Table 2.

NRC-recommended minimal content of arginine in diets for pigs and Texas A&M University-recommended optimal content of arginine in diets for pigs.

	Nursery piglets (5 kg BW)	Weanling piglets (10 kg BW)	Growing-Finishing pigs (20–100 kg BW)	Gestating pigs (140 kg BW at breeding)	Lactating sows
NRC (1998)a	0.59	0.54	0.37 (20 kg BW)0.19 (100 kg BW)	0.0	0.0
NRC (2012)b	0.75	0.68	0.62 (20 kg BW)0.38 (100 kg BW)	0.36 (d 0–90)0.47 (d 90–114)	0.60 (parity 1)c0.54 (parity 2)c
TAMU (2014)d	1.19	1.01	0.83 (20 kg BW)0.64 (100 kg BW)	1.03 (d 0–90)1.03 (d 0–90)	1.37

Note: Values are % of total diet, unless indicated otherwise.

BW: body weight.

^aNational Research Council (1998), Nutrient Requirements of Swine, minimal content of arginine in diets.

^bNational Research Council (2012), Nutrient Requirements of Swine, minimal content of arginine in diets.

^cStandardized ileal digestible value.

^dWu.²⁹ Texas A&M University-recommended arginine content in swine diets, optimal content of true digestible arginine in diets.