The eating and rumination behaviour in sheep fed only grass diets in either the fresh or dried form

摘要: In ruminant animals, it is well known that the physical form of feed considerably affects rumination behaviour, which considered to be an importantfunction related utilization roughage (Balch, 1971; Orskov, Fraser & Gordon, 1974; Morgan Campling, 1978). It also clear act chewing during has important role in reduction particle size ingested food, and this might facilitate microbial degradation rumen (Umezu, 1966). Furthermore, obvious behaviour influenced by changes dietary chemical composition. Freer Balch (1962) observed a marked time spent ruminating when urea was added oat-straw diet cows, they suggested there are interactions between two factors (chewing bacterial degradation) responsible for reducing reticulo-rumen. Similarly, several investigations relation digestion sheep cattle (Welch Smith, 1969a; Thomas, Kelly Wait, 1976; Sudweeks et al. 1975).