The Downed Animal Protection Act; Humane Methods of Poultry Slaughter Act; the Meat and Poultry Products Inspection Amendments of 1993: Hearing Before the Subcommittee on Livestock of the Committee on Agriculture, House of Representatives, One Hundred Third Congress, Second Session, on H.R. 559, H.R. 649, H.R. 3646, September 28, 1994