All livestock offered for slaughter in an official establishment shall be examined and inspected on the day of and before slaughter unless, because of unusual circumstances, prior arrangements acceptable to the Administrator have been made in specific cases by the circuit supervisor for such examination and inspection to be made on a different day before slaughter. (b) Such ante-mortem inspection shall be made in pens on the premises of the establishment at which the livestock are offered for slaughter before the livestock shall be allowed to enter into any department of the establishment where they are to be slaughtered or dressed or in which edible products are handled. This part is composed of the following sections: 309.1 Ante-mortem inspection in pens of official Establishments; 309.2 Livestock suspected of being diseased or affected with certain conditions; identifying suspects; disposition on postmortem inspection or otherwise; 309.3 Dead, dying, disabled, or diseased and similar livestock 309.4 Livestock showing symptoms of certain metabolic, toxic, nervous, or circulatory disturbances, nutritional imbalances, or infectious or parasitic diseases; 309.5 Swine; disposal because of hog cholera; 309.6 Epithelioma of the eye; 309.7 Livestock affected with anthrax; cleaning and disinfection of infected livestock pens and driveways; 309.8 Cattle affected with anasarca and generalized Edema; 309.9 Swine erysipelas; 309.10 Onset of parturition; 309.11 Vaccine livestock; 309.12 Emergency slaughter; inspection prior to; 309.13 Disposition of condemned livestock; 309.14 Brucellosis-reactor goats; 309.15 Vesicular diseases; 309.16 Livestock suspected of having biological Residues; 309.17 Livestock used for research;and 309.18 Official marks and devices for purposes of ante-mortem inspection,
United States of America