Chapter 3 and 4

Chapter 3 and 4 - Climatic Environments o Tropical climates...

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Chapter 3 and 4 Factors Effecting World Agriculture Structure Importance of Animal Agriculture in the US: o Brings in lots of money o Animal’s use to humanity is function of many cultural and environmental factors o Successful species have adapted to natural and man made environments Adaptation is the adjustment made by an animal that favors its survival in a particular environment Types of Stress: o Climatic Temperature, wind, rain, radiation, etc. o Nutritional Availability and kinds of feed o Internal Pathogens and toxic substances o Geographical Terrain, elevation, etc. o Social Animal-human, animal-animal Artificial environments often result in animals being concentrated which increases internal and social stress Adaptational Changes: o Morphological or anatomical Body size, shape, hair coat, etc. o Physiological Changes in biochemistry of the body o Behavioral Learned responses in response to external stimuli
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Unformatted text preview: Climatic Environments o Tropical climates Constant temperatures, two defined seasons (wet and dry) Problems-parasites, feed availability, and heat stress o Desert Lack of water and feed, heat stress, high winds o Cold climates Cold stress and feed availability o Temperate Most productive area of the world, most developed countries are in temperate regions of the world Social and Cultural Difference: o Religion Muslims do not eat pork Jewish people do not eat pork Hindus do not eat beef Jewish peoples religion requires that meat animals be slaughtered using kosher procedures o Cultural Probably cultural preferences evolved based on use of animals Economic Development o Developed Ag-less than 10% in Ag to make money o Subsistence Ag-at least 50% to feed families o Primitive Ag-strictly food and survival...
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This note was uploaded on 10/21/2008 for the course ANSC 1011 taught by Professor Gentry during the Spring '08 term at LSU.

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Chapter 3 and 4 - Climatic Environments o Tropical climates...

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