Concentration and urine characteristics of birds
Concentration of avian urine
Renal response to ADH in birds is similar to that of the mammals. In addition to the action of ADH on the tubular cells it also controls the functioning of reptilian and mammalian type of nephrons.
Urine characteristics and flow
Birds urine when mixed with faeces is cream coloured and contains thick mucous. The precipitated uric acid is mixed with mucus and mucus facilitates the carrying of uric acid in the urine.