One more recall incident in 2007 concerned melamine which had been purposely additional like a binder to fish and livestock feed produced in The us. This was traced to suppliers in Ohio and Colorado.[57] Melamine is noted to acquire an oral median lethal dose (LD50) of 3248 mg/kg according to https://www.tjcyindustrialchem.com/news/application-examples-of-melamine.html