In the case of a bone fracture, as long as the greater portion of the bone is covered by flesh and skin, it is acceptable for consumption. With an apparent treatment of regeneration of an animal’s limb via another animal’s bone, which seems to have been a serious treatment at the time, with consult between the sages and veterinarians. Also, a new mishnah! One who can manage it can each the following potentially stomach-turning delicacies — including the amniotic sac. Though the partial emergence of the amniotic sac would render all of it not-kosher. Note the practices of the Amorites that were prohibited. Also, when it comes to the idea of giving the placenta to the dogs — what is the rationale to specify this? Note that the question is based on the potential sanctity of a potential “bekhor” — first-born — of the animal. Which leads to the math of how many animals would be first-borns in sanctity.