[Drying of chemically treated or boiled animal hides intended for processing into feeds for farm animals or for leather industry]

aliment pour animaux animal domestique aprovechamiento de desechos artificial drying contenido de materia seca cooling cueros y pieles cuirs et peaux desuello domestic animals dried products dry matter content dryers enfriamiento feed processing feeds hides and skins industria del cuero industrie du cuir leather industry nutritive value piensos productos secos refroidissement secado artificial secadoras skinning sterilizing temperatura temperature traitement d'aliments pour animaux valeur nutritive valor nutritivo waste utilization