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The language of nutrition: DCAD (Dietary cation-anion difference)

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Dairy basics - Feed and Nutrition
Written by Elliot Block   
Monday, 23 March 2015 12:07

q
In layman’s terms, what does DCAD mean?


DCAD stands for dietary cation-anion difference. It is a simple calculation of adding together the milliequivalents of dietary cations (sodium + potassium) and subtracting the sum of the milliequivalents of dietary anions (chloride + sulfur).

 

Best On-Farm Fixes: Feed pusher

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Dairy basics - Feed and Nutrition
Written by Progressive Dairyman Editor Peggy Coffeen   
Monday, 09 March 2015 13:20

Custom feed pusherPete Maslyn
Dairy Manager, Hemdale Farms
Seneca Castle, New York

Robots may be the method of milking cows at Hemdale Farms, but technology has not replaced old-fashioned creativity and ingenuity. The dairy’s manager, Pete Maslyn, has cleverly crafted an alley scraper into a dual-purpose feed pusher.

 

Survey says mycotoxins could put a dent in milk production

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Dairy basics - Feed and Nutrition
Written by Max Hawkins   
Thursday, 05 March 2015 15:30

A survey of 59 North American corn silage samples from across the U.S. and Canada from September to November 2014 were tested for mycotoxin contamination through Alltech’s 37+ mycotoxin analysis, finding an average 6.1 mycotoxins per sample.

 

The language of nutrition: EAA (Essential amino acids)

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Dairy basics - Feed and Nutrition
Written by Jessica Tekippe   
Thursday, 05 March 2015 11:04

q
In layman’s terms, what does EAA mean?


Essential amino acids (EAAs) are the amino acids that need to be supplemented in the dairy diet. Dairy cows cannot synthesize enough of these amino acids to maintain their body functions at peak levels.

 

How long do your cows receive close-up diets?

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Dairy basics - Feed and Nutrition
Written by Gene Boomer   
Friday, 20 February 2015 15:16

Properly formulated transition cow rations are an integral part of transition period success. Producers and nutritionists often spend a good deal of attention to getting these diets just right and then adjusting as necessary.

However, the best ration in the world does no good if animals do not receive it. When troubleshooting rations, it’s not uncommon to find that transition cows and first-calf heifers do not receive the rations as nutritionists and managers intended.

 

Silage contaminants: Observations and implications

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Dairy basics - Feed and Nutrition
Written by Keith A. Bryan   
Friday, 06 February 2015 15:29

There are two main classes of fungi that can be observed during the harvest, storage and feedout of ensiled forages: single cell yeasts and multicellular filamentous colonies of molds. In the field, fungal diseases of corn are characterized by yield and quality loss, and mycotoxin contamination.

 

The language of nutrition: MP (Metabolizable protein)

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Dairy basics - Feed and Nutrition
Written by Gustavo Cruz   
Wednesday, 04 February 2015 10:48

q
In layman’s terms, what does metabolizable protein (MP) mean?


Metabolizable protein (MP) is the total amount of amino acid absorbed in the small intestine. The main sources of amino acid to the intestine are rumen-undegradable protein (RUP), microbial crude protein (MCP), and to a lesser extent, endogenous crude protein (ECP).

 

Dairy nutrition terminology for new employees

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Dairy basics - Feed and Nutrition
Written by Mathew Haan   
Wednesday, 04 February 2015 10:28

The costs to produce milk continue to increase. Feed is the largest cost on the dairy, so it is important for dairy employees and individuals in industries that support dairies to have at least a basic understanding of nutritional terminology.

 


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