When you have orphaned puppies and no foster bitch, the solution is to make milk replacement.

 This is on the notion that colostrum has been provided, see how here.

 The ingredients needed are 

: 1) 340 g of unsweetened evaporated milk

 2) 369 g of boiled water..

 3) one bottle of beef baby food .

 4) 227 g of unflavored yogurt.

 5) 2 cooked eggs.

 Mix all ingredient in a bowl and blend until smooth in a blender. This mixture is refrigerated and served. This should be served at room temperature when its time to feed the puppies.

Or you can

https://veterinarymedicineechbeebolanle-ojuri.blogspot.com/2020/06/how-to-make-milk-replacement-for-puppies.html