Author: L.A. Lawrence, Extension Animal Scientist, Horses, Virginia Tech
Publication Number 406-473, July 1996
Table 1
Daily Nutrient Requirements for Mature Horses
Crude
Weight De* Protein Lysine Calcium Phosphorus
Animal (Mcal) (g) (g) (g) (g)
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Mature Horses 880 13.4 536 19 16 11
Maintenance 1100 16.4 656 23 20 14
(First 8 mo preg.) 1320 19.4 776 27 24 17
Stallions 880 16.8 670 23 20 15
(breeding season) 1100 20.5 820 29 25 18
1320 24.3 970 34 30 21
Pregnant Mares 880 14.9 654 23 28 21
9 mo 1100 18.2 801 28 35 26
1320 21.5 947 33 41 31
10 mo 880 15.1 666 23 29 22
1100 18.5 815 29 35 27
1320 21.9 965 34 42 32
11 mo 880 16.1 708 25 31 23
1100 19.7 866 30 37 28
1320 23.3 1024 36 44 34
Lactating Mares 880 22.9 1141 40 45 29
Foaling to 3 mo 1100 28.3 1427 50 56 36
1320 33.7 1711 60 67 43
3 mo to weaning 880 19.7 839 29 29 18
1100 24.3 1048 37 36 22
1320 28.9 1258 44 43 27
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* Digestible Energy
Return to the Table of Contents section of Nutrient Requirements and Balancing Rations for Horses.