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ANS 3440 Diets and Rations
Diets and rations of livestock
27
Agriculture
Undergraduate 3
04/10/2014

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Term
What is a balance for an animal is a mixture of feeds which have proper nutrient content, meets any and all restrictions, can be consumed in adequate quantity, and nutrient concentrations are expressed as % or amount per kg?
Definition
A Diet
Term
What is similar to a diet, but is the 24 hr allotment of feed given to an animal and just like a diet it is a mixture of feeds which have proper nutrient content, meets all restrictions, can be consumed in adequate quantity, but the nutrient concentration is expressed as amounts per day?
Definition
Ration
Term
To achieve production efficiency, diets and rations are formulated at what cost?
Definition
Lowest Possible cost
Term
Why would it be efficient for diets and rations to use a variety of feedstuff?
Definition
No 1 perfect ingredient
Term
What % of producing animal cost goes to feed?
Definition
60-70%
Term
What 2 reasons are diets and rations formulated to meet minimum nutrient requirements?
Definition
Cost and Excess goes into the environment
Term
What term is used to represent animal protein product on labels that saves on reprinting?
Definition
Collective terms
Term
What animals don't use the collective term on feed products?
Definition
Companion animals
Term
What is the 1 st step in formulating diets and rations using weight, age, gender, species, production level, and reproduction phase?
Definition
Identification of the animal to be fed
Term
What is the 2nd step in formulating diets and rations?
Definition
Determine the animals nutrient requirements
Term
What 2 ways are the requirements listed?
Definition
As Nutrient concentration and As Daily nutrients per animal
Term
What 2 animals are the exceptions to requirements?
Definition
Lactating dairy cow and Beef feedlot cattle
Term
How is lactating dairy cows maintenance requirement based on?
Definition
Body weight
Term
How is lactating dairy cows milk production requirement based on?
Definition
Milk fat% and Pounds of milk produced
Term
Where are the animals nutrient requirements found?
Definition
NRC tables
Term
NRC is used as a what?
Definition
Guideline
Term
NRC are general and allowances may have to be made based on what situations?
Definition
Geographical location
Term
Normally diets and rations are not individually balanced for each nutrient required. Why?
Definition
Balanced for First Limiting (rest should be met)
Term
What are the 5 nutrients of concern for all animals?
Definition
Ca, P, Protein and amino acids, Energy, and Vitamin A and E
Term
What is the 3rd step in formulating diets and rations using availability and suitability for the animal being fed, nutrient content and cost per unit of nutrient?
Definition
Selection of feedstuff
Term
What is the base ingredient for ruminants and equine diets and rations?
Definition
Forages
Term
What is the base ingredient for non ruminant diets and rations?
Definition
Grain
Term
Feedstuff composition must be expressed in the same basis as what?
Definition
Nutrient requirement
Term
What is the 4th step in formulating diets and rations?
Definition
Balance the diet and ration
Term
In the initial approach of balancing the diet and ration what 3 things need to be determined?
Definition
Nutrient concentration in diet, Daily requirement for ration, and Determine fixed ingredients
Term
To balance the variable ingredients what are the 4 approaches?
Definition
Trial and error, Pearson square, Algebraic equations, and Simultaneous equations
Term
Which approach is the oldest and is common in the meat industry to determine lean and fat trimmings?
Definition
Pearson Square
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