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.
Milk fever is probably the most common metabolic disorder in dairy cattle. The condition usually occurs just before, during or immediately after parturition. This condition is also likely to be the most common cause of apparent sudden death in dairy cows, and is a common cause of dystocia and stillborn calves.