
Improvement of monitoring and surveillance systems for porcine reproductive and respiratory syndrome virus in the United States swine industry
Author(s) -
Giovani Trevisan
Publication year - 2020
Language(s) - English
Resource type - Dissertations/theses
DOI - 10.31274/etd-20200624-71
Subject(s) - porcine reproductive and respiratory syndrome virus , herd , incidence (geometry) , population , virology , veterinary medicine , medicine , virus , biology , environmental health , physics , optics