Abstract
It is argued that for maximising a region’s production of food for man it is necessary to calculate how much metabolisable energy for man (MEh) and digestible protein for man (DPh) the region’s land can produce by plant, animal or plant + animal husbandry. The values MEh and DPh can be easily derived from feeding tables for pigs and poultry. Such calculations show that non-ruminants usually produce less MEh and DPh than they consume.
Ruminants, however, produce considerably more than they eat, usually. It depends on the quality of the land and the climate whether more MEh and DPh can be obtained per ha by plant than by animal (ruminant) husbandry. The combination of plant and animal husbandry will give the highest production of food for man.
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© 1979 ECSC, EEC, EAEC, Brussels-Luxembourg
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van Es, A.J.H. (1979). More Food for Mankind by Plant and Animal Husbandry. In: Bowman, J.C., Susmel, P. (eds) The Future of Beef Production in the European Community. Current Topics in Veterinary Medicine and Animal Science, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9329-7_53
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DOI: https://doi.org/10.1007/978-94-009-9329-7_53
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