Growth curves

Growth curves - Growth Curves 11-29-10 Objective Describe...

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Growth Curves 11-29-10
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Objective Describe Growth Curves of Animals
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Growth Increase in the mass of structural tissue (bone, muscle and connective tissue) and organs accompanied by a change in body form and composition.
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Growth Two ways tissues can grow Hyperplasia Increase in cell number Hypertrophy Increase in cell size
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Skeletal Growth Cartilage ossifies and it turns into bone (calcium and phosphorus) Blood vessels enter and marrow cavity forms Bone marrow>>blood cells As growth plates go all the way to the end, the skeletal growth stops >>mature height
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Avian Skeletal Growth Air spaces in bone Reduces weight so bird can fly Problems for turkey and broilers because muscle growth outpaces skeletal growth Thin Brittle Lightweight feathers
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Adipose Growth loose connective tissue Hyperplasia and hypertrophy at similar rates Two tissue types that grow Diposites- giant cells filled with lipid (purple) Pre-ediposites- influenced by diet and genetics Diet and Genetics Subcutaneous Exception =goats because fat is internal
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Marbling Networks Fat grows through the muscle
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Growth curves - Growth Curves 11-29-10 Objective Describe...

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