在运输和屠宰过程中的动物福利因素.ppt

Are Plants with High Chain Speeds Bad? Percentage of cattle moved with an electric prod at different line speeds Line speed/hour Number of Plants % Electric Prodded Less than 50 16 20% 51-100 13 27% 101-200 10 12% 201-300 21 24% More than 300 6 25% Grandin, 2005 Effect of Chain Speed on Animal Handling and Stunning Exceeding the speed capacity of the equipment causes abuse in both large and small plants. Understaffing often causes abuse High line speed plants can be very humane if designed properly Does the Steer Know He Is Getting Slaughtered?? I Observed Cattle Behavior at the Plant and in Feed Yard Chutes and it was the Same in Both Plants Feedlot Plant Cortisol levels during restraint in a head gate for blood testing No other painful procedures were performed Cortisol levels at the slaughter plant were similar to on-farm handling Fear was the main stressor Stress levels at a well-run slaughter plant are similar to handling on a feedlot or ranch There Are Two Issues in Religious Slaughter How the animal is held and handled Slaughter without stunning The biggest welfare issue is the restraint method Some plants still use cruel shackling and hoisting for restraining the animal. Legal under an exemption in the Humane Slaughter Act OIE 2008 Animal Welfare Code Methods of restraint causing avoidable suffering should not be used in conscious animals because they cause severe pain and stress: suspending or hoisting animals other than poultry by the feet or legs; indiscriminate and inappropriate use of stunning equipment; mechanical clamping of the legs or feet of the animals other than shackles used in poultry and ostriches as the sole method of restraint; breaking legs, cutting leg tendons, or blinding an animal to immobilize them; severing the spinal cord. For example using a puntilla or dagger to immobilize animals, using electric currents to immobilize animals except for paper stunning. Head restraint device for kosher or halal slaughter