Effects of Spent Bleaching Clay Supplementation on Ruminal Fermentation and Digestibility in Holstein Dairy Cows
2006
Jeon, H.Y. (Miryang National University, Miryang, Republic of Korea) | Son, J.H. (Daegu National University of Education, Daegu, Republic of Korea)
These studies were conducted to evaluate the feasibility of spent bleaching clay (SBC) as a feed resource for ruminants. Three Holstein dairy cows, surgically fitted with ruminal cannula, were used in a 3×3 Latin Square design. Dietary treatments were 1) basal diet, 2) basal diet plus 2% of SBC and 3) basal diet plus 4% fo SBC. Rumen fluid was sampled at 0, 3, 6, 9 and 12 hours following the start of the morning feeding. Nylon bags containing experimental diets were used to determine ruminal nutrient disappearance at 0, 3, 6, 12 and 24 hours.
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