Effects of nitrates and nitrites in feed on the utilization of carotene in swine.
D000821:Animal Feed; D000818:Animals; D002338:Carotenoids / Q000378:metabolism*; D006400:Hematocrit; D006452:Hemoglobinometry; D008099:Liver / Q000032:analysis; D008708:Methemoglobinemia; D009566:Nitrates / Q000494:pharmacology*; D009573:Nitrites / Q000494:pharmacology*; D013552:Swine / Q000378:metabolism*; D014801:Vitamin A / Q000097:blood
D009566:Nitrates; D009573:Nitrites; D014801:Vitamin A; D002338:Carotenoids