1Warriss P D.Choosing appropriate space allowances forslaughter pigs transported by road〔J〕[].Veterinary Record.1998
2Gispert M,Faucitano L,Oliver M A.A survey of pre-slaughter conditions,halothane gene frequency,and car-cass and meat quality in five Spanish pig commercial a-battoirs〔J〕[].Meat Science.2000