feed additives
DESCRIPTION
A bird eye view for the summary of Feed Additives influencing Metabolism in Animals.TRANSCRIPT
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FEED ADDITIVES THAT ALTER METABOLISM.
AN EFFORT BY:TEAN ZAHEERDVM,FVS
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Feed Additives:Materials used in animalnutrition to :-improve feed efficiency-promote faster gains-improve animal health-increase production of animal products
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MAJOR CATEGORIES OF FEED ADDITIVES Anti bacterials & Antibiotics. Chemotherapeutics. Organic Acids Probiotics & Prebiotics. Enzymes. Botanicals. Carcass Modifiers. Flavours. Aromas. Mold inhibitor. Mycotoxin Binders. Odour Modifiers. Hormones. Beta-adrenergic agonist (ß-agonist).
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CLASSIFICATION
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FEED ADDITIVES THAT ALTER METABOLISM Beta-adrenergic agonist (ß-agonist). Hormones (somatotropin (ST) growth hormones). Organic Acids Probiotics & Prebiotics. Enzymes. Botanicals. Carcass Modifiers.
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Beta-agonists naturally occurring and synthetic organic compounds. share a common chemical structure with “phenethanolamines”. Orally effective dose is 5-30 ppm. Only two such compounds are approved by FDA (ractopamine
hydrochloride). FUNCTION: Increase skeletal muscle growth and decrease adipose tissue accumulation in growing animals.
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Hormones Anabolic hormones and somatotrophins influence metabolism. FUNCTIONS: Co-ordinates lipid, protein & mineral metabolism. Increase muscle growth. Decreases fat accumulation in growing animals. Increase milk yield.
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Organic acidsis an organic compound with acidic properties. FUNCTIONS:o organic acids reduce pH in the stomach, which
optimises conditions for pepsin activity, and o increases the digestibility of nitrogen, phosphorus and
several minerals.
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Probiotics & Prebiotics Probiotics are beneficial microbes. Prebiotics are undigestible fibers that help stabilize
beneficial microbes. FUNCTIONS: Probiotic bacteria creates acidic environment Increase pepsin activity. Helps in mineral absorption.
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Enzymes Aids in digestibility by making nutrients more
bioavailable to the animal .
May increase the effectiveness of host enzmes.
Improve digestion / absorption of nutrients. Examples: Phytase, cellusase, amylase e.t.c.
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Botanicals
comprise a wide variety of herbs, spices, and products derived thereof, and are mainly essential oils.
FUNCTIONS:o reduced bacterial colony countso a greater nutrient digestiono reflecting an overall improved gut equilibrium.
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If we stop using these then it may:
Lessen meat and livestock production.
Higher production costs.
More feed may be required.
Increase in death loss.
Increase vet bills.
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REFERENCES Banerjee,G.C.1999.Feeds & Principles of Animal
Nutrition. Oxford, IBH Publishing Co . Pvt .New Delhi India.
www.fefana.org www.poultry Hub.org www.biofeedtech.com/en/products/poultry.html www.fao.org.
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