Effects of dietary protein sources on growth performance and immune response of weanling pigs》.pdfVIP

Livestock Science 148 (2012) 1–9 Contents lists available at SciVerse ScienceDirect Livestock Science journal homepage: /locate/livsci Effects of dietary protein sources on growth performance and immune response of weanling pigs Lianqiang Che, Liming Zhan, Zhengfeng Fang, Yan Lin, Tianhai Yan, De Wu n Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Ya’an 625014, Sichuan, China a r t i c l e i n f o a b s t r a c t Article history: A total of 320 piglets (body weight, 7.0 70.19 kg) were used to examine the effects of Received 1 January 2011 dietary protein sources on growth performance and immune response. Following the Received in revised form weaning at 22( 71) d of age, the pigs were allocated randomly to 4 treatments, with 5 29 April 2012 replicates per treatment and 16 pigs per replicate, receiving 4 experimental diets for Accepted 30 April 2012 initial 10 d and then all pigs were offered the common diet for further 22 d. The experimental diets were formulated to contain the same amounts of DE, CP, Lys and Keywords: Met on an iso-nitrogenous basis derived from different protein supplements, including Weanling pigs 4.00% spray dried porcine plasma (SDPP) (control), 4.88% soy protein concentrate (SPC), Dietary protein sources 9.