Exam One | ANSC 318 - FEEDS & FEEDING, Quizzes of Animal husbandry

Download Exam One | ANSC 318 - FEEDS & FEEDING and more Quizzes Animal husbandry in PDF only on Docsity! TERM 1 Which method is used to measure heat increment of a feed? DEFINITION 1 whole animal calorimetry. TERM 2 What is the main weakness of of the proximate analysis system? DEFINITION 2 calculating crude fiber (it does not recover 100% of the cellulose, hemicellulose, and lignin; some of the fiber components end up in the NFE fraction and variation exists in different plants) TERM 3 What is TDN? DEFINITION 3 total digestible nutrient; measures a feed's energy value and is based on the proximate analysis system TERM 4 What is TDN's weakness? DEFINITION 4 does not account for heat, urine, and gas loss TERM 5 Where is heat and gas loss greatest in? DEFINITION 5 roughage feeds; they end up being overestimated in TDN TERM 6 What is NDF? DEFINITION 6 neutral detergent fiber; consists of cellulose, hemicellulose, and lignin. It represents total fiber/cell wall content of feed. High NDF= low feed intake. More mature plants have a higher amount of NDF. TERM 7 What is ADF? DEFINITION 7 acid detergent fiber; consists of cellulose and lignin. High ADF, less digestible and less energy. TERM 8 What are some rate limiting EAA? DEFINITION 8 lysine, methionine, threonine, and tryptophan TERM 9 What vitamins do not need to be supplemented to cattle? DEFINITION 9 riboflavin, niacin, biotin TERM 10 What are the key VFA's? DEFINITION 10 propionate acetate butyrate