All dogs give birth in 63 days from conception.
Start to introduce dry food that has soaked in milk or water to become soft in low flat pan at about 3 to 4 weeks of age. They will make a mess and walk all though it but will learn it is good and start to eat.
I Have A Small Dog, She's Vomiting, Shivering, Shaking, And Not Eating; What Do These Symptoms Mean?
Very sick! Take to a vet asap!
Your dog is trying to vomit. Eating grass will help him do this. He must have something in his stomach that will not digest and need to come out. If he continues to keep doing this better see a vet soon.
Wax . Maybe an infection. Clean gently with warm water and cotton balls. If it continues see a vet.
Usually about 8 hours
About 21 days
A donkey is a breed of its own and mule in a donkey,horse mix and a jenny ( I assume that is what you mean) is a female donkey a jack is a male donkey