animal semen pregnancy freezing glycerol fetus dystocia thoracic scapula limb ulna bovine fetal monster storage straw. concentration. volume evaluation motility posture. position presentation obermeyer’s anal hook krey–schottler double-jointed hooks chain handle wire saw harms’s sharp or blunt paired hooks crutch artificial vagina electroejaculator. collection vaginal biopsy. progesterone ewe sheep goat diagnosis mare progesterone. ecg diluent. shistosoma refluxus abnormal ppp citrate buffer milk tris diluent
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