Fattening Slanghter Experiment of First Filial Generation of Dorset and Han-sheep with Small-tail,Dorset and Local Sheep

The contemporary ram lamb of first filial generation of Dorset and Han-sheep with small-tail,Dorset and local sheep,Han-sheep with small-tail,local sheep were selected and used to determine the slaughter weight,the dressed weight,the meat weight and the ratio of meat to bone and to compare and analyse under same feeding and managment and fattening.The results showed that the slaughter weight,the dressed weight and the meat weight of first filial generation of Dorset and Han-sheep with small-tail,Dorset and local sheep were significantly more than those of Han-sheep with small-tail and local sheep,suggesting that there was a sigmificant economic benefit when the Han-sheep with small-tail and local sheep were improved with Dorset.