a decreasing trendp -value < 0.05
an increasing trendp -value < 0.05
2016–2022) corresponded to the enforcement of the revised and expanded NGSP which provided for the compulsory participation of both the commercial and the high genetic merit flocks The resulting province-specific proportion ratios (PS) were visualized on a map: provinces with an increasing trend (PS > 1, p -value < 0.05) were marked in red; provinces with a decreasing trend (PS <p 1, p -value < 0.05) were marked in green; and provinces where the model showed no significant trend ( p -value > 0.05) were marked in yellow.