Table 6. Results of the correlation analysis for DT and biochemical parameters of blood serum of heifer (6 months).

Indices	σ1	σ2	σ3	λ0	λ1
Total protein, g/l	↑↑↑	↓↓	↓	↑↑	↑↑↑
Albumin, g/l	↑↑	↑↑↑	↓↓↓	↑↑	↓
Triglycerides, mM	↑↑↑	↑↑	↓↓↓	↑↑↑	↑↑↑
Cholesterol, mM	↑↑↑	↑↑	↓↓↓	↑↑↑	↑↑↑
Urea, mM	↓↓	↓↓↓	↑↑↑	↓↓↓	↓↓
Glucose, mM	↑↑↑	↑↑	↓↓↓	↑↑↑	↑↑↑
Calcium, mM	↑↑↑	↑	↓↓	↑↑↑	↑↑↑
Potassium, mM	↓↓↓	↑	↑↑↑	↓↓↓	↓↓↓
Sodium, mM	↑↑↑	↑↑	↓↓↓	↑↑↑	↑↑↑
Chlorides, mM	↓↓↓	↓↓	↑↑↑	↓↓↓	↓↓↓

Notes:

↑ (↓): weak positive (negative) correlation, the correlation coefficient below 0.3.

↑↑ (↓↓): middle positive (negative) correlation, the correlation coefficient of 0.3–0.69.

↑↑↑ (↓↓↓): strong positive (negative) correlation, the correlation coefficient over 0.69 (units: σ (mN/m), λ (mN∙m⁻¹s^−1/2)).