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Table 3 Effects of prepartum diets on plasma metabolites concentration

From: A prepartum diet supplemented with oilseeds high in oleic or linoleic acid reduced GnRH-induced LH release in dairy cows during second week postpartum

 

Prepartum diets

P

 

Control

Canola

Sunflower

TrtA

Trt*wkB

 

(n = 11)

(n = 10)

(n = 10)

  

NEFA(mEq/dL)

   

0.40

0.05

wk-3

81 ± 5¥

95 ± 5¥

85 ± 5

  

wk0

507 ± 54

397 ± 61

441 ± 54

  

wk1

392 ± 48

439 ± 50

453 ± 50

  

wk2

584 ± 64§a

428 ± 68§ab

381 ± 68b

  

BHBA (mg/dL)

   

0.28

0.42

wk-3

11.3 ± 0.5

9.9 ± 0.5

9.7 ± 0.5

  

wk0

10.1 ± 0.8

10.6 ± 0.8

10.3 ± 0.8

  

wk1

12.0 ± 1.0

12.9 ± 1.0

11.2 ± 1.0

  

wk2

14.2 ± 1.1

11.9 ± 1.1

11.7 ± 1.1

  

Glucose (mg/dL)

   

0.50

0.78

wk-3

56.3 ± 1.4

58.1 ± 1.3

58.7 ± 1.3

  

wk0

77.9 ± 5.3

75.9 ± 5.5

80.6 ± 5.5

  

wk1

49.8 ± 1.5

48.7 ± 1.5

50.9 ± 1.5

  

wk2

46.0 ± 1.5

47.7 ± 1.5

50.4 ± 1.5

  
  1. a,b: P = 0.03;¥ Control tended (P = 0.07) to have lower NEFA concentration than canola; §Control tended (P = 0.10) to have greater NEFA concentration than canola
  2. ATrt: Dietary treatment
  3. Bwk: Postpartum week
  4. wk-3: 2 weeks after the initiation of prepartum diets; wk0: calving; wk1: first week postpartum; wk2: second week postpartum