Authors : Jairo I. Aguilera-Soto , Roque G. Ramirez , Carlos F. Arechiga , Marco A. Lopez , Romulo Banuelos , Mireya Duran and Elda Rodriguez
Abstract: In 2 consecutive trails, 5 isoenergetic and isonitrogenous diets containing incremental levels (0, 150, 300, 450, 600 g kg 1 DM) of Wet Brewers Grains (WBG) were fed to growing Rambouillet�Pelibuey male lambs (16�1.9 kg). Fifty (intact) lambs were used in a feedlot trial and 10 (rumen cannulated) in a digestion trial. The pH, Volatile Fatty Acids (VFA) and ammonia-N in lambs were also estimated. Dry matter intake (1022, 1040, 1026, 1021 and 1011 g day 1) average daily gain (180, 192, 195, 185, 178 g) and feed efficiency (5.7, 5.4, 5.3, 5.5, 5.7) were not significantly different between lambs fed the diets containing 0, 150, 300, 450, 600 g WBG kg 1 DM, respectively. Moreover, lambs digested similar (p>0.01) proportions of organic matter (70, 69, 67, 70 and 67%, respectively), crude protein (71, 71, 70, 72 and 69%, respectively) and neutral detergent fiber (66, 69, 66, 67 and 62%, respectively). Furthermore, ruminal pH and molar proportions of VFA did not varied (p>0.01); however, ruminal ammonia-N (10, 11, 13, 14, 14 mg 100 mL 1, respectively) increased (p< 0.05) as WBG increased. In despite of differences in WBG content in the diets, grow increments and digestion characteristics of lambs were similar.
Jairo I. Aguilera-Soto , Roque G. Ramirez , Carlos F. Arechiga , Marco A. Lopez , Romulo Banuelos , Mireya Duran and Elda Rodriguez , 2007. Influence of Wet Brewers Grains on Rumen Fermentation, Digestion and Performance in Growing Lambs . Journal of Animal and Veterinary Advances, 6: 641-645.