Environment%20%26%20Animals%20F%20%2710

Environment%20%26%20Animals%20F%20%2710 - Surviving Finals...

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Surviving Finals Week Presented by the Student Advisory Discover what successful students say about taking exams. Wednesday, Dec. 1, 4:30-5:30 pm LWSN B151 FREE & OPEN TO ALL PURDUE STUDENTS NO RESERVATIONS Selective Cramming Dealing with Stress Scheduling Study Time BRNG 3268 765_494_5569 www.purdue.edu/a
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Click to edit Master subtitle style Environment Impact on Animals ANSC 10200 Purdue University
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Animal Environment and Adaptation Predicted and actual performance of our domesticated animals are influenced by both genetics and environment. Heritability - the proportion of phenotypic variation in a population that is inherited among individuals. (Phenotypic variation among individuals may be due to genetic and/or environmental factors.)
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Animal Environment and Adaptation In addition to genetics/breeding, animal productivity can be influenced by: a.) equipment & housing b.) management & care c.) climate d.) nutrition e.) disease f.) injury g.) stress
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Heat Loss and Heat Production “Animals” are grouped as: 1) Poikilotherms – Fish, aquatic animals, very young poultry 2) Homeotherms – All mammals and birds Heat produced = heat lost From digestion, rumen fermentation, muscle
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Comfort Zone and Critical Temperature Thermoregulation - the ability of an organism to keep its body temperature within certain boundaries, even when temperature surrounding is very different. There is a range of temperatures where animals can perform maximally, the comfort zone or thermoneutral zone.
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Heat Loss in Four Ways Radiation – exchange between two objects that are not touching – from warmer to cooler Conduction – exchange between two objects that are touching – from warmer to cooler Convection
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Environment%20%26%20Animals%20F%20%2710 - Surviving Finals...

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