Herd level accounting is available for cattle. For other animal types that you'd wish to do herd level accounting for, we would recommend creating a separate project for each herd.
The new Animal Agriculture updates as of September 2020 allow for multiple herd level accounting for the SAME animal category, and copying between years and between herds of the SAME animal category. For more information on how to do this in your project, check out the tutorials below:
PDF Tutorial: attached