highly significantp < 0.001
Keywords dairy farm milk-quality milk-yield vaccine-coverage NORAD RADO/EXTERNAL/SS0027/2024 However, a highly significant association was found between current vaccination status and the immediate effect of vaccination on milk yield, as confirmed by Fisher’s exact test ( p < 0.001), and the relationship between prior vaccination and the perceived change in milk yield postvaccination was also statistically significant ( χ 2 = 32.67, p < 0.001), as shown in Table 3 . 3.3.