Diet and behavior

Diet Selection and Grazing Behavior
Dr. Kathy Soder, USDA ARS Pasture Systems and Watershed Management Research Unit

full report (PDF)

A grazing ruminant is presented with a smorgasbord of choices when turned out onto a pasture. However, little is understood on how selection decisions are made by the animal, including …

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Total Mixed Rations for Pasture-Based Dairy Systems

Incorporating a Total Mixed Ration into Pasture-Based Dairy Systems: The Best of Both Worlds?
Kathy Soder, USDA-ARS Pasture Systems & Watershed Management Research Unit University Park, PA

Printable version (PDF)

Background

TMR

Feeding dairy cows on pasture challenges nutritionists and producers due to changing pasture quality and availability which make dry …

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Total Mixed Ration Use

A Survey of Total Mixed Ration Use on Pasture-based Dairy Farms in New York and Pennsylvania
Kathy Soder, USDA-ARS Pasture Systems & Watershed Management Research Unit University Park, PA

Printable version including tables (PDF)

Background

Feeding dairy cows on pasture challenges nutritionists and producers, which can include variations in milk …

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When to graze

How long and when should I graze my cattle?
Linking Pasture and Animal Processes
by Pablo Gregorini, USDA-ARS Pasture Systems and Watershed Management Research Unit, University Park, PA

printable version with figures

Research has shown that cattle concentrate grazing during the evening. This coincides with the highest sugar, digestibility …

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Grazing at dusk

The reason why graze cattle at dusk: Linking pasture and animal processes
by Pablo Gregorini, USDA-ARS Pasture Systems and Watershed Management Research Unit, University Park, PA

printable version with figures

The query

The outcome of a grazing strategy results from an interaction among herbage, ingestion, digestion, and nutrient absorption …

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