Dairy Cattle Technical Articles

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Feeding Fat to Dairy Cows

Fat contains over two times the amount of energy found in grain. This makes it a very good energy supplement for early lactation cows. The intake of supplemental fat should not exceed 5% of the ration. This...
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3194 46

Potassium in Dairy Cow Diets

Although potassium (K) is an essential nutrient for dairy cattle, increasingly high levels in forages have made cattle more susceptible to metabolic diseases such as grass tetany, udder edema and milk fever...
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3846 1

Milk Urea Nitrogen

What is Urea? Urea is a small organic molecule composed of carbon, nitrogen, oxygen, and hydrogen. Urea is a common constituent of blood and other body fluids. Urea is formed from ammonia in the kidney a...
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3189 1

Managing Milk Composition: Maximizing Rumen Function

Various feeding management practices impact the levels of milk fat and protein concentration in raw milk. Feeding strategies that optimize rumen function also maximize milk production and milk component per...
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2150 1

Managing Milk Composition: Evaluating Herd Potential

The major components of raw milk are water, fat, protein, lactose, and minerals. These components can be influenced by many factors, including genetics and nutrition. Nutrition or dietary influences readily...
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2758 0

Antibiotics In Livestock And Poultry Production

The following article is a special collaboration from AFMA (Animal Feed Manufacturers Association) www.afma.co.za We thank their kind support. BENEFITS OF ANTIBIOTICS USED IN FOOD PRODU...
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10470 0

Phosphorus recommendations for ruminants and possible improvements

The following article is a special collaboration from AFMA (Animal Feed Manufacturers Association) www.afma.co.za We thank their kind support. All the current nutritional recommendation syste...
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2249 0

Sulphur in Ruminant Nutrition

The efficacy of a feed supplement for ruminants depends mainly on its effect on the ecology and nutrition of the micro- organisms inhabiting the rumen. Sulphur (S) has long been recognized as an essenti...
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13622 1

Feather Meal: Its Nutritional Value And Use In Dairy And Beef Rations

The following article is a special collaboration from AFMA (Animal Feed Manufacturers Association) www.afma.co.za We thank their kind support. Feathers – The Raw Material The American Association of ...
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12821 7

Diagnosing Mastitis by Milk Culture - Commonly Asked Questions

Introduction This winter OMAF vets, Raw Milk Quality staff and Livestock Advisors conducted 20 workshops about mastitis for producers. Collecting milk samples to identify mastitis-causing bacteri...
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