https://fph1chemical.com/initi....al-exposure-to-major
Vaccination prior to four to five months of age, coupled with consistent seronegativity to Map antibodies throughout the study, was significantly associated with a lower likelihood of Map shedding compared to unvaccinated, seronegative cows (odds ratio = 0.5, 95% confidence interval 0.3-0.9, p = 0.0008). No relationship could be established between vaccination and the quantity of Map shed. Subsequently, the younger the vaccination age of the cows, the f
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