Heritable trait research continues to be a scientific frontier in animal production decisions and stewardship of animals as a resource.
Too many ovarian follicles, at too young of an age, likely means a shortened herd life for dairy females.”
Source: Dairy Herd Management, September 2017. Link. Follicle numbers are a moderately heritable genetic trait in dairy cows which may imply that follicle assessment may someday become a factor in dairy heifer culling decisions.