Farmer and the cock

A farmer buys a young cock.As soon as it comes home,it fucks all the 150 hens. The farmer is impressed. At lunch,it again screws all 150 hens. Farmer gets tense. Next day,he finds cock fucking ducks,goose & donkey also. Later,farmer finds the cock pale & half-dead, vultures circling over it's head. Farmer says,"u deserved it, horny bastard. The cock opens 1 eye & says "Ssshh!" "Don't shout; let them land"