Table 2.

Least square means (± standard error of mean) of growth performance of lambs grazing South African communal rangelands supplemented with Acacia leaf-meals

Parameter	Diet				P-value
	Rangeland hay	Protein supplement	A. mearnsii	A. dealbata
Initial body weight (kg)	19.2 ± 0.06	19.2 ± 0.06	19.2 ± 0.05	19.2 ± 0.06	0.2532
Final body weight (kg)	20.0 ± 0.01b	20.7 ± 0.03a	19.8 ± 0.04b	20.5 ± 0.02a	0.0499
Dry matter intake (g)	274.4 ± 5.22c	318.9 ± 4.92a	288.6 ± 5.01b	290.4 ± 5.21b	< 0.0001
Average daily gain (g)	13.7 ± 2.67b	25.0 ± 3.07a	10.7 ± 2.33b	21.9 ± 3.67a	0.0399

^{a, b} Values with different superscripts within a row are significantly different (P ≤ 0.05)