Research & Publications



About the Department
Research & Publications

For more information about this publication, please contact:

Russ Tronstad
Extension Economist

Phone: (520) 621-2425


Arizona Ranchers' Management Guide (Revised 2002)

This newly expanded guide is designed to be an information resource for Arizona ranchers. The guide contains extension-developed information on a wide range of issues related to Arizona ranch management, including information on production, policy, and economic issues.

You can access the guide online by following the links below. Please note that these pdf files require Acrobat Reader, which can be downloaded free from the Adobe website.

If you would like to purchase the entire Guide in hard copy, please go to and use the online ordering system.

Alternatively, you may contact the following:

4101 N. Campbell Avenue
Tucson, AZ 85719
Phone: 520-318-7275
Fax: 520-795-8508
Toll Free Phone: 1-877-763-5315






Table of Contents


  1. Table of Contents, Introduction, Arizona IRM, and Other Information Sources [75k pdf]

Section 1: Rangeland Management

Section 1 as a single pdf file [1.62mb pdf]

Section 1 Individual Files

  1. What is an A.U.M.? [21k pdf]
  2. Poisonous Plants on Rangelands [58k pdf]
  3. Grazing Cell Management [56k pdf]
  4. Range Management Terms/Definitions [87k pdf]
  5. Monitoring Rangeland Browse Vegetation [74k pdf]
  6. Intensively Managed Rotational Grazing Systems for Irrigated Pasture [112k pdf]
  7. Using Salt for Livestock [60k pdf]
  8. Strategies for Managing Grazing Allotments on Public Lands [135k pdf]
  9. Using Repeat Color Photography as a Tool to Monitor Rangelands NEW! [106k pdf]
  10. Rangeland Management Information on the Web NEW! [654k pdf]
  11. RUSLE Applications on Arizona Rangelands NEW! [50k pdf]
  12. A Summary of Livestock Grazing Systems Used on Rangelands in the Western United States and Canada NEW! [74k pdf]

Section 2: Genetics and Reproduction

Section 2 as a single pdf file [230k pdf]

Section 2 Individual Files

  1. Specialized Lines for Beef Breeding Herds [58k pdf]
  2. Bull Selection [36k pdf]
  3. Range Beef Herd Growth Selection [21k pdf]
  4. Estrus Synchronization and Artificial Insemination for Breeding Beef Cattle [21k pdf]
  5. Crossbreeding Systems for Arizona Rangelands NEW! [63k pdf]
  6. Understanding EPDs NEW! [51k pdf]

Section 3: Production and Management Decisions

Section 3 as a single pdf file [46k pdf]

Section 3 Individual Files

  1. Breeding Yearling Heifers [21k pdf]
  2. Supplementation or Early Weaning for Range Beef Cattle [21k pdf]
  3. Feedlot vs. Range Performance [19k pdf]

Section 4: Animal Care and Health Maintenance

Section 4 as a single pdf file [377k pdf]

Section 4 Individual Files

  1. Injuries and Diseases of Beef Cattle Associated with Calving [88k pdf]
  2. Diseases of Beef Cattle Associated with Post-Calving and Breeding [81k pdf]
  3. Blackleg and Malignant Edema Control [18k pdf]
  4. Neonatal Calf Diarrhea [84k pdf]
  5. Castrating Calves and Lambs [73k pdf]
  6. Abortion Disease of Range Cattle [87k pdf]
  7. Foothill Abortion: A Western States Problem [100k pdf]
  8. Hand Feeding Young Calves [20k pdf]
  9. Trichomoniasis [19k pdf]
  10. Pine Needle Abortion NEW! [40k pdf]

Section 5: Range Cattle Nutrition

Section 5 as a single pdf file [1.63mb pdf]

Section 5 Individual Files

  1. Nutritional Value of Range Forage for Livestock [18k pdf]
  2. Range Cow Nutrition Management Evaluator [158k pdf]
  3. Range Cow Nutrition in Late Pregnancy [67k pdf]
  4. Least Cost Supplementation [73k pdf]
  5. How Do Domestic Ungulates Select Nutritious Diets on Rangelands? NEW! [106k pdf]
  6. Matching Forage Resources with Cow Herd Supplementation NEW! [87k pdf]
  7. Protein Supplementation NEW! [252k pdf]
  8. Supplementation During Drought NEW! [410k pdf]
  9. Managing Nutritional Challenges to Reproduction NEW! [416k pdf]
  10. Heifer Development on Rangelands NEW! [114k pdf]

Section 6: Ranch Business Management

Section 6 as a single pdf file [1.74mb pdf]

Section 6 Individual Files

  1. Range Cow Culling: Herd Performance [45k pdf]
  2. Market Impacts on Culling Decisions [118k pdf]
  3. Optimal Economic Range Cow Culling Decisions: Biological and Market Factors Combined [83k pdf]
  4. The Influence of Lot Size on Feeder Cattle Prices at Arizona Auctions [87k pdf]
  5. The Economics of Shrinkage [28k pdf]
  6. Potential Profits from Wildlife [17k pdf]
  7. Least Cost Feed Rations on Your Personal Computer [21k pdf]
  8. Comparison of Livestock Marketing Alternatives [300k pdf]
  9. Hedging Potential in California Cattle Markets [26k pdf]
  10. Livestock Hedging Using Futures or Options [26k pdf]
  11. Using Options to Control Livestock Feed Costs [15k pdf]
  12. Beef Cow Share Lease Arrangements [33k pdf]
  13. Value of Pregnancy Testing [386k pdf]
  14. Is a Bed and Breakfast Ranching? [285k pdf]
  15. Overview of Ranch Financial Analysis Spreadsheet NEW! [118k pdf]
  16. Actual and Projected Cash Flows NEW! [112k pdf]
  17. Modified Cash Projections NEW! [110k pdf]
  18. Evaluating Management Decisions NEW! [331k pdf]
  19. Drought Assistance Programs and Tax Implications of Drought-Induced Livestock Sales NEW! [51k pdf]
  20. Trade-Off Between Cow Numbers, Calf Size, and Sale Date Incorporating Seasonal Factors and Supplemental Feeding NEW! [102k pdf]

Section 7: Policy Issues

Section 7 as a single pdf file [202k pdf]

Section 7 Individual Files

  1. Dealing with Media [75k pdf]
  2. Sustainable Ranching [28k pdf]
  3. Coordinated Resource Management [47k pdf]
  4. Public Grazing in the West: The Impact of "Rangeland Reform '94" [63k pdf]

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2011 Dept. of Agricultural & Resource Economics, The University of Arizona
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Last updated August 31, 2005
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