Three prefixes of Greek origin, are used to form scientific words: “PAN” means “TOTALITY”. Thus, pangenome is used to refer to the complete set of genes of the strains that constitute a phylogenetic clade. “EPI” means “OVER”. So, epigenetics refers to what is related to epigenesis or the traits that are formed during the development of a living being. Finally, “META” means “BEYOND”. Thus, metagenetics is used to describe the genetic facts that occur in the ribosomes of cells after the nucleus. Metagenetics is the scientific basis of pronutrient technology applied to animal nutrition.