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Home » Authors » Sam Wyffels
Sam Wyffels

Sam Wyffels

Assistant Professor / Montana State University
Email Sam Wyffels
Articles

ARTICLES

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Nailing down the right source and amount of salt

Producers often have questions about why their cattle aren’t consuming as much protein and mineral supplement as they’d like. The answer might be an excess of salt in the diet.
March 2, 2026
Sam Wyffels

In recent years, a growing number of ranchers across the West have begun asking a similar question: Why, when salt is offered in multiple forms, do cattle suddenly stop consuming their mineral supplement?


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Keeping your cow herd healthy and productive this winter

Colder weather means your cows' energy requirements are higher. Keep these tips in mind to determine how your cows are doing and to help them thrive this winter.
October 30, 2025
Sam Wyffels

Colder weather means your cows' energy requirements are higher. Keep these tips in mind to determine how your cows are doing and to help them thrive this winter.



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Adopting technology to increase efficiency in grazing systems

Producers face challenges in keeping track of their cattle’s location and behavior on pasture. With the help of technology like GPS and accelerometers, producers can more proactively help their animals reach their potential.
July 9, 2025
Sam Wyffels

For generations, managing beef cattle across the vast and rugged landscapes of the American West has relied on traditional stockmanship and an intimate knowledge of the land. Now, new technologies are available to augment these established practices, offering producers a more detailed, real-time view of their herds.


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Selecting cattle that maintain body condition and productivity on pasture

To help ensure your cattle will work on your outfit, carefully consider factors such as forage conditions, cow size and past performance.
March 4, 2025
Sam Wyffels

Selecting cattle that match the forage resources and environment of an operation is essential for long-term success. But how can producers identify and select animals that will maintain body condition throughout the grazing season?



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Managing beef cattle to get the best use of fall/winter forage

Low-quality forages can be a limiting factor in keeping cows in proper condition for calving, lactation and rebreeding, but there are tools available to maintain reproductive health and efficiency.
November 12, 2024
Sam Wyffels

Nutritional management plays a central role in promoting the health, productivity and reproductive success of beef cattle.



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Factors impacting forage quality for grazing beef cattle

As the seasons progress, the nutrient content of grazing forages evolves. Understanding what is going on in those plants can help you provide your cattle with the highest plane of nutrition possible throughout the year.
June 5, 2024
Sam Wyffels

As the summer months progress, the forage quality for grazing cattle begins to change rapidly for much of the western U.S. Cattle performance is dependent on the consumption of digestible nutrients; thus, forage quality and availability are essential for grazing-based systems.


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Post-calving nutritional considerations

As summer turnout approaches, making sure your cows are getting adequate nutrition to maintain lactation and be ready for rebreeding can be a tricky proposition. Here are some tips to keep them on track.
March 7, 2024
Sam Wyffels

Developing a nutritional program that meets the needs of lactation and facilitates a return to cyclicity before the subsequent breeding season takes an understanding of how cattle partition nutrients and how that impacts their overall nutritional requirements.


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