Table 4.

Effect of dietary Lys concentrations on carcass characteristics of beef steers

	Treatment				P-value
	CONa	POSb	RPLc	SEMd	Trt
HCW, kg	411	393	390	8.5	0.13
Dressing percent, %	63.8	63.9	64.2	0.43	0.67
Ribeye area, cm2	87.1	90.3	88.4	2.45	0.64
Back fat, cm	1.3	1.5	1.4	0.12	0.60
KPH, %	2.79	2.83	3.09	0.19	0.38
Marblinge	477	448	440	28	0.81
Yield grade	3.51	3.34	3.38	0.20	0.87

^aCON—diet formulated to be deficient in Lys.

^bPOS—diet formulated to meet Lys requirements through feedstuffs.

^cRPL—diet formulated to meet Lys requirements through AjiPro-L (Ajinomoto Animal Nutrition North America, Eddyville, IA).

^dStandard error of the mean.

^eMarbling scores: small = 400, modest = 500.