The present study was performed to determine the protective role of dietary selenium (Se) yeast supplementation in porcine circovirus type 2 (PCV2) infected mice.Forty eight Kun Ming female mice were randomly assigned to Se yeast group (0.3%Se+basal diet,n=24) and control group (basal diet,n=24).After 3 days of adaptive feeding and 15 days treatment period with the experimental feed,all the mice were challenged by intraperitioneal injection of PCV2 at the dose of 2000 TCIDso (50% tissue culture infection dose,TCIDso).Serum total superoxide ...
