Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12917-018-1724-5/MediaObjects/12917_2018_1724_Fig4_HTML.png)
Relationship between PVL of BLV and antibody titer in blood and colostrum. Correlation between (a) PVL in bloo\\\\\d and serum antibody; (b) PVL in blood and PVL in colostrum; (c) PVL in blood and colostral antibody; and (d) serum antibody and colostral antibody