Figure 3From: Susceptibility of in vitro produced hatched bovine blastocysts to infection with bluetongue virus serotype 8Mock-exposed, non-infected hatched blastocyst. A: staining of the nuclei with Hoechst stain; B: apoptosis detection by TUNEL; C: use of Texas Red labelled secondary antibody to show the absence of BTV-8 antigen; and D: a combination of the three procedures.Back to article page