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The language of nutrition: SARA (Sub-acute ruminal acidosis)

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Dairy basics - Feed and Nutrition
Written by Tony Hall   
Thursday, 20 August 2015 10:21

q
In layman’s terms, what does sub-acute ruminal acidosis (SARA) mean?


The period when the cow’s rumen pH is below 5.8 for more than three hours at a time is known as sub-acute ruminal acidosis (SARA).

 

The consequences of mistiming corn silage harvest

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Dairy basics - Feed and Nutrition
Written by Joe Lauer   
Wednesday, 19 August 2015 15:18

Growing high-yielding, high-quality corn is half the challenge of successful silage production. The other half is timing harvest so that forage ferments, ensiles and is preserved for later feedout.

 

Nutritional strategies protect dairy cows against heat stress

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Dairy basics - Feed and Nutrition
Written by David Kirk   
Thursday, 13 August 2015 09:46

cows and heat stress management

Cow comfort measures, such as misters and fans, can be effective steps to help protect dairy cows from heat stress. Producers, however, should not overlook the importance of feed management and nutritional strategies to help offset the effects of heat stress not only on milk production, but also cow health.

 

Video: Strategies to keep inoculant bacteria alive

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Dairy basics - Feed and Nutrition
Monday, 03 August 2015 14:56

In this video, Dr. Michelle Windle, Vita Plus forage products and dairy technical service specialist, details strategies to keep inoculant bacteria alive.

 

Video: Inoculant applicators, cleaning and maintenance

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Dairy basics - Feed and Nutrition
Monday, 03 August 2015 14:36

In this video, Jon Urness, Vita Plus national forage specialist, explains the simple steps of cleaning and maintaining your inoculant applicator.

 

Starch is a three-legged stool

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Dairy basics - Feed and Nutrition
Written by Mark Holt   
Friday, 31 July 2015 15:32

Editor’s note: This is the first of a three-part series.

In the world of dairy nutrition, with sophisticated models, curvilinear optimization and five-plus decimal accuracy, one of the greatest problems we face is delivering starch to the lactating cow with precision.

 

On-farm applications of yeast-derived carbohydrates

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Dairy basics - Feed and Nutrition
Written by Danica Baines   
Friday, 31 July 2015 15:11

cow illustrationYeast-derived carbohydrates (YDCs) indirectly act through a number of mechanisms to alleviate production issues. YDCs block the entrance to the gut subway, preventing pathogens from boarding trains and traveling to destinations within the calf-cow. Similarly, YDCs have a tug of war with pathogens for available homes in the gut, making it less likely pathogens will stay in the gut neighborhood.

 

How ruminant direct-fed microbials work

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Dairy basics - Feed and Nutrition
Written by Steve Schwager and Keith A. Bryan   
Friday, 31 July 2015 14:56

nutrition professional headingThe term “microbiome” is used to describe a community of microscopic organisms living in and on a host organism. Currently, there is a lot of interest in learning more about how specific microbiomes may affect the physiological processes of the host organism.

 


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