Figure 1.

Impact of dog sizes on pH values in all digestive compartments. Results from studies measuring in dog's pH values in the stomach (under fasted or fed conditions), small intestine, large intestine and faeces are presented. Small dogs are plotted in green, medium dogs in yellow, large dogs in orange and unclassified dogs in grey. Raw data were pooled in “all” group (in black). Calculated median values are in italic bold, values for a single point in italic. Black bars represent 95% confidence intervals. The number of dogs involved in studies is indicated as “N=”