Table 1.

Production volumes and price of various animal and vegetable protein sources

Protein source	Production volume (Mton DM/y)	Farm gate price ($/kg DM)	Average protein content (% DW)	Price per unit protein ($/kg protein DM)	Ref
Animal
Fish	66.7	2.07	15–20	10–14	Waite et al. (2014)
Pork	108.5	1.54	20	7.7	Waite et al. (2014)
Chicken	92.7	1.43	31	4.6	Waite et al. (2014)
Beef	62.7	2.70	25	10.8	Waite et al. (2014)
Vegetable
Soybean	320.2	0.37	35	1.1	Indexmundi (2016a); USDA (2015)
Wheat	712.7	0.19	12	1.6	FAO, 2015; Indexmundi (2016b)