I feed 2kg per lactating sow and gradually increase feed intake over the following 7 to 10 days up to a maximum of 2kg plus 0.4kg per piglet split over two feeds, during summer but increase to 2.5kg plus 0.4kg during winter.
I mix my feed with water as this results in a better uptake than when offered just dry and also prevents wastage.
I wean at between 6 to 8 weeks depending on litter size