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chapter one notes

by: Rebecca J Elting

chapter one notes ANIMSCI 2200.01 - 0010

Rebecca J Elting
GPA 3.4
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About this Document

basic outline from chapter 1 for intro to animal science class with Dr. Peffer. any questions/ need help feel free to email me at
Introductory Animal Sciences
Pasha Lyvers Peffer
Class Notes




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This 2 page Class Notes was uploaded by Rebecca J Elting on Monday September 12, 2016. The Class Notes belongs to ANIMSCI 2200.01 - 0010 at Ohio State University taught by Pasha Lyvers Peffer in Fall 2016. Since its upload, it has received 2 views. For similar materials see Introductory Animal Sciences in INTRO TO ANIMAL SCIENCE at Ohio State University.

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Date Created: 09/12/16
Intro to Animal science 2200.10 Chapter 1/ Day 1 notes Importance of animals: •humans have relied on animals for food and clothing for thousands of years, it won’t be until late that animals were used as companion animals and agricultural animals •today we rely on animals for farming, clothing, companionship, food, assisting the disabled and much, much more. Animals as a source of food and fiber: •we were not always omnivores, we started out as herbivores and meat was found to be easier digested and over time our intestine shrank. •about 96% of people consume meat in some form (including fish) and over 99% of people use animal products, for example, honey or bone china silverware. •see figure 1.2 in text book •averagely 27% of calories consumed is protein based calories. •see figure 1.3 in text book •meat and milk products are how most American’s get their protein, 70% of protein is consumed via animal products in America •developed countries consume 2x greater egg and milk products and 1.5x meat products when compared to the least developed countries • world wide red meat consumption has exceeded poultry consumption, but over all chicken, beef and pork are the top 3 consumed meats in the world with pork being #1 (figure 1.4 in text) •milk consumption has decreased, but cheese consumption has increased. •most milk consumed is low-fat, but most cheese consumed are American and Italian styles. •milk can be collected from cattle, water buffalo, goat, sheep, camel, yak, mare, sow reindeer and llama. •camel’s milk has a longer shelf life when compared to other milks. •60% of milk consumed in India comes from water buffaloes. •figure 1.6 shows the distribution of milk world wide Animal use beyond food: •Fiber- •animal fibers as a source of textiles includes the wool from sheep, mohair and cashmere from goats, angora from rabbits, and the fibers from llamas, alpacas, camels and yaks. •world wide, wool is the most used fiber, representing 5% of the total textile fiber production. •Land management and transportation- •grazing animals are used on lands which cannot be cultivated, so we still get products on other wise unusable land. •in regions of sub-Saharan Africa, only 10% of land is cultivated using machinery, about ¼ relied on draft animals •horses were primary way to make power during the early logging industry. •animal powered transportation is vital in some areas in the united states and across the world •in India the need for animal transportation is only going up •in parts of Africa, donkey drawn carts have increases by 74,000, and are expected to increase •Research- th -since the end of the 19 century, animal have contributed to over 1/2 of the scientific discoveries and 2/3 of the Nobel peace prizes were awarded for discoveries using animals -mice and rats are used most often especially for biomedical research. -mice and rats are used due to their affordability, availability, early maturity, and ease of care and maintence. -federal law requires animal testing before most clinical trials start -animal welfare act protects animals to ensure they are in a humane environment and if they have to be put down, they are in a humane way. -figure 1.8 shows animals used under the animal welfare act, top animals (overall used in research), and the purpose of research. -drug research is the most common, followed by vaccines and cancer. -although animals are used to research for humans, no two species are exactly alike, and no two organisms are exactly alike, although using animals can give us a leg up to the outcome on humans, there is 100% guarantee.


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