Lactational exposure to methylmercury in the hamster - SpringerLink - Journal Article
http://www.springerlink.com/content/ebhlwyfydhlj5gtj
Hamsters can be milked, if only for science. "Syrian Golden hamster dams were administered 203Hg-labelled methyl mercury (MeHg; 1.6 μmol/kg) 1 day after parturition and milk was collected twice during the 1st week"