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Feed Additives

Dr. Özge SIZMAZ

University of Ankara Faculty of Veterinary Medicine Department of Animal Nutrition and Nutritional Diseases,

Ankara, Turkey

Ankara Üniversitesi Veteriner Fakültesi Hayvan Besleme ve Beslenme Hastalıkları

(2)

Purpose:

1. Perfect protection by effective fermentation 2. Good quality of nutrients

Silage Feed Additives

(3)

3

1. Stimulants a. Inoculants b. Enzymes c. Sugars 1. Inhibitors

a. Aerobic (acids) b. Anaerobics

Silage Feed Additives

(4)

Inoculants

• Lactic acid bacteria (Lactobacillus spp.,

Pediococcus spp., Streptococcus spp and yeasts) Enzymes

• Cellulase, amylase, protease Sugars

• Molasses, glucose

Silage Feed Additives

(5)

5

Aerobic

• Propionic acid, sorbic acid, acetic acid,

propionate, ammonia, formic acid, lactic acid, citric acid ..

Anaerobic

• Formaldehyte, SO2

Silage Feed Additives

(6)

Stimulants

Bacteria must be 10 5 /gr in hay

Molasses : DM and lactic acid increase, pH and NH3 decrease

add 3-6% to silage

Silage Feed Additives

(7)

7

Stimulants

Whey: rich in CHO and lactic acid bacteria add 2-3%

Sugar: not common add 2-3%

Silage Feed Additives

(8)

Stimulants

Salt: bactericid

water level increase = benefial bacteria go out besides harmfulls

Limestone: to increase lactic acid concentration in maize silage

add 9kg/ton

Silage Feed Additives

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9

Inhibitors

Formic acid: most common used in silages that are rich in moisture

Propionic acid: in dry hay Acetic acid : cheap

Silage Feed Additives

(10)

Inhibitors

Salts of acids: prevent the silage by increasing the osmotic pressure

inhibit the Maillard reaxions add 1-1,5%

Silage Feed Additives

Referanslar

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