if ovaries are still active, there will be some eggs inside, mostly yolks, at different stage of development [little ones and some closer to "adult yolk" size], this is normal. the meat from old hen is good for a soup, but not so good as a "fryer" - its of course edible, just needs sometimes...
Royd: now I understand, so it is jewish/muslim way. In my country draining out all blood is not popular, with one exception : to collect blood in purpose to make dish from it [blood is very nutricious and rich in iron]. Thera are few tradicional dishes from animals blood [bloof of fowl and...
This is so strange @@ in europe most popular way to kill the chicken is a good old piece of wood and the axe [cutting the head off with one hit], or dipatching the head from a body with a one move of hand. The rest looks similar:)