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PPT : Protein Consumption in Different Parts of the World
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* How much protein does a person require?
o Recommended Daily Allowance (RDA)
o RDA per adult mixed diet = 56 grams
o (RDA) is dependent upon body weight:
o 0.8 grams of protein per kilogram (2.2 lbs) of body weight for adults
+ 174 lb adult 63 grams of protein daily
+ 138 lb adult 50 grams daily.
o Protein consumption in different parts of the world
Livestock Production World-wide
* Enough grain produced to feed everyone – if distributed equally
* World-wide – major effort to increase livestock production 1950-1990
o Number of livestock tripled 5.3 to 15 billion
o Chickens increased the most (3 to 11 billion)
o Human population doubled
* How did the increase in livestock production occur?
o Increase in grain and Agriculture energy allocated to livestock production
Grain and Energy Costs to Produce Meat
* Traditional livestock production
o Animals turned things people could not eat into things they could eat
+ Ruminants: cattle, sheep, goats
# Grass, crop wastes
+ Pigs and fowl
# Cannot use grass
# Use crop waste, kitchen scraps
* United States Meat Production
o Grain is converted to livestock
o Inputs used to produce one kg of meat, eggs, or cheese
Energy Cost for Meat production
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Category : VegetarianSource : www.bio.ilstu.edu
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