Feed Additives

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Transcript of Feed Additives

Title :Title :Additives That Affect the Health Status Additives That Affect the Health Status

of Livestockof Livestock

Banerjee, G.C. 1999. Banerjee, G.C. 1999. Feeds and Principles of Animal Nutrition. Oxford, Feeds and Principles of Animal Nutrition. Oxford,

IBH Publishing Co., Pvt. New Delhi, India.IBH Publishing Co., Pvt. New Delhi, India.

Consulted BookConsulted Book

Feed additives are products used in Feed additives are products used in animal nutrition for purposes of:animal nutrition for purposes of:

1.1. Improving the quality of feed.Improving the quality of feed.2.2. Improving the animals’ performance Improving the animals’ performance

and health, e.g. providing enhanced and health, e.g. providing enhanced digestibility of the feed materials.digestibility of the feed materials.

Definition:(By European Commission)

An additive is a substance that is An additive is a substance that is added to a basic feed , usually in added to a basic feed , usually in small quantities , for the purpose small quantities , for the purpose of fortifying it with certain of fortifying it with certain nutrients , stimulants or nutrients , stimulants or medicines other than a direct medicines other than a direct source of nutrient.source of nutrient.

Definition(From Recommended Book)

Antibloat CompoundsAntifungal AdditivesAnticoccidialsAntihelmintics

Additives That Affect The Health Status of Livestock

In market , several anti-bloating agents are In market , several anti-bloating agents are

available but these all are not 100% effective..available but these all are not 100% effective..

One anti-biotic,One anti-biotic,OxytetracyclineOxytetracycline has been found has been found

to be highly effective, but when use over a to be highly effective, but when use over a

period of time effectiveness is gradually period of time effectiveness is gradually

decreased.decreased.

Surfactant such as Surfactant such as PoloxalenePoloxalene is used as a is used as a

preventive for pasture bloat.preventive for pasture bloat.

Antibloat Compounds

Mould inhibtors are added to feed to prevent Mould inhibtors are added to feed to prevent the growth of fungi(i.e Penicillium,Aspergillus the growth of fungi(i.e Penicillium,Aspergillus flavus etc) in feed.flavus etc) in feed.

Before adding these commercial inhibtors all Before adding these commercial inhibtors all feed stuff should be dried below 12% feed stuff should be dried below 12% moisture.moisture.

Propionic and acetic acid are added in high Propionic and acetic acid are added in high moisture grain to prevent fungal growth.moisture grain to prevent fungal growth.

Antifungals such as copper sulphate are used Antifungals such as copper sulphate are used to concentrate feed to prevent molds.to concentrate feed to prevent molds.

Antifungal Additives

Various brands of anticoccidials are now Various brands of anticoccidials are now available in the country to prevent the growth available in the country to prevent the growth of coccidia.of coccidia.

Coccidia are protozoa and live inside the Coccidia are protozoa and live inside the intestinal lining of livestock.intestinal lining of livestock.

Anticoccidial drugs commonly used in cattle Anticoccidial drugs commonly used in cattle should be used at label recommendations should be used at label recommendations e.g Amprolium,Sulfonamides.e.g Amprolium,Sulfonamides.

Anticoccidials

In some practical conditions Antihelmintics In some practical conditions Antihelmintics are used in feed.are used in feed.

These compounds actually act by reducing These compounds actually act by reducing parasitic infections.parasitic infections.

Out of many commercial products,DVDP(2,2 Out of many commercial products,DVDP(2,2 Dichlorovinyl Dimethyl phosphate),has both Dichlorovinyl Dimethyl phosphate),has both antihelmintic and separate growth stimulatory antihelmintic and separate growth stimulatory effect in cattle.effect in cattle.

Antihelmintics