From: Effects of nutritional cues on the duration of the winter anovulatory phase and on associated hormone levels in adult female Welsh pony horses (Equus caballus)
Wheat straw
Commercial Pellets
Dehydrated alfalfa pellets
UFC
0.26/kg
0.71/kg
0.51/kg
MADC
0 g/kg
83.8 g/kg
90 g/kg
Ca
4.4 g/kg
10 g/kg
22 g/kg
P
0.7 g/kg
4 g/kg
2.2 g/kg
Mg
0.6 mg/kg
30.5 mg/kg
2.0 mg/kg