AN S 345- Final Exam Guide - Comprehensive Notes for the exam ( 49 pages long!)

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Lipolysis mobilization of triglycerides (storage form of lipids) to fatty acids, then used for energy. Beta-oxidation fatty acids moved into mitochondria to be converted to atp. What promotes hypertrophy/hyperplasia: we use confinement/feedlots to promote animal to just eat, positive energy balance, we also provide shelter ----- less energy used to keep warm/cool, genetic selection, water, step up programs. Development and growth: the sum or development and growth is progressive in nature, hammond and mcmeeken order of development, nervous tissue, bone, muscle, fat. Backgrounding taking an animal to a pasture, letting them grow, then bringing them back to the feedlot. This lets the body gain what it needs to. G(cid:396)o(cid:449)th plate (cid:272)ells do(cid:374)"t p(cid:396)olife(cid:396)ate a(cid:374)(cid:455)(cid:373)o(cid:396)e: differentiation less specialized cells becoming more to very specialized. Why does feed efficiency decrease as the animal matures: higher maintenance requirements, feed intake capacity adult animals can only eat so much, once in a positive energy balance, they are putting on more fat than muscle.

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