By Christopher Delgado, Mark Rosegrant, and Siet Meyer
Population growth, urbanization, and income growth in developing countries are fueling a “Livestock Revolution” in which demand for food of animal origin is skyrocketing, with profound implications for human health, livelihoods, and the environment. Over the past three decades, developing countries have begun to catch up with livestock product consumption levels in the developed world, but average per capita consumption is still one-third that of the developed countries. The future is explored with IFPRI’s IMPACT global food model, which includes data for 36 country groups and 22 commodities.
The model’s baseline scenario projects that consumption of meat and milk in developing countries will each grow 2.9% per year between 1996/98 and 2020, dwarfing developed country growth rates. By 2020, developing countries will produce 63% of the world’s meat and 50% of the world’s milk. The increase in livestock production will cause annual feed consumption of cereals to rise by 265 million metric tons by 2020. While some are concerned that such large increases will raise cereal prices substantially over time, real prices of feed commodities are projected to remain stable through 2020 because of adjustments in production patterns and yield improvements.
By and large, most livestock products will be produced where they are consumed. However, net meat and milk imports into developing countries from developed countries will increase from 0.76 million mt and 20.01 million mt in the late 1990’s to 5.71 million mt and 33.70 million mt, respectively, in 2020. Most of the trade flows equilibrating livestock demand with supply will occur in the feed cereals market. Developing countries will increase their net annual cereal imports for all purposes by 98 million mt, for a total of 200 million mt, about half of which is for feed.
Livestock benefit the poor by alleviating the micronutrient deficiencies prevalent in developing countries and by directly alleviating poverty. The rural poor tend to get a higher share of their income from livestock than better-off rural people. But market displacement by rapid industrialization of production, abetted by widespread subsidies for large-scale credit and land use, could harm this major mechanism of income and asset generation for the poor.
The environmental effects of the Livestock Revolution are also worrisome. The large concentrations of animals in peri-urban areas needed to meet growing urban meat and milk demand have led to the degradation of grazing areas and pollution. Policies have encouraged resource degradation and pollution by shielding both producers and consumers from the true costs of environmental degradation.
Policy can do little to alter the widespread increase in demand for livestock products in developing countries. Policy can, however, help make the form the Livestock Revolution takes as beneficial as possible to the poor. Small-scale producers must be linked vertically with processors and marketers of perishable products. Policy can help by remedying distortions that promote artificial economies of scale, such as subsidies to large-scale credit and grazing. Regulatory mechanisms for dealing with the health and environmental problems arising from livestock production also need to be developed in tandem with appropriate technologies for pollution control.
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