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Presentation

2nd Revision

Introduction

 
Data - Diet Change
Diets and Grain Demand
 

Grain
Equivalent

Food
Energy

Animal
Protein

Plant
Protein

Diet

kg
per year

kJ
per day

gram
per day

gram
per day

Vegetarian

475

10.0

8.6

66.7

Moderate

875

10.0

31.2

50.0

Affluent

1,530

11.5

63.2

28.9

Source: Luyten / Qinghua / deVries, 1996

 
These estimates assume that a affluent diet in China would cost about three times more grain than a mainly vegetarian diet. The food energy consumption of the affluent diet, however, would be only 15% higher. Protein consumption would be more than seven times higher (63 as compared to 8.6 gram per day); but with an affluent diet the people would eat less than half of the plant protein as compared to a  vegetarian diet. A seven-times increase in meat consumption would be equivalent to a tripling of grain demand.
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Revision 2.0 (First revision published in 1999)  - Copyright 2011 by Gerhard K. Heilig. All rights reserved. (First revision: Copyright 1999 by IIASA.)