My pitbull had 6 puppies her labor last for hours the first set of 3 was born 7:30 a.m then 2 hours later the 4th one then 4 hours later the other to the third day one die now 3 days later one more just die they refuse to eat then body went to stiff up on me I have four left what can I do to save the rest I only have 4 now