Table 2 Effects of the alpine meadow in different phenology periods on the serum biochemical indices in grazing yaks

ALT², U/L

49.04

38.68

38.14

AST³, U/L

140.02

87.77

80.69

ALB⁴, g/L

39.94^b

44.88^a

39.63^b

TBA⁵, µmol/L

24.82^a

7.72^b

24.19a^b

UREA⁶, mmol/L

9.04^a

5.47^b

2.14^c

BUN⁷, mmol/l

25.31^a

15.30^b

6.18^c

CREA⁸, µmol/L

95.18^c

166.77^b

195.46^a

GLU⁹, mmol/L

4.10^b

5.69^a

3.99^b

TG¹⁰, mmol/L

0.38^a

0.43^a

0.21^b

CHO¹¹, mmol/L

3.04^ab

3.32^a

2.33^b

HDL¹², mmol/L

2.22^a

2.17^a

1.67^b

LDL¹³, mmol/L

0.65^b

0.87^a

0.53^b