7Dorsa W J, Cutter C N, Siragusa G R. Effects of acetic acid, lactic acid and trisodium phosphate on the microflora of refrigerated beef carcass surface tissue inoculated with Escherichia coli O157 : H7, Listeria innocua , and Clostridium s poro genes [J]. Journal of Food Protection, 1997, 60(6): 619-624.
8Fuller R. A review: Probiotics in man and animal[J]. Journal Applied Bacteriology, 1989, 66: 365- 378.
9Hashemi S R, Zulkifli I, Davoodi H, et al. Growth performance, intestinal microflora , plasma fatty acid profile in broiler chickens fed herbal plant (Euphorbia h.irta ) and mix of acidifiers [J]. Animal Feed Science and Technology, 2012, 178: 167-174.
10Hinton M, Linton A H. Control of Salmonella infections in broiler chickens by the acid treatment of their feed [J].Veterinary Record, 1988, 123(6): 416-421.
