The massiveness and strength of a good bull is impressive and can be a source of pride for a ranch. We certainly want to provide the care and respect each bull is due, and in return we expect him to work well for us.Choose bulls carefully because they are responsible for the majority of the genetics in a herd. This is because one bull can breed many cows. When we keep replacement heifers, the genetics of her sire and grandsire, as well as the bull to which she's bred, stay in the herd. This adds up to 87.5 percent of …