5Salmon S, Portis E, Lindeman C. Minimum inhibitory concentrations for eeftiofur and comparator antimicrobial agents against bacterial pathogens of swine. Proceedings of the AASV meeting [ M ]. Orlando, USA, 2003: 235 - 239.
6Voorspoels J, D'Haese E, De Craene B A,et al. Pharmacokinetics of florfenicol after treatment of pigs with single oral or intramuscular doses or with medicated feed for three days [ J ]. Veterinary Record, 1999,145:397 - 399.
9Oliveira S, Pijoan C. Haemophilus parasuis: new trends on diagnosis, epidemiology and control[J]. Vet. Microbiol., 2004, 99:1-12.
10Rafiee M, Blackall P.J. Establishment, validation and use of the Kielstein-Rapp-Gabrielson serotyping scheme for Haemophilus parasuis[J]. Aust. Vet. J., 2000,78:172-174.
9Gareth A, Hughes, PhD. Nanostructure--mediated drug delivery [J]. Nanomedicine, 2005, 1: 22--30.
10Rothen--Weinhold A, Gurny R, Dahn M. Formulation and Technology Aspects of Controlled Drug Delivery in Animals [J]. Pharm Sci Technol Today, 2000, 3:222--231.
