Dietary selenium and arsenic additions to diets  for chickens over a life cycle.
D000821:Animal Feed; D000818:Animals; D001151:Arsenic / Q000494:pharmacology*; D001835:Body Weight / Q000187:drug effects; D002645:Chickens; D012098:Reproduction / Q000187:drug effects; D012643:Selenium / Q000494:pharmacology*
D012643:Selenium; D001151:Arsenic