Well, it's done all the time, especially in third world countries, but mama's breat milk is much better for the baby. On the other hand, at 18 months, the child should have started eating soft baby food and even some cow or goat milk at times.
milk
warm milk in a bottle. preferably breast milk.
kitten or puppy formula
baby food milk
No you can not the cat might get cancer...
No, it's not advisable to feed a pinkie (a baby mouse or rat) regular milk. Baby rodents are typically lactose intolerant, and feeding them milk can cause digestive issues. Instead, they should be fed a specialized milk replacer designed for rodents or appropriate formula until they are old enough to eat solid food.
contact a vet immediatly. you may have to bottle-feed the puppies with special milk formula.
It would have different formulations - it is preferable to feed your goat kid specifically produced goat milk formula or if you can't get that full cream powdered milk.
no because the evaporated milk is to sweet
Lettes
Fill a pipette with baby soy milk formula (or kitten milk) and feed it to the baby mouse every 1-2 hours
around 10 gallons of milk a day