HC goats showed higher level of free lipopolysaccharide ( LPS ) in rumen fluid ( p < 0.01 ) but not in colonic digesta ( p > 0.05 ) , and higher total volatile fatty acid ( VFA ) concentrations in rumen fluid ( p < 0.05 ) and in colonic digesta ( p < 0.01 ) , and higher content of starch in colonic digesta ( p < 0.05 ) compared to LC goats .