Galinhas de lente de contato poem mais ovos

Incrível:

What happens when chickens see red?

A company* that markets red contact lenses for chickens (at 20 cents a pair), points to medical studies showing that chickens wearing red-tinted contact lenses behave differently from birds that don't. They eat less, produce more and don't fight as much. Perhaps everything looks red and they cannot distinguish combs, wattles, or blood. This decreases aggressive tendencies and birds are less likely to peck at each other causing injury. A spokesman said the lenses will improve world egg-laying productivity by $600 million a year.

Leia o artigo