issues on animal ag

issues on animal ag - Issues in Animal Agriculture 11-10-10...

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Issues in Animal Agriculture 11-10-10
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Objective Describe the pros and cons of antibiotics use in animals Describe the pros and cons of growth promoting hormone
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Antibiotic Use in Animals Antibiotics A chemical produced by a living organism which kills other microorganisms First antibiotic discovered= penicillin produced by mold that grew on food Two ways to utilize Therapeutic At the dosage level to treat a disease Sub-therapeutic Below the dosage level to prevent a disease
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Political Issue July 2009 Obama administration Ban 7 classes of antibiotics Ban subtherapeutic uses Ban non prescribed antibiotics
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Antibiotic Resistance Antibiotic resistance existed long time ago As old as antibiotics Resistance spread by the exchange of genetic material Can create a selection bias- can create new resistance
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Use in Animals 45% of all antibiotics used 10 fold less than in humans on a per pound basis 90% are used therapeutically Treat or prevent a disease Remainder are used sub therapeutically Increased feed efficiency Increased growth rate Antibiotics decrease the thickness of intestinal wall
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issues on animal ag - Issues in Animal Agriculture 11-10-10...

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