Oikomonas termo
[ref. ID; 496]
Test system
Acute toxicity (9-hr LC50 and 9-hr LC10)
Strains
Axenic culture.
Toxicants
Chlorex (sodium chlorate) 55, MCPA 750, Dipror (Dichlorprop) 640, Matrigon (chlopyralide), Benlate, Sumicidin (fenvalerate).
Test design/concentrations
In tubes with amoeba saline ("Modified Neff's Amoeba Saline" (Page 1967): NaCl 0.120, MgSO4/7H2O 0.004, CaCl2/2H2O 0.004, Na2HPO4 0.142, KH2PO4 0.136 g litre-1), bacteria (Enterobacter aerogenes), and 15 ml of the ciliate suspension.
Measurements
MPN method and Absorbance method.
Evaluations
LC10 and LC50.