Metabolisme Protein dan Laju Penurunan Produksi Susu Akibat Pemberian Souropus androgimus Men (Katu) pada Ransum Sapi Perah Friesian Holstein (Protein Metabolism and Decrease Milk Production Consequence intake Sauropus androgynus Men ( Katu ) on Milk Cow Friesian Holstein Feeding) - SUKARDI, SUKARDI (2005)