Some of the reasons for doing this include planning for how many heifers they will need to accommodate and deciding whether they will sell the offspring or not. It is another management tool for the cattle owner and one of the advances in technology that has enabled them to plan ahead for their business. Here are some photos of the ultrasound machine showing a 64 day old fetus. Can you guess what sex it is? You can click on the photos to enlarge them. ;-)
If you guessed a female, you are right!