Gene ontology (GO) of the differentially expressed proteins identified in spermatozoa protein extracts from high quality samples compared with low quality groups.

<p>(A) <i>A</i>. <i>baerii</i>. (B) <i>A</i>. <i>schrenckii</i>. (C) overlapped results from both species. Red columns represent upregulated proteins and green column represents downregulated proteins.