The potential of genetically modified food crops to improve human nutrition in developing countries
In: Peace research abstracts journal, Band 44, Heft 4, S. 79
ISSN: 0031-3599
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In: Peace research abstracts journal, Band 44, Heft 4, S. 79
ISSN: 0031-3599
In: The journal of development studies: JDS, Band 43, Heft 1, S. 79-96
ISSN: 0022-0388
Meeting the world demand growth in meat, milk and eggs requires increasing quantities of food crops to feed livestock. Feed/output ratios are known at local scales but not at national levels where heterogeneous breeding systems are coexisting. To fill this gap, we estimate over 47 years (1961-2007) with millions of FAO data how many calories and proteins of plant food products (PFP, mainly cereals and oilcakes, imported or locally produced) were used by countries for their animal food production (AFP). The empirical findings served to document and discuss the declining average productivities of PFP in AFP over the years, and to parameterize a simple model of livestock production that well simulate past evolutions in seven world regions. Results are also used to explore the need for food crops in 2050 according to five hypothetical scenarios of human diets ranging from "full veganism" to "full westernization". Simulations show that plant food production should increase from 4 to 131 compared to 2007 while the population increases by 36%.
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In: Scientific African, Band 8, S. e00442
ISSN: 2468-2276
In: Environmental science and pollution research: ESPR, Band 29, Heft 7, S. 10091-10100
ISSN: 1614-7499
World Affairs Online
In: Kasetsart journal of social sciences
ISSN: 2452-3151
In: Development economics and policy 42
In: Discussion paper series 18
In: The journal of development studies, Band 43, Heft 1, S. 79-96
ISSN: 1743-9140
In: Working Paper, 247
World Affairs Online
In: Environmental science and pollution research: ESPR, Band 21, Heft 9, S. 6025-6033
ISSN: 1614-7499
In: Environmental science and pollution research: ESPR, Band 30, Heft 15, S. 44963-44984
ISSN: 1614-7499
In: The European journal of development research, Band 34, Heft 6, S. 2651-2665
ISSN: 1743-9728
World Affairs Online