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Table 4 Characteristics of LH pulsatilityA among prepartum dietary treatments

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

  Week 1B Week 2B P
  Control Canola Sunflower Control Canola Sunflower TrtC Trt*wkD
Cows (n) 5 5 5 6 5 5   
LH Mean 0.25 ± 0.14 0.25 ± 0.15 0.28 ± 0.13 0.24 ± 0.14 0.54 ± 0.14 0.28 ± 0.14 0.53 0.51
LH Min 0.11 ± 0.06 0.10 ± 0.06 0.09 ± 0.05 0.11 ± 0.07 0.16 ± 0.07 0.10 ± 0.07 0.83 0.92
LH Max 0.62 ± 0.39 0.63 ± 0.42 1.27 ± 0.37 0.61 ± 0.39 1.49 ± 0.39 0.69 ± 0.39 0.74 0.87
Frequency 3.91 ± 0.65 4.15 ± 0.69 4.75 ± 0.60 3.45 ± 0.63 4.95 ± 0.63 4.25 ± 0.63 0.30 0.55
AmplitudeE 0.38 ± 0.10 0.39 ± 0.10 0.44 ± 0.09 0.33 ± 0.09 0.52 ± 0.09 0.36 ± 0.09 0.61 0.54
  1. ABlood samples were collected every 15 min for 6 h
  2. BWeek 1: First week postpartum; Week 2: Second week postpartum; CTrt: Dietary treatment; Dwk: Postpartum week; EThe amplitude of LH pulses is defined as the height from the preceding nadir to maximum height