Applied Nutrition(ANSI 3653) - Exam 1 Questions and Answers with complete solution

Do animals have feed requirements or nutrient requirements? - Animals have specific Nutrient and Energy requirements. What role do feeds play in meeting the animal's nutritional requirements? - Feeds purpose is to carry required nutrients and could serve as a source of energy through metabolism of the nutrients at the cell level. Name the nutrients that are required by animals. Is energy a nutrient? Explain. - - Water - Carbohydrates - Proteins - Lipids - Minerals - Vitamins Energy is not a Nutrient, energy is derived from the consumption and break down of nutrients. What nutrients can be metabolized to yield energy for the animal? - - Proteins - Carbohydrates - Lipids What is the definition of feed? - Any material included into the diet or ration because of its nutrient composition and/or nutritional properties. What is the definition of a ration or diet? - 24 hour allowance of feed or mixture of feed ingredients.What is the definition of balanced ration or diet? - Implies that the ration or diet is adequate enough for the animals nutrient requirement. What is the definition of a concentrate? - Any feed ingredient with low crude fiber (<20%), and a high levels of nutrient density. (Energy, Protein, Minerals, Vitamins, Additive content) Definition of a roughage? -Feed ingredient with high crude fiber (>20%), but has low levels of nutrient density/digestibility. Define the term maintenance - Condition where an animal is neither gaining or losing weight. When is an animal in a positive energy balance? - Consumption of feed over and above the amount required for maintenance and will provide nutrients and energy to support added production functions.