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Table 1 Ingredient and nutrient composition of prepartum TMR diets and fatty acid content of canola and sunflower seed

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
  Control Canola Sunflower
Ingredient composition (% DM)    
Barley silage 60.0 60.0 60.0
Alfalfa hay 10.0 10.0 10.0
Ground barley 10.0 10.0 10.0
Soybean hulls 10.0 6.2 3.4
Canola meal 5.0 0.8 3.6
Canola seedA 0.0 8.0 0.0
Sunflower seedB 0.0 0.0 8.0
Vitamin / mineral supplements 5.0 5.0 5.0
Nutrient Composition (% DM)    
Crude protein 14.2 13.8 14.4
NDF 42.0 41.3 40.1
Crude fat 2.7 7.4 6.2
Net energy for lactation (Mcal/kg) 1.4 1.6 1.5
  1. ATotal fat: 45.2 %; Fatty acid content (% of total fat): 61.2 % oleic, 18.8 % linoleic, 9.6 % linolenic, 10.4 % other
  2. BTotal fat, 43.3 %; Fatty acid content (% of total fat): 12.5 % oleic, 73.1 % linoleic, 0.7 % linolenic, 13.7 % other
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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