Yet more than 50 per cent of Italians are now opting for diets containing red meat and processed foods high in fat and sugar.
Coupled with the demand for diets richer in protein, the projections mean that food production may need to double by later in the century.
Relish the flavour of fresh vegetables - cheap enough to meet the Jamie Oliver challenge, healthy enough to do away with the need for diets and all those proprietary medicines.
As the global population surges towards a predicted 9.1 billion people by 2050, western tastes for diets rich in meat and dairy products are unsustainable, says the report from United Nations Environment Programme's (UNEP) international panel of sustainable resource management.
John Tierney's column "Real Evidence for Diets That Are Just Imaginary" (Findings, Dec. 14) suggests that people will eat less of something if they first imagine themselves eating it.
It can be used to account for diets that contain higher proportions of meat, which requires a greater amount of energy and nutrients to produce than vegetables and grains, and foods that have been transported long distances.
The preference for diets supplemented with DLM was more pronounced at higher Met supplementation levels.
However, true DM digestibility was greatest for diets supplemented with SB.
There was a trend for increased flow of microbial N for diets supplemented with SFC.
Milk yield was highest for diets CP18-CU and CP18+CU.
Lignin digestibilities were positive for diets 50BL00 (9.4%) and 75BL00 (29.6%) unlike those for year 1999.
