Advice

mery
Hi ladies !!
Am gonna start bottlefeed with my milk. I having experiencing some problems with my milk. I have alot & baby choking & eating too fast.. 
I try everything : massage out some milk in the shower and put ice packs on after feeding baby. 
Nothing sees to fix this !!
I just decide to bottlefeed
My question is how to keep milk in the frigde & if a pump and I wanna used the milk how long its still good ?? 
I wanna know all the tips and advice to bottle feed 
thanks