Table 3.

Comparative LD50/30 values for nonhuman primates (NHP), rhesus macaques.

Rhesus
Radiation Quality	Energy (n, x-ray, photon)	LD50/30 rads/cGy	Exposure geometry, TBI, PBI#	Source/Authors
Neutron:gamma steady state	<1Mev mixed neutron:gamma	385	rotational	Stanley et al. 1966
Neutron:gamma pulse	<1Mev	395	unilateral	Wise and Turbyfill 1968
Neutron:gamma steady state	1 Mev/ n 3:1	260a	rotational	Broerse et al. 1978; Broerse and Zoetelief 1984
Neutron:gamma prompt	---	393, 433	unilateral	Zellmer and Pickering 1960
X-ray	250 kVp	521	rotational	b5 primary studies
X-ray	300 kVp	525 a	rotational	Broerse et al. 1978; Broerse and Zoetelief 1984
Co-60 gamma	1.2 Mev	644	Bilateral	Eltringham 1967; MacVittie et al. 2015
X-rays	2 Mev	670	bilateral	Dalrymple et al. 1965
LINAC	2 Mev	754 a	bilateral	Farese et al. 2012
LINAC	2 Mev	1,088 a, c	Bilateral #	MacVittie et al. 2012

Dose response relationships (DRR) were established for animals exposed to Co-60 gamma radiation, 250 kVp x- and 2 Mev x-irradiation, mixed neutron:gamma radiation and LINAC-derived photons to include literature values for LD50/30 or LD50/60, the exposure aspect and literature source.

^asupportive care

^bEldred and Trowbridge 1954, Schlumberger and Vazquez 1954, Haigh and Paterson 1956, Henschke and Morton 1957, Stanley et al. 1966

^cpartial-body irradiation