Table 6.

Environmental impact of larvae grown on different substrates (kg of larvae dry weight).

Impact Category	Unit	Hen Diet	Maize Distillers	Okara	Brewer’s Grains
Climate change	kg CO2 eq	5.76	1.95	0.68	0.81
Ozone depletion	g CFC−11 eq	2.76 × 10−7	4.47 × 10−7	9.61 × 10−8	1.41 × 10−7
Particulate matter	g PM2.5 eq	1.66	0.45	0.31	0.42
Photochemical ozone formation	g NMVOC eq	10.2	3.39	1.91	2.38
Acidification	molc H+ eq	0.049	0.002	0.004	0.004
Terrestrial eutrophication	molc N eq	0.205	−0.001	0.003	0.001
Freshwater eutrophication	g P eq	0.50	0.61	0.20	0.28
Marine eutrophication	g N eq	37.7	2.43	0.55	0.64
Land use	kg C deficit	94.7	4.92	1.25	1.79
Water resource depletion	m3 water eq	1.26	1.16	0.75	1.06
Mineral, fossil, and ren resource depletion	kg Sb eq	2.95 × 10−5	8.06 × 10−6	−1.34 × 10−7	−1.17 × 10−6