Animal Science Exam 4 Questions and Complete Solutions

Animal Science Exam 4 Questions and Complete Solutions The type of amino acids that are needed by the animal and that cannot be synthesized by the animal are - Correct Ans: essential Which of the following classes of nutrients are most likely to become toxic if consumed in excess - Correct Ans: minerals Which of the following is NOT a product of rumen microbes that is utilized by the animal? - Correct Ans: Fat soluble vitamins A, D, and K A primary site for absorption of nutrients for all species is: - Correct Ans: Small Intestine Which of the following provides a more accurate indication of forage digestibility? - Correct Ans: acid detergent fiber (ADF) Where is the site of microbial fermentation in the digestive system of a horse? - Correct Ans: Cecum Which of the following is true regarding NPN? - Correct Ans: NPN stands for non - protein nitrogen When converting pounds of dry matter to pounds of "as-fed", the weight for as-fed should be greater. - Correct Ans: True When converting the percentage of a nutrient in "as-fed" feed to the percentage in dry matter, the nutrient concentration will increase (will be higher when expresses as a % of dry matter) - Correct Ans: True TDN is a measured of : - Correct Ans: energy Normal consumption of beef cows is approximately - Correct Ans: 2 - 3% of BW in dry matter Split sex feeding and phase feeding is used most often with which species and/or type? - Correct Ans: Market Hogs What are the two major functions of small intestines? - Correct Ans: Enzymatic digestion and absorption of nutrients If the feeding program for your beef cows is adequate nutritionally and you are not wasting money on unnecessary feed, your cows should be in what range of condition scores throughout the year? - Correct Ans: 5-6 Which of the following is true regarding nutrients needs of different type of horses? - Correct Ans: A maintenance ration for a 1300 Ib non working horse would be roughly 25 Ibs of hay per day VFA's or Volatile Fatty acids - Correct Ans: Result from the breakdown of cellulose by microbes. Are a major source of energy for ruminants Are a major source of energy for horses.