It is called a Digital Rectal Exam.
Rectal palpation.
Rectal palpation or preg-checking.
palpation
In nursing and in medicine, using the hands to examine a body and its structures is called palpation.
Rectal palpation - you stick your arm in the cow's rectum and feel the reproductive tract for a developing fetus - glove is recommended but not mandatory
1. rectal palpation of the developed foetus from the 40 or 45 day2. blood serum tested biologicallythis methods used with horses and cattle
The ovulation fossa is a depression in the ovary from which the egg is released during ovulation in the horse. A veterinarian can palpate this fossa during a rectal palpation exam.
You need to stick your arm into the rectum of the cow, then feel down for the ovaries. If you feel a large lump or something that is bumping against your hand as you feel downwards, then the cow is bred. If you feel nothing, then the cow is open.
Have a vet or qualified AI technician do a rectal palpation on the mare. They can approximate how far along in gestation she is. It will only be an approximate though if the breeding dates are not known.
Generally done by palpation. Vet or someone trained on the procedure does a rectal exam to feel for the fetus. Ultrasound is can also be used
You perform a rectal palpation to feel the uterus - if the cow or buffalo is pregnant, you may feel the fetal membranes or the fetus depending on how far along the pregnancy is.