An Economic Analysis of Retention of Yearlings on Range and Potential Effects on Beef Production

Hewlett, David B.; Workman, John P.

doi:10.2307/3897660

Journal of Range Management

1978

DOI: 10.2307/3897660

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An Economic Analysis of Retention of Yearlings on Range and Potential Effects on Beef Production

David B. Hewlett¹,

John P. Workman²

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Cited by 2 publications

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“…seasonal range forage, considerable efficiency may still be gained by practices designed to alleviate seasonal forage L1 bottlenecks" (Hewlett and Workman 1978). Proper selection of alternatives is crucial.…”

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Optimization of Range Improvements on Sagebrush and Pinyon-Juniper Sites

Evans¹,

Workman²

1994

Journal of Range Management

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The opthnum combination of 3 range improvements was determined for private lands on Utah ranches. While many promising range improvements are available, determination of which altematives to implement must consider the total ranch operation. Linear programming (LP) makes it possible to simultaneously determine the profit maximizing combinations of range improvements and how these improvements will affect the total ranch operation. The study examined 3 range improvements (revegetation, burning, and chemical brush control) for big sagebrush (Artemisia tridkntuta NW.) and pinyon-juniper (Pinus spp.-juniperur spp.) on upland loam and upland shallow loam range sites. Net present value analysis and an LP model were used to identify the most efficient alternative, the limithtg constraints, and the optimum levels and combinations of alternatives. The optimal solution ran 238 brood cows compared to 196 for the typical Utah ranch. Burning big sagebrush or pinyon-juniper infestations on crested wheatgrass (Agropyron desertorum Fisch. ex Link) foothill ranges was the most profitable range improvement. Annual net cash incomes after burning sagebrush or pinyon-juniper on the upland loam site were S37,873 and S37,770, respectively, compared to S31,278 on the typical Utah cow-calf operation. The optimal solution will change as input and product prices change. The model was designed for application to specific ranches rather than to make general recommendations for the typical Utah ranch.

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confidence: 99%

Optimization of Range Improvements on Sagebrush and Pinyon-Juniper Sites

Evans¹,

Workman²

1994

Journal of Range Management

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Economic Evaluation of Reindeer Range in Alaska

Greenberg

Thomas

Workman

1990

Canadian J Agri Economics

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Currently most managers in the Alaska reindeer industry utilize an extensive management plan in operating their enterprises. This plan does not incorporate the use of a planned rotational grazing system. To investigate the possibility of enhancing economic returns, a simulated reindeer operation is modeled using a linear programming framework. Included within the model are three management plans, including the present plan and two more intensive management approaches. The two alternatives incorporate the use of rotational grazing. Model results suggest that both the economic performance of a reindeer enterprise and the economic productivity of reindeer range would be substantially improved by employing a more intensive management plan that utilizes a five‐year rotational grazing system. Shadow prices from the model's forage constraint are used to calculate annual rental values for different range types. The policy implications of these values are examined through a discussion of the possible implementation of grazing fees and the opportunity cost of allocating the rangeland for caribou use. De nos jours la plupart des régisseurs dans l'industrie des rennes en Alaska utilise un projet de régie extensif. Ce projet ne contient pas l'usage d'un projet de pâturage en rotation. Pour analyser la possibilité d'augmentation des profits, on utilise un modèle d'une operation des rennes, simulé avec un réseau de programmes linéaires. Compris dans le modèle sont trois projets de régie, le projet actuel et deux autres méthodes de régie intensives. Les deux alternatives contiennent l'usage d'un projet de pâturage en rotation. Les résultats des modèles proposent que le rendement économique d'un entreprise de rennes et la productivité du territoire des rennes seraient améliorés fondamentalement avec l'emploi d'un projet de régie plus intensif. Ce projet utilise un système de pâturage en rotation pendant cinq ans. On utilise des prix “shadow” (additionelles) du fourrage dans ce modèle pour calculer les loyers annuels pour les types différents de territoire. On examine aussi les consequences théoriques des méthodes en face des ces valeurs dans une discussion de la mise en vigueur possible des droits de pâturage et le côut de consacrer les territoires à l'usage des caribou.

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An Economic Analysis of Retention of Yearlings on Range and Potential Effects on Beef Production

Cited by 2 publications

References 4 publications

Optimization of Range Improvements on Sagebrush and Pinyon-Juniper Sites

Optimization of Range Improvements on Sagebrush and Pinyon-Juniper Sites

Economic Evaluation of Reindeer Range in Alaska

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