A note on the effect of diet and type of fat on cellulose degradability in the rumen of sheep
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Department of Animal Nutrition and Feed Management, August Cieszkowski Agricultural University, Wołyńska 33, 60-637 Poznań, Poland
Publication date: 2000-07-15
J. Anim. Feed Sci. 2000;9(3):527–532
The effect of diet type and fat addition on cellulose degradability was estimated on four rams fitted with rumen cannulas in a 4x4 Latin square design experiment. The animals were fed diets composed of 100% meadow hay (1st trial) or 40% meadow hay and 60% concentrate (2nd trial). Diets were supplemented with 0, 4, 8 or 10% rape seed oil, linseed oil or tallow. There were three experiments in each trial. Effective degradability of cellulose may vary among different fat sources and type of diet. Adding rape seed oil decreased effective degradability and when the animals were given meadow hay (1st trial), differences were significant (P≤0.05). A decrease was observed in effective degradability when linseed oil was added to meadow hay (1st trial), but the differences were not significant, whereas linseed oil added to concentrate-hay rations (2nd trial) significantly (P≤0.05) increased effective degradability. Adding tallow had no effect on effective cellulose degradability in the rumen of sheep.