Acknowledgements
We would like to thank Anatoliy Trokhymchuk, Dhinesh Periyasamy and Anju Tumber in Prairie Diagnostic Services, Inc. in addition to Véronique Bournival at CDVUM for technical assistance. C.A. Gagnon was financially supported by a Natural Sciences and Engineering Research Council of Canada (NSERC) discovery grant and by a Canadian Swine Research and Development Cluster (CSRDC) grant.