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A Dry Matter Quality Approach to Planning Forage-Beef Systems*

Published online by Cambridge University Press:  28 April 2015

Kim B. Anderson  and
Odell L. Walker
Kim B. Anderson
Affiliation:
Farm Management (formerly Graduate Research Assistant)
Odell L. Walker
Affiliation:
Department of Agricultural Economics, Oklahoma State University
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Extract

Forage quality and quantity vary by species, time of year, level and time of fertilizer application and grazing system [6]. Livestock nutritional requirements change with age, rate of gain, weight, date of calving and percentage calf crop [7]. Pasture forage production and livestock forage requirements depicting both quality and quantity need to be compiled by calendar periods to determine optimal pasture programs and livestock systems.

Animal unit months (AUM) and total digestible nutrients (TDN) are the predominant measures of forage quantity produced and required. Neither measurement adequately reflects quality and quantity in forage production and beef requirements throughout the production cycles.

Type
Research Article
Information
Journal of Agricultural and Applied Economics , Volume 9 , Issue 1 , July 1977 , pp. 123 - 128
Copyright
Copyright © Southern Agricultural Economics Association 1977

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Footnotes

*

The authors acknowledge the valuable contributions of colleagues at O.S.U., the Nobel Foundation, Ardmore, Oklahoma and the S-67 Regional Research Committee

References

[1]Anderson, Kim B. “A Quality Calibrated Pasture-Forage Linear Programming Model for Organizing Livestock Farms,” Unpublished M.S. Thesis, Oklahoma State University, Stillwater, 1976.Google Scholar
[2]Blakely, Leo V. “Seasonal Price Indexes,” Oklahoma Current Farm Economics, Volume 48, No. 3, October 1975, pp. 10–19.Google Scholar
[3]Dillard, James G. “Forage Production and Utilization Systems for Cow-Calf Operations in the Brown Loam Area of Mississippi,” Unpublished Ph.D. Dissertation, Mississippi State University, 1972.Google Scholar
[4]Jones, Jakie Harry Jr. “A Linear Programming Derivation of Optimum Range Rations from Alternative Nutritive Specifications in a Whole Beef Farm Framework,” Unpublished Ph.D. Dissertation, Oklahoma State University, Stillwater, May 1974.Google Scholar
[5]Kearl, Gordon W. “Comparison of Net Energy and Animal-Unit-Month Standards in Planning Livestock Feed and Forage Requirements,” Wyoming Agricultural Experiment Research Journal 35, 1970.Google Scholar
[6]National Academy of Science. Atlas of Nutritional Data on United States and Canadian Feeds, Washington, D.C., 1971.Google Scholar
[7]National Academy of Science. “Nutrient Requirements of Beef Cattle, Number 4,: Nutrient Requirements of Domestic Animals,” 4th Edition, Washington, D.C., 1970, pp. 22–25.Google Scholar
[8] National Research Council. “Composition and Digestibility of Southern Forages,” Florida Agricultural Experiment Station, Southern Cooperative Series Bulletin 165, Gainesville, June 1971.Google Scholar