SMITH J W Ⅱ,TOKACH M D,GOODBAND R D,et al.Effects of the interrelationship between zinc oxide and copper sulfate on growth performance of early-weaned pigs[J].Journal of Animal Science,1997,75(7):1861-1866.
[6]
CARLSON M S,BOREA C A,WU C,et al.Evaluation of various inclusion rates of organic zinc either as polysaccharide or proteinate complex on the growth performance,plasma,and excretion of nursery pigs[J].Journal of Animal Science,2004,82(5):1359-1366.
[7]
MOSMANN T.Rapid colorimetric assay for cellular growth and survival:application to proliferation and cytotoxicity assays[J].Journal of Immunological Methods,1983,65(1/2):55-63.
[8]
ZHANG L,XU Y Q,LIU H Y,et al.Evaluation of Lactobacillus rhamnosus GG using an Escherichia coli K88 model of piglet diarrhoea:effects on diarrhoea incidence,faecal micrflora and immune responses[J].Veterinary Microbiology,2010,141(1/2):142-148.
[9]
BEDNORZ C,OELGESCHL?GER K,KINNEMANN B,et al.The broader context of antibiotic resistance:zinc feed supplementation of piglets increases the proportion of multi-resistant Escherichia coli in vivo[J].International Journal of Medical Microbiology,2013,303(6/7):396-403.
[10]
COMA J,CARRION D,ZIMMERMAN D R.Use of plasma urea nitrogen as a rapid response criterion to determine the lysine requirement of pigs[J].Journal of Animal Science,1995,73(2):472-481.
[11]
FUKUHARA S,SUZUKI H,MASAOKA T,et al.Enhanced ghrelin secretion in rats with cysteamine induced duodenal ulcers[J].American Journal of Physiology-Gastrointestinal and Liver Physiology,2005,289(1):G138-G145.
VAN HEUGTEN E,SPEARS J W,KEGLEY E B,et al.Effects of organic forms of zinc on growth performance,tissue zinc distribution,and immune response of weanling pigs[J].Journal of Animal Science,2003,81(8):2063-2071.
[14]
HILL G M,CROMWELL G L,CRENSHAW T D,et al.Growth promotion effects and plasma changes from Feeding high dietary concentrations of zinc and copper to weanling pigs[J].Journal of Animal Science,2000,78(4):1010-1016.