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Animals Value to Humans
Terms
Nutrient Classes
Feed Calculations
Mics.
100
Name four of the basic benefits that animals provide humans.
Food - meat, milk, eggs  Non-Food Products:  Clothing - wool, leather  By-products used for consumer goods  Fertilizer - $10 billion used to  crop production  Power & Fuel  Research to improve human health  Companionship & Recreation
100
This term is the passage of liquid and digested (soluble) food across the gut wall and takes place in the small intestine.
Absorption
100
What is the rule of thumb for water consumption and name three of five functions of water
1 gallon per 100 pounds  Transportation medium throughout the body  Major cell component  Temperature Regulation  Lubrication  Metabolism (chemical reactions) • can’t utilize proteins, fats, CHO’s without water!
100
What are the rules regarding the moisture content of Feed tags = Air Dry = Dry Matter=
Feed tags =10% Air Dry = 10% Dry Matter= 0%
100
Where does nutrientant absorption take place?
Small Intestine
200
What is the relantionship between the availability of animal protein and a country's/region's economic status?
Positive relationship
200
The regurgitation of undigested food and chewing it a second time, after which it is again swallowed
Rumination
200
What is the primary function of carbohydrates?
Energy
200
A feed is found to have 10% percent crude protein and 40% dry matter on an as fed basis. What is the percentage crude protein on a dry matter basis?
25%, 10/.4= 25%
200
What nutrient class is made of inorganic substances?
Minerals
300
Where does the majority of every food dollar go? A) Farm Value B) Labor C) Marketing
C Marketing - .43
300
A group of fatty acids produced from microbial action in the rumen; examples are acetic, propionic, and butyric acids.
Volatile fatty acids (VFAs).
300
This nutrient class has 2.25x more energy that carbs and has three functions. Name the nutrient class and one of it's functions.
Fats and Lipids dietary energy supply  provides insulation and protection  source of essential fatty acids • cell structure • precursor of hormones (prostaglandins)  serve as the carrier of fat-soluble vitamins
300
Feed A is found to have 60% TDN on a dry matter basis. What percent TDN would it have given it was 20% moisture?
48% TDN
300
Name the three factors that determine feed requirements for livestock
Weight Stage of Production Level of Proformance
400
What species currently contributes the most to world meat supplies?
pork
400
The sum total of chemical changes in the body; including the “building-up” and “breaking-down” processes. (2) The transformation by which energy is made available for body uses.
Metabolism
400
Protein is comprised of amino acids. What is the difference between essential and non-essent
Essential Amino Acids  essential AAs cannot be synthesized  essential AAs must be supplied in diet Non-essential Amino Acids  used by the animal, but they are also synthesized by the animal
400
You are mixing a 1000 pound feeding ration so the final product has 20 percent crude protein. You are using Corn (8% CP) and Soybean Mean (44%). How many pounds of each will you use?
667 pounds of corn 333 pounds of SBM
400
Name three of the four types of digestion.
Chemical Physical Microbial Enzymatic
500
These kind of countries are projected to consume 2/3 of the world meat supplies by 2030.
Developing countries- increasing income
500
A carbohydrate composed of thousands of glucose molecules that forms the support structure of plants; the major carbohydrate found in forages and an important energy source of herbivores (cattle, sheep, llamas, horses). ( Most abundant energy in the world!)
Cellulose
500
Name the two functions of vitimins.
Regulators of metabolism & body functions Involved in antibody synthesis decrease the effect of stress improve disease resistance
500
The feed tag states that a feed has 25% crude protein, how much protein does the feed have on a dry matter basis?
27.7%
500
What is the Van Soest Analysis?
Measure of Neutral-detregent fiber