of chronically infected cows are critically important to prevent and control bovine mastitis. Keywords: Mastitis, Prevalence, Risk factors, Southern Ethiopia

scholarly journals Study on Bovine Mastitis under Different Management in Pastoral and Agro-Pastoral Areas of Borana Zone, Southern Ethiopia

2020 ◽  
Vol 5 (1) ◽  
pp. 1-8
Author(s):  
Adem Kumbe
Keyword(s):  
Risk Factors ◽  
Culture Media ◽  
Bovine Mastitis ◽  
Dairy Farm ◽  
Clinical Mastitis ◽  
Southern Ethiopia ◽  
Coagulase Negative Staphylococcus ◽  
Cross Sectional ◽  
California Mastitis Test ◽  
Borana Zone

A cross-sectional study was conducted to determine the prevalence of bovine mastitis, associated potential risk factors and major etiological agents of clinical and sub clinical mastitis under different management condition of pastoral, agro-pastoral, ranch and farm by using California mastitis test and bacteriology. A total of 384 lactating Borana cows in Did-tuyura ranch, Yabello Pastoral and dryland agriculture research center (YPDARC) dairy farm and three districts namely Gomole, Moyale and Yabello of Borana zone were included in the study. The study revealed that overall prevalence of mastitis were 47.4 % (182/384); out of which 12 % (46/384) clinical and 35.4 % (136/384) sub-clinical mastitis whereas prevalence at quarter level was 21.48% (330/1536) of which 3% (46/1536) and 18.48% (284/1536) were clinical and sub-clinical form respectively. From the total examined quarter, 3.5% (53) of quarters had blind quarter. Prevalence in pastoral and agro-pastoral herding system (extensive management system) at cow level and quarter level were 18.9% and 10.9% respectively while prevalence in Did-tuyura ranch and YPDARC dairy farm herding system (semi-intensive) were 20% and 7% at cow level and quarter level respectively. The prevalence of mastitis significantly (P<0.05) differed with parity, stage of lactation and body condition of lactating animals. From 330 California Mastitis Test (CMT) and clinically positive milk samples there was growth of bacteria on culture media observed only in 155 (46.97%). Out of this Staphylococcus aureus accounted for 59 (38.06%) isolates followed by Streptococcus species 33 (21.29%) and Coagulase negative Staphylococcus 30 (19.35%). Due to lack of proper managements of different risk factors major pathogenic microorganisms are isolated. Proper preventive and control strategy, awareness creation on key factors of mastitis, Regular screening and culling of chronically infected cows should be practiced.

scholarly journals Bovine Mastitis: Prevalence, Risk Factors and Major Pathogens in Dairy Farms of Holeta Town, Central Ethiopia

2010 ◽  
Vol 3 (9) ◽  
pp. 397 ◽  
Author(s):  
B Mekibib ◽  
M Furgasa ◽  
F Abunna ◽  
B Megersa ◽  
A Regassa
Keyword(s):  
Risk Factors ◽  
Bovine Mastitis ◽  
Dairy Farms ◽  
Central Ethiopia ◽  
Major Pathogens
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