6Martelli G, Sardi L, Parisini P. Mordenti. Different protein sources in piglet feeding[J]. Veterinary Research Communication, 2003, 27 (Suppl. 1 ):261-264.
7Thomas B, Colin G, Zane H et al. Taking temperature extremes in Australia[J]. Pig Pogress, 2001, 11 (3): 24-26.
8Tran Thi Thu Honga, Thai Thi Thuya, Volkmar Passothb and Jan Erik Lindberg. Gut ecology, feed Digestion and performance in weaned piglets fed liquid diets [J]. Livest Sci, 2009, 125 (2): 232-237.
9Tanner J W, Hitchcock J P. The effect of dietary electrolyte balance and environmental temperature on the performance and blood parameters of weanling pigs[J]. J Anim Sci, 1991, 69 (Suppl 1): 375.