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Table 5 Effect of energy density of close-up dry period diets on EB in Holstein cows

From: Effect of reduced energy density of close-up diets on dry matter intake, lactation performance and energy balance in multiparous Holstein cows

Item Dietary treatment1 SEM P-value
HD MD LD Diet Time Interaction
EB, MJ/day
  Prepartum
   Wk −3 to −1 30.1a 15.9b 1.3c 0.94 < 0.001 < 0.001 0.34
   Wk −3 42.3a 26.8b 7.5c 3.22 < 0.001   
   Wk −2 37.2a 20.9b 3.3c 2.93 < 0.001   
   Wk −1 15.9a 6.7b −8.4c 2.34 < 0.001   
  Postpartum
   Wk 1 to 4 −45.2 −46.0 −43.1 2.2 0.66 0.09 0.99
   Wk 1 −43.5 −39.7 −31.0 4.27 0.49   
   Wk 2 −41.0 −40.2 −38.9 4.06 0.98   
   Wk 3 −51.9 −53.1 −52.3 4.48 0.99   
   Wk 4 −47.3 −47.7 −43.9 3.05 0.86   
EB, % of requirement
  Prepartum
   Wk −3 to −1 149.8 126.2 101.1     
   Wk −1 125.6 109.7 87.4     
  Postpartum
   Wk 1 to 4 72.7 73.1 75.2     
   Wk 1 72.7 73.5 79.2     
  1. 1HD high energy density diet, MD middle energy density diet, LD, low energy density diet.
  2. a, b, cValues within a row with different superscripts differ significantly at P < 0.05.