Recent Possibilities for the Diagnosis of Early Pregnancy and Embryonic Mortality in Dairy Cows
One of the most recent techniques for the on-farm diagnosis of early pregnancy (EP) in cattle is B-mode ultrasonography.Under field conditions, acceptable results may be achieved with ultrasonography from Days 25 to 30 post-AI.The reliability of the test greatly depends on the frequency of the transducer used, the skill of the examiner, the criteri