Weaning of Holstein male calves with diferent diets. III. Post-mortem data

Abstract

Twenty-four Holstein male calves were used in 4 treatments with restricted mild, calf starter and A no roughage; B) alfalfa hay; C) Rhodes grass hay of D) corn silage. The experiment began at 2^nd week and at 13^th week 22 calves were slaughtered for observations upon the digestive systems. The authors did not find higher gut or rumen contents in the roughage treated animals. Also they did not find erosions or plaques in the rumen mucosas of the only concentrates fed calves. The rumen papillae growth were statistically similar in all treatments.