Deposit on a whole sheep for mutton (meat from a sheep over 1 year old). Available seasonally in early summer. Limited supply: Final cost to be calculated as $6.10 per pound of hanging weight.  Hanging weights are quite variable, but typically range from 75 to 100 pounds, bringing the total cost to $450-$610 for a whole mutton sheep, or you can get a half mutton for $225-$300.