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Table 1 Intake and milk production results during intraruminal administration of rumen-protected conjugated linoleic acid (CLA) (J Dairy Sci 2005, 88:1685–1693).

From: Physico-chemical modifications of conjugated linoleic acid for ruminal protection and oxidative stability

 

Treatment1

 

P

 

Control

Ca-CLA

FP-CLA

SEM

CLA2

Type3

DMI, kg/d

23.6

23.1

23.3

1.13

0.68

0.84

Milk yield, kg/d

21.9

20.6

19.5

2.32

0.31

0.57

Milk fat

      

   %

3.61

2.61

2.34

0.27

< 0.01

0.18

   g/d

788

517

441

42

0.02

0.30

Milk protein

      

   %

3.16

3.38

3.48

0.17

0.08

0.40

   g/d

690

673

669

50

0.64

0.93

SCC, ×1000

150

114

137

98

0.44

0.52

  1. 1Values represent mean from d 6 and 7 for control (no added lipid) and intraruminal administration calcium salts of CLA (Ca-CLA) and formaldehyde-protected CLA (FP-CLA).
  2. 2Contrast between control and the combined CLA treatments.
  3. 3Contrast between Ca-CLA and FP-CLA treatments.
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Nutrition & Metabolism

ISSN: 1743-7075

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