... produced by four of these processes. Using scrapie‐spiked material, infectivity was recoverable in all meat and bonemeal samples except those derived from processes which used steam under pressure. BSE European Union Meat Process control Once it had been confirmed that BSE was a TDE...

..., and also to measure physical properties such as bulk density, colour and particle size. A classification is introduced for sensor requirements, and factors affecting sensor calibration, upkeep and reliability are discussed. © MCB UP Limited 1989 Automated operations Process control Quality...