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. 2024 Aug 19;14(16):2398. doi: 10.3390/ani14162398

Table 2.

Effects of different levels of range cube (32% crude protein) on the intake, average daily gain, and the gain-to-feed ratio of diets with limpograss silage ad libitum.

Protein Supplement Levels (kg·d−1) * Order Effect
Intake, kg·d−1 0 1.4 2.8 4.2 SEM L Q
DM
Silage 6.4 6.5 5.2 5.2 0.01 0.070 0.190
Supplement - 1.4 2.8 4.2 0.01 <0.0001 <0.0001
Total 6.4 7.8 8.0 9.2 0.12 0.002 0.010
Total, %BW 1.9 2.3 2.3 2.7 0.03 0.010 0.020
OM Total, %BW 1.8 2.1 2.1 2.4 0.03 0.010 0.030
CP Total, %BW 0.1 0.3 0.4 0.5 0.02 <0.0001 <0.0001
NDF Total, %BW 1.3 1.6 1.6 1.8 0.02 0.010 0.020
ADG, kg −0.32 0.42 0.61 0.73 0.03 0.0003 <0.0001
G:F −0.05 0.05 0.08 0.08 0.005 0.070 0.100

* 0 = Ad libitum access to limpograss silage. 1.4 = Ad libitum access to limpograss silage and supplementation of 1.4 kg·DM·d−1 of the cube (32% CP, DM basis). 2.8 = Ad libitum access to limpograss silage and supplementation of 2.8 kg·DM·d−1 cube (32% CP, DM basis). 4.2 = Ad libitum access to limpograss silage and supplementation of 4.2 kg·DM·d−1 of the cube (32% CP, DM basis). SEM, Standard error of treatment means, n = 6 animals per treatment. L, linear effect; Q, quadratic effect; DM, dry matter; OM, organic matter; CP, crude protein; NDF, neutral detergent fiber; ADG, average daily gain; G:F, gain to feed. For silage and cubes samples, (n = 3).