Risk assessment of nitrate and nitrite in feed

Last updated on 14-12-2020 by Jill Alexandre

Public Access


Peer reviewed scientific article



The European Commission asked EFSA for a scientific opinion on the risks to animal health related to nitrite and nitrate in feed. For nitrate ion, the EFSA Panel on Contaminants in the Food Chain (CONTAM Panel) identified a BMDL10 of 64 mg nitrate/kg body weight (bw) per day for adult cattle, based on methaemoglobin (MetHb) levels in animal’s blood that would not induce clinical signs of hypoxia. The BMDL10 is applicable to all bovines, except for pregnant cows in which reproductive effects were not clearly associated with MetHb formation. Since the data available suggested t…

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