מבכרת המקשה לילד each limb is cut off as it emerges. Can we now feed all these limbs to the dogs?

If the majority of a limb came out, and this helps comprise exactly half of the child it is as if the whole limb came out.

After the some of a firstborn animal was born, the rest of the animal emerged from the womb while wrapped it is a בכור.

If a cow fetus dies in the womb of its mother it is not מטמא so long as it remains there.

If a camel fetus dies in the womb of its mother it is not מטמא so long as it remains there.