3Kwon C, Lee C Y, Han S J, et al. Effects of dietary supplemen- tation of lipid-encapsulated zinc oxide on colibacillosis, growth and intestinal morphology in weaned piglets challenged with enterotoxigenic Escheriehia coli[J]. Animal Science Journal, 2014,85(8) :805-813.
4Ruiz V L A, Bersano J G, Carvalho A F, et aL Case-control study of pathogens involved in piglet diarrhea[J]. BMC Re- search Notes, 2016,9 : 22.
5Jamalludeen N, Johnson R P, Shewen P E, et al. Evaluation of bacteriophages for prevention and treatment of diarrhea due to experimental enterotoxigenic Escherichia coli O149 infection of pigs? [J]. Veterinary Microbiology,2009,136(1-2) :135-141.
6Chan G,Farzan A,Prescott J F,et at. How do swine practition- ers and veterinary pathologists arrive at a diagnosis of Clostrid- ium perlringens type A enteritis in neonatal piglets? [J]. Ca- nadian Veterinary Journal, 2013,54 (5) : 504-506.
7Rostalski A. Salmonella in pig farms. Limitations of counselling and alternatives to the exclusive control of slaughter pigs. [J]. Tierarztliehe Praxis Ausgabe G Grosstiere/nutztiere, 2015,43 (5).
8Bin Z, Cheng T, Hua Y, et at. Viral metagenomies analysis demonstrates the diversity of viral flora in piglet diarrhoeic fae- ces in China.[J]. Journal of General Virology, 2014,95 (7) : 1603-1611.
9Stadler J, Zoels S, Fux R, et al, Emergence of porcine epidemic diarrhea virus in southern Germany[J]. BMC Veterinary Re- search,2015 (11) : 142.
10Chandler-Bostock R, Hancox L R,Payne H,et al. Diversity of group A rotavirus on a UK pig farm[J]. Veterinary Microbi- ology,2015,180(3-4):205-211.