Model	Number of parameters	Log‐likelihood	AIC	BMD10 a	BMDL10 a	BMDU10 a	Converged	Accepted AIC
Null	1	−57.71	117.42	NA	NA	NA	Yes
Full	4	−43.95	95.90	NA	NA	NA	Yes
Logistic	2	−48.17	100.34	392.86	301.85	510.82	Yes	No
Probit	2	−47.89	99.78	388.11	281.08	489.20	Yes	No
Log‐logistic	3	−44.25	94.50	134.32	4.81	297.70	Yes	Yes
Log‐probit	3	−44.23	94.46	151.06	7.36	309.78	Yes	Yes
Weibull	3	−44.34	94.68	103.34	1.70	271.73	Yes	Yes
Gamma	3	−44.36	94.72	99.41	0.65	283.22	Yes	Yes
Two‐stage	3	−44.50	95.00	157.76	117.10	218.95	Yes	Yes

AIC: Akaike information criterion; BMD: benchmark dose; BMDL: benchmark dose lower confidence limit; BMDU: benchmark dose upper confidence limit.

^aResults expressed as μg/kg bw per day.