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Lecture 5

AGRC 112 Lecture 5: Ag 112 lecture 5
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2 Pages
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Department
Agriculture
Course Code
AGRC 112
Professor
Takaya Kunio

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Section 1: Role of food animal production in society ( part ii)
Lecture 5
Do animals compete with humans for food / feed
Mixed / subsistence farming
-Chickens - table and kitchen wastes, cull vegetables. They provide eggs and meats if high
protein
-Swine - Similar plus higher finer forages / roots .
-Ruminants - There is no competition for food between humans because humans do not eat
any of the same food
Columbia
-Cassava - tuber capable of growth in poor soils / drought tolerant, generally consumed by the
very poor. They are using the cassava to sell it to companies for livestock feed, it is a very
common starch source.
Agriculture plays a key role in developing economies
-Local markets for produce and animal products are key in advancing rural wealth and living
standards
Modern / larger scale farming
-Plant products used for seminal production
-Grains and pulses ( pigs, poultry, cattle )
-Seeded perennial pastures ( cattle, sheep, goats )
-Native pastures ( range cattle, sheep )
Feed vs food
-Many grains are grown for human consumption but the end results is not up to the standards
for human consumption. Quality is too low
-In SK 25% of crops are not suitable for human consumption
-Some grains are specifically grown for animal food - corn is grown for livestocks
-We aren't even using 10% of the crops that we are growing. We have a small livestock sector
and a huge amount of crops going to the food. A lot of the food goes to Alberta to the feedlots
for food.
Livestock generate high value human bible product
-Livestock adds value to crops ( feeds) not suitable for human consumption
-Forages, feed grains, frozen grains, screenings, processing by products
-High quality human edible protein return as a % of protein input edible also by humans
-Ruminants are good at eating low quality protein into high quality protein
Efficiency: Ration of output to input
-Feed gain ration - how much body weight grain per kilogram of food consumed
-1/3 of al your calories go into maintenance like body temperature etc
Major reasons for differences among livestock in efficiency
1- Nutrient density of diet
2- Partitioning if energy use between dam and progeny in animal production systems
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Description
Section 1: Role of food animal production in society ( part ii) Lecture 5 Do animals compete with humans for food / feed Mixed / subsistence farming - Chickens - table and kitchen wastes, cull vegetables. They provide eggs and meats if high protein - Swine - Similar plus higher finer forages / roots . - Ruminants - There is no competition for food between humans because humans do not eat any of the same food Columbia -Cassava - tuber capable of growth in poor soils / drought tolerant, generally consumed by the very poor. They are using the cassava to sell it to companies for livestock feed, it is a very common starch source. Agriculture plays a key role in developing economies - Local markets for produce and animal products are key in advancing rural wealth and living standards Modern / larger scale farming - Plant products used for seminal production - Grains and pulses ( pigs, poultry, cattle ) - Seeded perennial pastures ( cattle, sheep, goats ) - Native pastures ( range cattle, sheep ) Feed vs food - Many grains are grown for human consumption but the end results is not up to the standards for human consumption. Quality is too low - In SK 25% of crops are not suitable for human consumption - Some grains are specifically grown for animal food - corn is grown for livestocks - We aren't even using 10% of the crops that we are growing. We have a small livestock sector and a huge amount of crops going to the food. A lot of the food goes to Alberta to the feedlots for food. Livestock generate high value human bible product - Livestock adds value to crops ( feeds) not suitable for human consumption - Forages, feed grains, frozen grains, screenings, processing by products - High quality human edible protein return as a % of protein input edible also by hu
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