Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs42269-019-0172-0/MediaObjects/42269_2019_172_Fig4_HTML.png)
Representative micrograph of liver section (× 400) of broiler chicks fed 0.6% PCM supplemented diet. This section shows the proliferation of polymorphonuclear and mononuclear cells (arrow and star), activation of liver macrophage system the Kupffer cells (arrowhead)