ANSC 221 Exam 2 Questions With Verified Answers

ANSC 221 Exam 2 Questions With Verified Answers what enzyme is produced in the mouth and what does it digest? - answeramylase, CHo what enzyme is activated by HCl and what does it digest? - answerpepsinogen, protein what is the enzyme that digests fat? - answerpancreatic lipase what substance emulsifies fat? - answerbile where is the substance that emulsifies fat produced? - answerliver where is sucrase produced? - answersmall intestine what does secretin do? - answercontrols intestinal secretions what does cholecystikinin do? - answerstimulates gall bladder contraction and bile and pancreatic secretions which compartment of the cows stomach is largest - answerrumen which compartment of the cows stomach is the "honeycomb" - answerreticulum which compartment of the cows stomach keeps food from moving until particle size is small? - answeromasum which compartment of the cows stomach produces HCl and pepsin - answerabomasum what is the glandular stomach of the bird that produces enzymes - answerproventiculus what organ in the bird traps stones and grinds feed - answergizzard which organ in the bird receives food eaten and holds and softens feed - answercrop which organ in the horse contains microbes that digest hay? - answercecum where is cellulose fermented in cows - answerrumen what chemical form is starch and cellulose ferment to in the cow - answerVFA's where is bicarbonate produced in the pig? - answerpancreas where is bicarbonate - answerpancreas where is trypsin produced - answerpancreas what is being analyzed when ether is passed through a sample - answerfat(lipids) what is being analyzed when nitrogen is determined by Kjeldahl - answercrude protein what is being analyzed when the sample is boiled in acid and alkali - answercrude fiber what are the newer methods for fiber determination - answerdetergent methods what is TDN used for? - answerenergy index what is the effect of test weight on feeding value - answerlittle to none two proteins are fed and pigs grow better on protein 1 than 2. the feed is not toxic. what are the two factors that best explain why - answerdigestibility of protein how well digested protein will be utilized which category of energy represents what an animal can actually use for productive purposes - answerNet E what grain was probably eaten by people in salem, MA in early american history and was likely involved in the salem witch trial incident (ergot) - answerrye what feed may likely contain gossypol - answercottonseed what feed needs to be toasted to destroy trypsin inhibitor - answersoybean list 4 grains - answercorn, wheat, oats, barley list 4 protein source feed - answersoybean meal, cottonseed meal, linseed meal sunflower list 4 byproduct feeds of grain processing: - answercorn gluten meal, wheat bran, wheat middlings, Hominy feeds list 2 different (not wet vs dry) feeds from the brewing industry: - answerspent hops, brewers yeast list 2 different feeds from distilling industry - answerdistillers grains, distillers dried yeast describe how protein digestion occurs in cattle (include DIP and UIP to be complete) - answerdegradable intake protein- the protein that is soluble and available to the microbes undegradable intake protein- the protein that is insoluble and unavailable to the microbes aflatoxin: