Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Performance of Cows and Their Calves Creep-Grazed on Rhizoma Perennial Peanut

M. J. Williams*,a, C. C. Chase, Jr.a and A. C. Hammondb

a USDA-ARS, STARS, 22271 Chinsegut Hill Rd., Brooksville, FL 34601
b USDA-ARS, SAA, 950 College Station Rd., Athens, GA 30604



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Fig. 1. Monthly rainfall (mm) just before and during 84-d grazing season, USDA-ARS, Subtropical Agricultural Research Station, Brooksville, FL, 1997–1999, compared with long-term average.

 


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Fig. 2. Base pasture and creep area dry matter (DM, g kg–1) availability during the 1997–1999 grazing season. Bars represent standard error.

 


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Fig. 3. Botanical composition of creep area during grazing the 1997–1999 season. Bars represent standard error.

 


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Fig. 4. Crude protein (g kg–1) concentration and in vitro organic matter disappearance (IVOMD, g kg–1) of base pasture during the 1997–1999 grazing season. Bars represent standard error.

 


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Fig. 5. Crude protein (g kg–1) concentration of rhizoma perennial peanut (RPP) and grass components of creep area during the 1997–1999 grazing season. Bars represent standard error.

 


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Fig. 6. In vitro organic matter disappearance (IVOMD, g kg–1) concentration of rhizoma perennial peanut (RPP) and grass components of creep area the 1997–1999 during grazing season. Bars represent standard error.

 


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Fig. 7. Percentage of all calves present at observation times between 0600 and 2000 h during the 1997–1999 grazing season.

 


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Fig. 8. Average daily gain (g kg–1) of Romosinuano calves with and without rhizoma perennial peanut creep in 1997 and 1999, only. Bars represent standard error.

 


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Fig. 9. Body condition score (1–9 scale) of Romosinuano calves with and without rhizoma perennial peanut creep, 3-yr average. Bars represent standard error.

 





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