5Huxley J S. Constant differential growth ratios and their significance[J]. Nature, 1924,114 : 895.
6Huxley J S. Problems of relative growth[M]. London: Methuen Press, 1932 : 42-44.
7Kleiber M. Body size and metabolism[J]. Hilgardia, 1932,6:315-353.
8Jarman P J. The social, organization of antelope in relation to their ecology [J]. Behavior, 1974, 48: 215-266.
9Timmire R. Investigation into the digestibility of high fiber feedstuffs for geese[A]. Proceedings 8th Inter national Symposium of Young Poultry Scientists[C]. Poland, 1994 : 1121-1129.
10Forbes J M. The multifactorial nature of food intake control[J]. American Society of Animal Science, 2003,81(2),139-144.