Scientists had suggested that it might one day be possible to circumvent the shortage of donor eggs from adult women by developing ways of maturing undeveloped egg cells from a fetus in the laboratory (This Week, 15 January). (newscientist.com)
The meal is made by rendering chicken slaughterhouse waste including chicken beaks, feet, entrails, even undeveloped eggs. (dogfoodchat.com)
Poultry By - Product Meal Round, rendered, and clean parts of slaughtered poultry, such as undeveloped eggs, necks, feet, and intestines. (kcregap.org)