By Jolly Kabirizi
- Harvest and wilt (to reduce moisture content) green and healthy sweet potato vines.
- Chop wilted sweet potato vines into 5 cm lengths and air-dry.
- Mill-chopped, air-dried vines into powder.
- Mix milled sweet potato vines with maize bran, fish meal and mineral powder.
Composition of partial milk substitute
|Inclusion level (%)
|Milled sweet potato vines
|Dairy mineral lick
Feeding sweet potato vine-based diet as partial milk substitute to calves
|Period (days after calving)
|Feeding regime for a calf
|Day 1 to 5
|6 litres/day (depending on the weight of the calf) of colostrum
|4 litres/day of milk
|Reduce milk offered to the calf by 1 litre every 14 days until weaning
|Provide high quality pastures (a mixture of pasture grass and forage legume hay)
|Provide a calf 1 kg/day of Sweet Potato Vine-Based Diet as Partial Milk Substitute
Offer the partial milk substitute as a composite marshto replace milk reduction.
A single dose of Sulfamide bolus is given to a calf two weeks after introduction of the Partial Milk Substituteto prevent nutritional scours.
|Wean the calf
Feed the calf in a pen with clean grass bedding and provide clean water all the time.