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Dive into the research topics where Richard V. Machen is active.

Publication


Featured researches published by Richard V. Machen.


Rangelands | 2007

What's Limiting: Quality or Quantity?: Can cattle standing in belly-deep grass actually be hungry?

Robert K. Lyons; Richard V. Machen

Range cattle performance depends on both forage quality and forage quantity. A simple, effective set of tools is available to cattlemen to help detect whether forage quality or quantity are limiting performance. Nutritional computer models have been developed to estimate beef cattle performance. Fox1 suggested that these models require 1) adequate information and 2) user under standing to adjust models to ranch levels. In other words, models can be calibrated to a ranch.


Rangelands | 2007

What's Limiting: Quality or Quantity?

Robert K. Lyons; Richard V. Machen

Range cattle performance depends on both forage quality and forage quantity. A simple, effective set of tools is available to cattlemen to help detect whether forage quality or quantity are limiting performance. Nutritional computer models have been developed to estimate beef cattle performance. Fox1 suggested that these models require 1) adequate information and 2) user under standing to adjust models to ranch levels. In other words, models can be calibrated to a ranch.


Rangelands | 2007

Feature ArticlesWhat's Limiting: Quality or Quantity?: Can cattle standing in belly-deep grass actually be hungry?

Robert K. Lyons; Richard V. Machen

Range cattle performance depends on both forage quality and forage quantity. A simple, effective set of tools is available to cattlemen to help detect whether forage quality or quantity are limiting performance. Nutritional computer models have been developed to estimate beef cattle performance. Fox1 suggested that these models require 1) adequate information and 2) user under standing to adjust models to ranch levels. In other words, models can be calibrated to a ranch.


Archive | 1999

Why Range Forage Quality Changes

Robert K. Lyons; Richard V. Machen; T. D. A. Forbes


Archive | 1999

Understanding Forage Intake in Range Animals

Robert K. Lyons; Richard V. Machen; T. D. A. Forbes


Archive | 2009

Juniper Biology and Management in Texas

Robert K. Lyons; M. Keith Owens; Richard V. Machen


Archive | 2002

Livestock Grazing Distribution: Considerations and Management

Robert K. Lyons; Richard V. Machen


Archive | 2000

Interpreting Grazing Behavior

Robert K. Lyons; Richard V. Machen


Archive | 1999

What Range Herbivores Eat -- and Why.

Robert K. Lyons; T. D. A. Forbes; Richard V. Machen


Archive | 2001

Stocking Rate: The Key Grazing Management Decision

Robert K. Lyons; Richard V. Machen

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