6Mongin P. Role of acid-base balance in the physiology of egg shell formation[J]. World's Poult Sci J, 1968(24): 200-230.
7Hurwitz S, Bomstein S. The protein and amino acid requirements of laying hens: suggested models for caiculation[J]. Poult Sci, 1973, 52:(3): 1124-1134.
8Cohen I, Hurwitz S. The response of blood ionic constituents and acid-base balance to dietary sodium potassium and chloride in laying fowls[J]. Pouh Sci, 1974, 53: 378-383.
9Sauveur B, Monqin P. Interrelationships between dietary concentrations of sodium potassium and chloride in laying hens [J]. Br Poult Sci, 1978, 19(4): 475-485.
10Rosebrough R W. Dietary fat and trriodothyronine(T3) interax:tions in the broiler chicken[J]. Int J Vitam Nutr Res, 1999, 69: 292- 298.
