1Hahn J D, Biehl R R, Baker D H. Ideal digestible lysine level for early-and late-finishing swine [J]. Journal of Animal Science, 1995,73(3): 773-774. 被引量：1
2Rebecca S M,Lee J J,Adrienne M H. The behaviour,welfore, growth performance and meat quality of pigs housed in a deep litter,large group housing system compared to a conventional confinement system [J]. Applied Animal Behaviour Science, 2007,103:12-24. 被引量：1
