Forage intake in two-year old cows and heifers grazing blue grama [Bouteloua gracilis] summer range [Lincoln County, New Mexico]

Forage intake was estimated in 2-year-old cows and 2-year-old heifers grazing blue grama summer range by using the fecal output-indigestibility ratio technique. Heifers consumed only 67% as much forage as cows (1.4 vs 2.1 percent of body weight). Forage intake by cows was greater in earlier stages o...

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Bibliographic Details
Published in:Journal of range management 1980, Vol.33 (1), p.71-73
Main Authors: Rosiere, R.E, Wallace, J.D, Pieper, R.D
Format: Article
Language:English
Subjects:
Body weight
Bouteloua gracilis
Calves
Estimation methods
Ewes
Feed intake
Forage
Grazing
Heifers
Lactation
Pastures
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Summary:Forage intake was estimated in 2-year-old cows and 2-year-old heifers grazing blue grama summer range by using the fecal output-indigestibility ratio technique. Heifers consumed only 67% as much forage as cows (1.4 vs 2.1 percent of body weight). Forage intake by cows was greater in earlier stages of lactation than in later stages (2.5% of body weight at 90 days postpartum vs 1.7% of body weight at 150 days postpartum). Considerable variation occurred in estimated levels of intake.
ISSN:0022-409X
2162-2728
DOI:10.2307/3898232