In Lao PDR, polyculture of O. niloticus in freshwater ponds is usually integrated with rice, vegetables or livestock while in Vietnam, tilapias are farmed mostly with pig or poultry.In Israel, sex-reversed male O. niloticus and O. aureus hybrids are polycultured in earthen ponds with carp or monocultured in plastic-lined ponds at a high stocking density.