Comparison of Ruminal and Rectal Sampling Sites for Estimating Digesta Passage Kinetics in Rumen of Holstein Cows Fed Corn Stalk-Based Diets

T.Z. Zhao, H.Y. Li, B.L. Shi and S.M. Yan

Journal of Animal and Veterinary Advances 12 ( 9 ): 959 - 964 , 2013