One recomendation I have is calcium for during and after whelping I have oral cal plus on hand and this product that was discussed in my breeding group, I have 2 jars coming this week..
Hope this helps you a bit, I am so careful to make sure my girls have plenty of calcium while lactating.. to prevent eclampsia..
here's the link..
Animed DiCal Powder 16 oz Dogs Canine Calcium Puppy | eBay
hugs,