MAHDZVI R,TORKI M.Study on usage period of dietary protected butyic acid on performance carcass characteristics,serum metabolite levels and humoral immune response of broiler chickens[J].Journal of Animal and Veterinary Advances,2009,8(9):1702-1709.
[4]
GEDEK B,ROTH F X,KIRCHGESSNER M,et al.Influence of fumarie acid,hydrochloric acid,sodium formate,tylosin and toyocerin on the microflora in different segment of the gastrointestinal tract.14.Investigations about the nutritive efficacy of organic acid in the rearing of piglets[J].Pig News and Information,1993,14(2):178-180.
[5]
ISLAM M Z,KHANDAKER Z H,COWDHURY S D,et al.Effect of citric acid and acetic acid on the performance of broilers[J].Journal of the Bangladesh Agricultural University,2008,6(2):315-320.