1[1]Krogdahl A,Jensen J L. Influence of age on lipase, amplyase and protease activities in pancreatic tissue and intestinal contents of young turkeys[J]. Poultry Science, 1989, 68:1561-1568.
2[2]Zhou W,Kornegay E T, Larr H V. The role of feed consumption and feed efficiency in copper-stimulated growth[J]. J Anim Sci, 1994b,72:2385-2394.
3[3]Dove C R. The effect of copper addition and various fat sources to the diets of weanling swine on growth performance and serum fatty acid profiles[J]. J Anim Sci, 1993,71:2187-2194.
4[4]Pau K Y F, Spies H G. Stimulated induction of neuropeptide Y and gonadotrophin-releasing hormone release in the rabbit hypothalamus[J]. Neuroendocrinology, 1986,49:197-201.
5[5]Parrott R T, Heavens R P, Baldwin B A. Stimulation of feeding in the satiated pig by intracerebroventricular injection of NPY[J]. Physiology and Behavoir,1986, 36:523-525.
6[6]Zhou W, Kornegay E T, Linderman M D. Stimulation of growth by intravenous of copper in weanling pigs[J]. J Amni Sci, 1994c, 72:2395-2402.
7[7]LaBella F, Dular S, Vivian S, et al. Pituitary hormone releasing of inhibiting activity of metal ions present in hypothalamic extracts[J]. Biochem Biophys Res Commun, 1973, 52:786-796.
8[8]Sorenson J R J. A physiological basis for pharmacological activities of copper complexes[A]. Sorenson J R J. Biology of copper complexes[C]. Clifion: Humaua Press, 1987. 3-8.
