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Table 2 % FA from blood, synthesized de novo, and calculated incorporation of acetyl-CoA into de novo synthesized FA (ACE)1

From: Gene networks driving bovine milk fat synthesis during the lactation cycle

 

Day relative to parturition

  

Item

15

30

60

120

240

SEM

P-Value2

Synthesized FA %3

46.4a

48.9ab

53.5bc

57.8c

52.8abc

2.08

< 0.01

FA from blood %4

53.6c

51.1bc

46.5ab

42.2a

47.2abc

2.08

< 0.01

ACE mol/d5

5.2a

14.0b

13.8b

12.9b

12.0b

1.46

< 0.01

ACE mol/d6

4.9a

13.7b

13.5b

12.6b

11.7b

1.42

< 0.01

Δ9-Desaturase index7

0.35b

0.33b

0.30ab

0.27a

0.30ab

0.17

< 0.01

  1. 1 The complete FA datasets (mole/day and g/100 g) are reported in Additional file 1 (Tables S6 and S7).
  2. 2Effect of day.
  3. 3 Fatty acid with carbon length 4÷14 (except 11)/tot FA (except 16:0 and 16:1).
  4. 4 Fatty acid with carbon length >16 (included 11 and 15)/tot FA (except 16:0 and 16:1).
  5. 5 ACE corrected (Additional file 1, Table S6).
  6. 6ACE corrected without considering odd chain FA (11:0, 15:0) (Additional file 1, Table S6).
  7. 7 Overall Δ9 desaturase index, calculated from (14:1 c 9 + 16:1 c 9 + 18:1 c 9 + 18:2 c 9, t 11)/(14:0 + 14:1 c 9 + 16:0 + 16:1 c 9 + 18:0 + 18:1 c 9 + 18:1 t 11 + 18:1 c 9, t 11)
  8. a,b,c denote P < 0.05
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BMC Genomics

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