What question did this study set out to answer?

The study aims to determine the prevalence of mastitis and bacterial contamination in milk from lactating cows in selected districts in Tanzania.

Prevalence of Mastitis in Cows and Raw Milk Microbial Contamination in Selected Districts, Tanzania

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Cross-sectional study establishes high mastitis prevalence and microbial contamination in lactating cows, urging intervention.

The study aims to determine the prevalence of mastitis and bacterial contamination in milk from lactating cows in selected districts in Tanzania.
Conducted a cross-sectional study in Kilosa, Mvomero, Lushoto and Handeni districts.
Examined 78 cows for mastitis using udder palpation and California Mastitis Tests.
Collected milk samples for bacteriological culture and antimicrobial susceptibility tests.
Prevalence of mastitis was found to be 75.6%, with 62.8% as subclinical (p=0.02732).
78% of mastitis milk samples showed bacterial contamination, with 137 bacterial isolates categorized.
Over 70% of bacterial isolates were resistant to tetracycline, nalidixic acid, and amoxycillin.

Ndyamukama et al. (2026) studied this question.

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