摘要：Livestock products and fish form an important component of urban consumers’ diet accounting for about one third of the total monthly budgetary expenditure on food. The budgetary share of livestock products increases with affluence or household income while the opposite is true for fish; 2) The informal market sector plays a significant role in supplying low priced meat to poor urban households with a market share only second to butcheries. Its market share is highest with regard to chicken and other poultry, and fish. Purchases from this sector tend to be small and more frequent. The middle and high income households are 10% and 15% respectively less likely to purchase fresh livestock products from the informal sector;
