This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to perform rectal palpation in cows and heifers
Confine the cow.
Put the female bovine to a squeeze chute or head-gate with gates on either side that prevents her from moving side-to-side.
Dress up.

Select from:
(a). Once the female nudes out to confirm that she is pregnant, she can be dressed and allowed to go on the milk cycle. Make sure you change out of your clothing into clean, loosely fitting pants or dressing casual or and loose for normal research..
(b). You won't be able to see the silhouette of all of your employees without bringing it to focus. The location of the facility depends on the position of each individual..
(c). An ob (obstetrical) suit or coveralls are best for this job. However, if you have old clothes that you don't mind getting dirty, then those will work fine as well..
(d). Female cows and heifers breed during the breeding season, so dressing up is important. Make sure the outfit you choose to remove for a visit to the breeding arena is a snug and comfortable one..
The answer is:
(c).