1. Genetics. If the calf isn't bred to have any hair, then guess what..... he ain't gonna grow it magically.
2. Hard work. Rinse, blow, sheen. Rinse, blow, sheen. Rinse, blow, sheen. Comb, brush, rinse, blow, sheen, comb, brush...... get the idea? Having great hair on a calf is hard. ...