Whitelaw F G, Bruce L A, Eadie J M, Shand W J
Appl Environ Microbiol. 1983 Oct;46(4):951-3. doi: 10.1128/aem.46.4.951-953.1983.
The concentration of 2-aminoethylphosphonic acid has been measured in seven genera of rumen ciliate protozoa. Expressed as milligrams per gram of total nitrogen, 2-aminoethylphosphonic acid concentrations ranged from 17.2 in Ophryoscolex spp. to 72.4 in Eremoplastron spp.