i have this real nice beefmaster cow.but she seems to not have enough milk to raise a good calf.she has had 2 calves for me an neither grew off good.she is nursing the 2nd calf now.this cow is in great shape.she will weigh 1300lbs or better.her calf is about 4 months old.im leaning toward culling her now.sending her an her calf on the next load going to the sale.an putting her in the kill pen.any thoughts.