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Table 4 Treatment effects on growth performance and carcass weight of feedlot steers

From: Influence of ruminal degradable intake protein restriction on characteristics of digestion and growth performance of feedlot cattle during the late finishing phase

 

Urea fermentation potential

P- value

 

Item

0

0.6

1.2

Linear

Quadratic

SEM

Days on test

40

40

40

   

Pen replicates

5

5

5

   

Live weight (kg)1

      

Initial

469

465

470

0.83

0.28

3.22

Final

510

502

501

0.17

0.54

4.40

DMI (kg/d)

7.32

6.99

6.94

0.32

0.67

0.26

ADG (kg/d)

1.04

0.93

0.78

<0.01

0.71

0.06

G:F

0.142

0.134

0.112

<0.01

0.32

0.005

Diet NE (Mcal/kg)

      

Maintenance

2.37

2.33

2.18

0.03

0.37

0.21

Gain

1.67

1.64

1.50

0.03

0.37

0.21

Observed/expected NE

      

Maintenance

1.07

1.05

0.98

0.03

0.37

0.02

Gain

1.09

1.07

0.98

0.03

0.37

0.03

HCW (kg)

336

331

330

0.16

0.67

3.02

Dressing (%)

65.9

66.0

65.8

0.80

0.67

0.23

  1. 1Initial and final weights were reduced 4% to adjust for digestive tract fill.