Animal Nutrition Quiz #1
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45 terms
Terms | Definitions |
|---|---|
 Crude Protein | In proximate analysis, what component contains nitrates? |
| Cellulose, Hemicellulose, Lignin | What are the structural components of crude fiber? |
| Carbs, water, lipids, minerals, vitamins, protein | What are the six classes of nutrients? |
| van soest and/or crude fiber | What is the name of the analysis technique for fiber? |
| %N x 6.25 | What is the equation for finding crude protein? |
| No, they are minerals | Can inorganic matter (ash) be burned or not? what is ash essentially? |
| Nitrogen, Carbon, Hydrogen, Oxygen | What makes up organic matter? |
| 50-60% | What percentage of the total cost of your operation does feed make up? |
| Proximate analysis, van soest, specific | What are the chemical analysis tests? |
| the assumption of 16% plant protein, crude fiber assay and recovery, separation of cho and nfe, time consuming | What are the disadvantages of proximate analysis? |
| sample is combusted and nitrogen gas is given off and calculated to get % crude protein | What is done during leco analysis? |
| cellulose, hemicellulose, lignin | What is crude fiber made up of? |
| amines, amino acids, protein, nonprotein n, nucleic acids, nitrates, and b complex vitamins | What is crude protein made up of? |
| it is what the animals eats and how they use it to meet their daily requirements to function and thrive | What is nutrition? |
| any chemical element or compound in a diet that supports normal reproduction, growth, lactation, and maintenance of life processes | What is a nutrient? |
| Cause of food consumption, health, weight, performance, reproduction | Why is nutrition important? |
| NFE=100-(CP+CF+EE+Ash) | What is the equation for proximate analysis to get NFE? |
| Van Soest system | What is the method of analysis that uses detergents to solublize various portions of plant material? |
| Speed Simple and Non destructive Multiple analysis | What are 2 advantages to using the NIR? |
| Fats, oils, waxes, organic acids, pigments, and fat soluble vitamins | What is crude fat made up of? |
| Used to get crude fat. 48 hours to boil down and then weighed | Ether extract is used to get what? and how does it work? |
| Soluble fiber-helps to cleanse Insoluble fiber-slows down | Two Types of Fiber are? |
| the success of the animal and its production depends on nutrient utilization | Nutrition is important? |
| minerals | Ash is what? |
| to determine nutritional content and if it is what the animal needs to thrive and grow | Evaluating the feeds is important because? |
| Chemical analysis -Van Soest analysis -Proximate analysis -Specific chemical analysis Non destructive analysis -NIR | Methods to evaluate feed are? |
| no | Is chemical analysis faster then nondestructive? |
| no | Is Nondestructive more accurate than chemical analysis? |
| Animal Experiments -metabolism trails, feeding experiments, in vivo methods (cannulated animals) Microbial procedures -nylon bag technique, in vitro procedures, ex. take fluid from rosie to make digestion happen in lab | Ways to evaluate feeds? |
| Crude Fiber, Crude Fat, Crude Protein, NFE, Ash | Proximate analysis determines what five factors? |
| Acid and 4-5days to determine proteins | Kjeldahl uses what to boil sample and how many days to determine? |
| 4-5 minutes, by combusting sample and measures nitrogen gas | Leco takes how long and does what? |
| % Nitrogen | Both Kjeldahl and Leco determine what? |
| carbon | Inorganic means dosen't contain what? |
| some cellulose, hemicellulose, lignin; sugars, starch, pigments, water-soluble vitamins, fructants, pectins | NFE is the stuff left over after all the analysis, what can NFE contain? |
| most common method used, best way to evaluate feed w/o animal present; basis for total digestible nutrients | Proximate analysis is what? |
| Van soest system, cause it is more accurate | Crude fiber analysis was replaced by what system? |
| Neutral detergent fiber, Acid detergent fiber and cell contents | Three parts of the Van Soest system are? |
| cellulose, hemicellulose, lignin | Neutral detergent fiber is made up of? |
| cellulose, lignin | Acid detergent fiber is made up of? |
| lipids, sugars, pectins, soulble proteins, starch, water-soluble matter | Cell contents are made up of? |
| Digestibility | NDF is a predictor of what? |
| Intake | ADF is a predictor of what? |
| fast, simple preparation of sample, multiple analysis in one sample, nondestructive | NIR is a reflectance method, what are its advantages? |
| Instruments requirements, depends on calibration, requires 100s of samples, limited by availability and accuracy of calibration data base, not sensitive to minor constitutents | NIR disadvantages? |
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