View Full Table | Close Full ViewTable 1.

Nutritional value of the diets fed as total mixed ration for dry and lactating cows

 
Item Dry cows Lactating cows2
Dietary component, % of DM
    Corn silage 25.0 33.5
    Corn grain ground 17.2
    Alfalfa hay 15.3
    Soybean meal 7.3 9.2
    Cottonseed 7.7
    Corn flakes 7.4
    Grass hay 51.6 3.5
    Sunflower seed 2.4
    Mineral and vitamin supplement1 1.0 2.1
    Corn semolina glutinated 1.7
    Wheat straw 15.3
Chemical composition
    NEl, Mcal/kg of DM 1.4 1.5
    CP, % of DM 12.5 16.0
    NDF, % of DM 54.9 33.7
    Starch + sugar, % of DM 12.5 29.8
    Ether extract, % of DM 2.7 4.5
142.9% Ca2PO4; 28.6% urea; 14.3% MgO; 7.1% NaCl; 7.1% mineral and vitamin supplement (1500,000 IU/kg vitamin A; 150,000 IU/kg vitamin D; 7000 IU/kg vitamin E; 10 mg/kg Co; 70 mg/kg I; 1100 mg/kg Mn; 500 mg/kg Cu; 23 mg/kg Se; 4000 mg/kg Zn)
2Water was added to each ration to reach the 52% of DM B.



View Full Table | Close Full ViewTable 2.

Amount of fatty acids supplemented daily to the cows fed omega-3 fatty acids and omega-3 fatty acids and acetylsalicylic acid from 21 d before calving to the last day of pregnancy

 
Fatty acid Amount, g/d
C14:0 Myristic acid 3.06
C16:0 Palmitic acid 5.60
C16:1 ω-7 Palmitoleic acid 9.94
C18:0 Stearic acid 0.88
C18:1 ω-9 Oleic acid 11.34
C18:1 ω-7 Cis-vaccenic acid 3.14
C18:2 ω-6 Linoleic acid 1.05
C18:3 ω-3 Linolenic acid 0.37
C18:4 ω-3 Stearidonic acid 1.01
C20:0 Arachidic acid 0.07
C20:1 ω-11 Icosenoic acid 1.77
C20:1 ω-9 Eicosenoic acid 8.09
C20:2 ω-6 0.15
C20:4 ω-6 0.31
C20:3 0.09
C20:5 ω-3 Eicosapentaenoic acid 4.57
C22:0 Behenic acid 0.04
C22:1 ω-9 Erucic acid 0.69
C22:6 ω-3 Docosahexaenoic acid 6.06
C24:1 Nervonic acid 0.43
Others 15.83
Total 74.51
ω-3 total 12.02
ω-6 total 1.51