ANSC 3080 Study Guide - Midterm Guide: Inositol, Phosphate, Inmusic Brands
4 Oct 2014
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Department of animal and poultry science, university of guelph (september december, fall, 2013) Fan, room 224 in animal science/nutrition building (annu) Mid-term examination - alternate (a closed book exam) Please briefly answer the following questions: please list the classic proximate nutrients that are common in bulky feed ingredients (10 marks). Please define what are the free water and bound water components that may exist in feeds and give a couple of feed samples that are in an air-dry basis and in fresh status (10 marks). The classic proximate nutrients include dry matter (or total moisture), gross energy (ge,), crude protein (cp), crude fat (or ether extract), crude fiber, nitrogen-free extract (eg, starch, sugars), ash (total minerals), and vitamins. The free water component is loosely contained in feed matrix, whereas the bound water component exists via hydrogen bonding with polar nutrients in feeds. Feeds that are on an air- dry basis are, eg, corn and hay.
