Comparison of pulmonary ultrasound aspects of dairy calves born from a normal or dystocic parturition

Ultrasound has relatively low use in the veterinary practice of cattle, especially diagnosis respiratory diseases. There is little information on imaging patterns and occurrence these diseases calves from dystocic parturition, ability to diagnose subclinical The correct clinical aims support efficient growth expression genetic potential for replacer calves. Eighteen Holstein calves, five which did not require assistance during birth thirteen parturition had system evaluated by ultrasound. objective was describe compare pulmonary ultrasound aspects parturitions, compared born without any aid. degree dystocia classified a scale 1 5 points categorization images considered presence or absence lesions. examination able animals affected with BRD manifestation, considering that none presented consolidation showed signs All cows were as grade 2 parturition. no correlation between normal delivery (grade 1) mild 2) consolidation.