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. 2022 Oct 24;12(21):2910. doi: 10.3390/ani12212910

Figure 2.

Figure 2

Graphs comparing the proliferating cell nuclear antigen-positive cell density in the segments of small intestine on day 21 and day 42 among groups. The data bar height shows the number of PCNA-positive cells per crypt in the two-dimensional image. These values represent the means of eight replicates per group (16 birds per group). NSD: normal stocking density, HSD: high stocking density, Se: selenium selenite, MOS: mannan oligosaccharide, SeNP: selenium nanoparticles. PCNA: proliferating cell nuclear antigen bar of the same color with different letters differs significantly between groups. A. Immuno-histochemistry micrographs (40×) showing proliferating cell nuclear antigen positive cells in duodenal crypts.