00592nam a2200193Ia 4500 CTU_4005 210402s9999 xx 000 0 und d 636 F218/N.97 Frederick Vealt FAO animal production and health paper N.97 Construction and operation of medium-sized a battoirs in developing countries Frederick Vealt Rome FAO 1992 animal industry Nguyễn Quang Điền, 960530 Trung tâm Học liệu Trường Đại học Cần Thơ