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Home » Authors » Keith A. Bryan
Keith A. Bryan

Keith A. Bryan

Technical Service Specialist, Dairy and Silage / Novonesis
Email Keith A. Bryan
Articles

ARTICLES

Porosity: The true measure of silage density

Oxygen exposure during filling or feedout can convert highly digestible nutrients into waste products, costing both dry matter and cow performance.
June 11, 2026
Keith A. Bryan

You invest in every ton of forage; oxygen turns that investment into shrink by converting valuable nutrients into waste.


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Why didn’t it ferment?

Silage rarely fails to ferment; instead, shifts in moisture, packing density, crop maturity or epiphytic microbial load alter the dominant fermentation pathways. These deviations show up as unexpected ratios of lactic, acetic and butyric acids or as elevated pH.
January 16, 2026
Keith A. Bryan

When silage analyses show atypical acid profiles or pH behavior, the assumption is often that fermentation failed. In most cases, fermentation occurred, but microbial activity was redirected by moisture, substrate availability or oxygen dynamics.


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Mitigating mycotoxins: The three-legged milking stool approach

The three-legged milking stool for mitigating mycotoxins includes a research-proven silage inoculant, "binders" from multiple classes added to the TMR and effective probiotics fed to the cows.
June 13, 2025
Keith A. Bryan

Challenges with growing seasons, weather-related harvest delays and subpar silage storage can lead to mycotoxins in stored forages. Our three-legged milking stool for mitigating mycotoxins includes: a research-proven silage inoculant, binders from multiple classes added to the TMR and effective probiotics fed to the cows to help them help themselves.


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Silage pile top layer: Silage or compost?

Mismanagement of the silage pile can lead to significant damage to the top layer, which can lead to losses in quality, quantity, time and money.
March 13, 2025
Keith A. Bryan

We’ve all seen it. Top-layer spoilage – a rind of discolored, decomposing feed often laden with yeasts, molds and mycotoxins on the top of your silage bunker or pile.


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Reducing the risk of clostridial fermentation in silage

By integrating preventative measures into your forage management practices, you can minimize the risks associated with clostridia, ensuring the production of high-quality forages that contribute to the health and productivity of your cattle.
April 4, 2024
Keith A. Bryan, Kimberley Morrill, and Jim Sullivan

Clostridial fermentation can be detected in silages by its unpleasant smell, slimy appearance and dark coloration. One reason for the nasty odor is butyric acid, which has a strong "rancid butter" smell.


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Life cycle feeding of probiotics: Is she worth $50?

Science-based, research-proven LAB and bacilli strains in the right combination at the specific life stage can make "pennies become dollars" with life cycle feeding of every animal, every day on a dairy.
September 12, 2023
Keith A. Bryan and Kimberley Morrill

Ultimately, return on investment determines the value of any probiotic during a particular segment of an animal’s life or through life cycle feeding. What did we gain by spending the money to feed the effective probiotic or what did we "not lose" by feeding it?


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Strategies for corn silage success: Focus on management

May 11, 2023
Keith A. Bryan and Kimberley Morrill

As spring progresses to summer, the percentage of haylage and small grains in TMR often increases to stretch corn silage inventories or to dilute corn silage if the quality isn’t as good as we had hoped.


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Gestion des mangeoires : Fournir un accès illimité à des aliments uniformément mélangés

Une opportunité de réduire le coût marginal de l’alimentation peut être trouvée dans des rations parfaitement formulées avec des fourrages stables ajustés pour la matière sèche et des refus à 1 %.
April 28, 2023
Keith A. Bryan, David Ledgerwood, and Kimberley Morrill

L’art de la nutrition laitière a beaucoup évolué au fil des ans. L’époque où les nutritionnistes laitiers se contentaient d’équilibrer les rations est révolue.


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Supporting heat stress mitigation with feed management practices

Water availability, diet composition and feed management can reduce the risks of heat stress, which minimizes health and production losses.
April 24, 2023
Keith A. Bryan, Michele Egan, and Kimberley Morrill

The imminent summer season brings a new set of challenges, and heat stress tops the list. It's more than just a buzzword; heat stress can negatively impact every animal on your farm – regardless of age – along with you and your team. Learn what strategies you can implement to mitigate heat stress.


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Cover crop or winter forage?

It doesn’t really matter what you call them – cover crops or winter forages – as long as the attention to detail for the CCPs is tailored to the crop.
February 13, 2023
Keith A. Bryan and Kimberley Morrill

What does it matter whether we call it a cover crop or winter forage?


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View All Articles by Keith A. Bryan
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