in 2017 showed that heifers with lung consolidation at weaning had a numerically lower pregnancy to first AI rate (52.5%) compared to heifers without consolidation (62.0%), with a p -value of 0.06 indicating a trend towards significance [ 22 ].
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Long-Term Production and Reproductive Outcomes in Dairy Calves Following Early-Life Ultrasonographic Lung Consolidation: A Longitudinal Follow-Up Study.
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