A CDA candidate must: 1  Be 18 years of age or older. 2  Hold a high school diploma or General Educational diploma (GED) 3  Have 480 hours of experience working with children within the past five years.  Have 120 clock hours of formal child care education within the past five years.
Foundering in cows refer to inflammation of the hoof's internal connective tissue. This causes abnormal shaping and growth which include hoof wall concavity and ridge formation. Foundering in cows refer to inflammation of the hoof's internal connective tissue. This causes abnormal shaping and growth which include hoof wall concavity and ridge formation.
Some female cattle do not become reproductively active, and they are called heiferettes. Heifer stage is a very important stage of the life cycle of a female cattle, as that when they get reproductively active and getting ready to serve as milk cows later to nourish the world.