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Agriculture, Trade and the Environment: The Pig Sector by Organisation for Economic Co-Operation and Development

By Organisation for Economic Co-Operation and Development

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Extra resources for Agriculture, Trade and the Environment: The Pig Sector (Agriculture, Trade and the Environment)

Sample text

In Yucatan, there are estimated to be more than 490 000 pigs, which generate about 29 000 cubic metres of waste water and 166 tonnes of organic waste per day. Yucatan’s water table has been absorbing much of these wastes as a direct consequence of the Peninsula’s inadequate treatment systems and a lack of knowledge concerning the linkages between production and environment degradation. Technologies to reduce the environmental impacts There are many technological options which can contribute to the mitigation of pollution from pig production.

Average number of pigs per holding in selected countries, 1990 and 20001,2 head 1000 800 600 1990 2000 400 200 Ita ly Sp ai n EU -1 2 G er m an y Fr an c Sw e ed en U ni K ted or ea K in g U ni dom te d St at e Be s lg iu m D en N mar et he k r la nd s Ja p A an us tra lia 0 Notes: 1. For Italy, France, Spain, Sweden and the United Kingdom year 1997 data are used rather than 2000. 2. 4. Sources: ABARE (2003), APC (2002), EUROSTAT, MAFF (various), Arai (2001), NACF (2002), NASS (various). 3. Average number of pigs per ha UAA in pig farming in selected countries, 1990 and 1997 50 head 40 30 1990 1997 20 10 Sources: EUROSTAT, NASS (various).

Disposal of pig manure is usually driven by lowering disposal costs rather than optimising the nutrient needs of crops and pasture, leading to detrimental environmental costs. Because pig manure is a low density nutrient fertiliser source, and costly to transport over long distances compared to inorganic fertilisers, areas with high intensity pig production usually have a surplus of nutrient manure. This has led to an increase in residual pig manure in the environment in these areas, where they can degrade water and air quality and impose human health and environmental pollution costs on society.

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