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Table 2 Pearson correlation coefficient between chemical composition and feed digestibility

From: Feed nutritional value of brewers’ spent grain residue resulting from protease aided protein removal

Item 1 2 3 4 5 6 7
1. DMD, %        
2. NDFD, % 0.16       
3. HCD, % −0.11 0.87**      
4. NDF, % DM −0.49** 0.50** 0.82**     
5. HC, % DM −0.50** 0.51** 0.83** 0.99**    
6. Total FA, % DM −0.06 0.37* 0.62** 0.70** 0.68**   
7. NFC, % DM 0.75** −0.36* −0.60** −0.81** − 0.82** − 0.25*  
8. CP, % DM 0.12 − 0.47** − 0.76** − 0.87** − 0.84** −0.88** 0.41**
  1. DMD dry matter digestibility, NDF neutral detergent fibre, NDFD neutral detergent fibre digestibility, FA ferulic acid, HC hemicellulose, HCD hemicellulose digestibility, NFC non-fibre carbohydrate, CP crude protein
  2. *P < 0.05, **P < 0.01