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ANS 320 Final Exam Questions And Verified Answers
as it relates to the nutritional digestion process, which of the following is incorrect - answer as molecules become smaller, absorption will always occur in the stomach of a canine, which digestion process is less likely to occur - answer fermemtative hindgut fermenters will have which compartment of the gastrointestinal tract more developed for fermentation - answer cecum prevention of rumen frothing can be achieved by the ingestion of which compound - answer saliva in the stomach of monogastric animals, which type of enzyme is released in the form of a zymogen, converting pepsinogen into pepsin - answer protease which of the following is an amino acid - answer lysine the large intestine of horses has which type of digestion - answer mechanical and fermentative macro nutrient absorption occurs at these sites of the small intestine - answer jejunum and ileum fatty acids in the rumen of a cow from fat digestion may be - answer -degraded to volatile fatty acids (VFA's) in the rumen -undegraded and passed into the small intestine for further digestion and absorption -saturated by rumen microbes -elongated by rumen microbes fermentation in the small intestine will produce the following compounds except - answer -none of the above vitamin A, K, C, B the following organ is responsible for mechanical digestion in avians - answer ventriculus after ingestion of macronutrients (protein, fat, or carbohydrates) some molecules will
bypass the rumen complex and be digested at - answer small intestine, which is the site of digestion when formulating a diet, it is important to evaluate and take into consideration the moisture content. This relates to which term below - answer water in feed through proximate analysis, in order to assess the mineral compositions of a feedstuff, it is necessary to analyze which portion of feed - answer inorganic the following are methods of determining the. moisture in a sample (or dry matter) - answer toluene distillation why d you use a desiccator during cooling, when performing a proximate analysis - answer to prevent moisture accumulation match the following nutrients into the proximate analysis component they should be recovered in: hemicellulose - answer crude fiber match the following nutrients into the proximate analysis component they should be recovered in: Oleic acid - answer crude fat/ether extract match the following nutrients into the proximate analysis component they should be recovered in: Lactose - answer nitrogen free extract (NFE) match the following nutrients into the proximate analysis component they should be recovered in: Copper - answer ash match the following nutrients into the proximate analysis component they should be recovered in: Tryptophan - answer crude protein if a diet contains 30% dry matter, how much moisture does it contain - answer 70%
ash - answer -calcium -iron -zinc while executing the weende protocol for fiber system, which compound is extracted through the neutral detergent step - answer -cellulose -hemicellulose -lignin NDF is related to which of the following - answer gut fill what component is found in NDF but not ADF - answer hemicellulos when it comes to feed efficiency, what is the correct ranking of least efficient to most efficient livestock - answer beef, sheep, swine, poultry, fish which information is important to collect to determine digestibility of a nutrient - answer - fecal weight -daily feed intake -nutrient concentration in the orts -orts feed efficiency can be calculated as Feed Conversion Ratio (feed to gain) or gross feed efficiency (gain to feed). Assuming we are calculating gain to feed, which value below represents the most efficient animal - answer 4
least cost diet formulation is - answer a diet formulation that meets nutrient requirements and ingredient stipulations with a minimum cost expeller soybean meal, compared with solent extracted soybean meal contains more - answer by pass protein (RUP) the majority of starch (98%) is found in what portion of the grain structure - answer endosperm which of the following animals is considered the most feed efficient - answer fish which of the following is a marker used to determine digestibility in animal experiments - answer carmine heat increment includes the folllowing - answer -work of digestion -heat of fermentation -heat of nutrient metabolism -energy lost to chewing and rumination in typical corn/soybean meal based diets, _________ is typically the limiting amino acid for swine - answer lysine forage quality can be affected by - answer -species -maturity -processing -soil
a tested grain sample determined it contains .95% total phosphorus but 70% is bound to phytate. How much of the phosphorus is available to the animal - answer .29% over feeding fat to ruminants will result in - answer decreased fiber digestion characteristics of molasses include - answer -high energy -contains NPN -highly palatable -highly laxative which type of fat has a greater rate of oxidation - answer unsaturated which amino acid is required for feather growth and protein synthesis - answer methionine what compound present in sorghum may cause decrease of digestibility - answer tannins amylose is the more digestible form of starch compared to amylopectin - answer false non protein nitrogen (NPN) is a protein source that can effectively be used in swine diets as well as ruminant diets - answer false the major concern with NPN is ammonia toxicity - answer true which of the following is an antinutritive factor in cottonseed - answer gossypol
processing helps decrease this antinutrient factor in soybean meal - answer trypsin inhibitor what feedstuff is ergot a concern - answer rye what is/are problems that may arise with feeding excessive amounts of molasses in diets - answer -scours -difficult handling -rapid fermentation in the rumen which of the following could not be fed to ruminant animals - answer lamb meal animals have requirements for amino acids, rather than protein - answer true as it relates to potential of energy released, which nutrient below is unable to provide energy - answer minerals calculate FCR for a steer that has gained 100 lb in 30 days and consumed 22 lb of feed daily - answer 6. RUP meets the amino acid requirement of a ruminant animals - answer true which of the following ingredients would be used in a nursery pig diet but NOT a gestating sow diet - answer whey
Phosphorus can be taxing on kidneys as dietary excess is excreted in the urine. Phosphorus excretion also is an environmental concern and should be managed and controlled without feeding excess in animal diets. If our diet meets phosphorus requirements but is deficient in calcium, which feed ingredient would you select - answer calcium carbonate what factors affect the maintenance energy requirement of beef cows - answer - physiology (age, sex, lactation stage) -environment (weather) -lactation period -breed which of the following is NOT a micromineral - answer -iron -cobalt -iodine -copper which of the following is true about phosphorus in swine diets - answer diets are formulated using standardized total tract digestible phosphorus (STTD P) general characteristics of forages used for feed include - answer high concentrations of fibers (such as NDF) what is the correct ranking of forages in relation to general protein concentration (high to low) - answer legumes, cool season grasses, warm season grasses
bloat in cattle is predominately caused by - answer over consumption of soluble proteins found in legumes endophyte is a fungus producing a toxic compound found in ________ a common forage grown and grazed in the Midwest - answer tall fescue vitamin ingredients added to diet formulation may be destroyed by - answer -light -heat -interactions with other vitamins -interactions with minerals ________ is the only required vitamin not found in plants. It is produced exclusively by microorganisms and cannot be synthesized chemically - answer cobalamin (B12) it is important to body condition score gestating sows because - answer -overfeeding and over fat sows in gestation have lower feed intake during lactation -very thin sows have a higher maintenance energy requirement -very thin sows are very active -overfeeding and over fat sows in gestation have lower fetal survival you are formulating a diet and need to balance for calcium without increasing phosphorus, which calcium based feedstuff do you select - answer limestone poultry are fed to meet _______ requirements - answer energy horses should be fed a forage based diet. Forage should be at minimum _______ of the
