These are the links that we relied on during the 36 hour, full term Bulldog calf experience we recently had. We had probably sorted through 20 other sites also.
MY DAUGHTERS WANTED ME TO MAKE ONE POINT.... Alter your Google search terms constantly.....calving.....problem calving.....how to help a cow during calving....first time heifer calving......calving difficulties......when is a vet necessary during calving.....calving tips....how long is a cow in labor..... and on and on with even the same words arranged in different order
There are also many YouTube videos of all stages of normal and problem deliveries.
THIS ONE IS A STANDOUT....84 PAGE PDF WITH COLOR PHOTOS AND SKETCHES. It allowed us to do elbow-deep examinations with ZERO previous experience.....yes, a laptop, a shoulder length vinyl glove, and a gallon of obstetric lube, all by your side....you are ready to go