Table 4.

Effects of feeding system on plasma biochemical components in Hanwoo steers

Item	Treatments1),2)		p value
	CON	TMR
Aspartate transaminase (U/L)
Growing period3)	57.25±2.98	80.11±5.09	0.016
Fattening period3)	72.75±5.39	91.00±4.29	0.200
Finishing period3)	82.50±2.25	89.23±2.83	0.119
Alanine transaminase (U/L)
Growing period	21.75±1.11	26.22±1.48	0.087
Fattening period	24.25±0.98	28.56±1.23	0.390
Finishing period	23.33±0.94	25.23±0.87	0.177
Blood urea-N (mg/100 mL)
Growing period	11.43±1.93	17.27±0.91	0.009
Fattening period	13.75±1.10	13.54±0.68	0.868
Finishing period	13.33±0.43	12.58±0.59	0.396
Glucose (mg/100 mL)
Growing period	91.00±3.19	96.78±4.58	0.447
Fattening period	88.63±3.01	93.59±4.57	0.488
Finishing period	90.42±3.21	92.86±3.08	0.615
Total protein (g/100 mL)
Growing period	6.95±0.10	6.91±0.29	0.933
Fattening period	6.84±0.30	6.87±0.21	0.928
Finishing period	7.68±0.08	7.46±0.07	0.079
Albumin (g/100 mL)
Growing period	3.43±0.03	3.40±0.15	0.917
Fattening period	3.49±0.14	3.36±0.10	0.490
Finishing period	3.53±0.07	3.42±0.03	0.138
Cholesterol (mg/mL)
Growing period	183.50±26.57	161.89±8.51	0.486
Fattening period	246.88±28.25	166.00±7.17	0.024
Finishing period	208.75±16.47	155.23±4.53	0.008
Triglyceride (mg/100 mL)
Growing period	15.75±3.57	10.44±1.40	0.115
Fattening period	14.63±0.68	10.76±0.79	0.005
Finishing period	13.75±1.36	10.59±0.92	0.007

TMR, total mixed ration; SE, standard error.

¹⁾Mean±SE.

²⁾CON, steers fed concentrate and rice straw separately; TMR, steers fed a TMR.

³⁾Growing period, 8–12 month of age; fattening period, 13–23 month of age; finishing period, 24–30 month of age.