eighteenswine - Swine Genetics ANS 3384 Crossbred Boar with...

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Swine Genetics ANS 3384
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Crossbred Boar with Extreme Muscularity
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Single Gene Traits in Pigs • Color Genes E Black e j red with black spots e red • Color Inhibitor Gene I Dominant white i + normal full coloration
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Genes Affecting Meat Quality • The Halothane gene – Only homozygous recessive animals are affected (h/h) – A DNA test has been available for several years to identify heterozygotes – Homozygous individuals, when stressed, can express malignant hyperthermia – Lowered blood pH, faster breathing, high temperatures, hardened muscles, death – Associated with higher muscularity
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Genes Affecting Meat Quality • Nalpole gene (Rn) – Meat from animals with the gene loses ~7% more moisture during cooking – Meat from animals with the gene is more tender – The Rn gene is found in most breeds, especially the Hampshire – A DNA test exists – Most breeding companies are eliminating it
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A Single Gene Affecting Litter Size • A Single gene, the Estrogen Receptor
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This note was uploaded on 07/16/2011 for the course ANS 3384 taught by Professor Olson during the Spring '09 term at University of Florida.

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eighteenswine - Swine Genetics ANS 3384 Crossbred Boar with...

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