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Articles 61 - 89 of 89

Full-Text Articles in Life Sciences

Use Of A Simulation Model To Evaluate The Influence Of Reproductive Performance And Management Decisions On Net Income In Beef Production, L. A. Werth, S. M. Azzam, Merlyn K. Nielsen, J. E. Kinder Jan 1991

Use Of A Simulation Model To Evaluate The Influence Of Reproductive Performance And Management Decisions On Net Income In Beef Production, L. A. Werth, S. M. Azzam, Merlyn K. Nielsen, J. E. Kinder

Faculty Papers and Publications in Animal Science

A stochastic dynamic model of reproduction and a deterministic cow-herd economic simulation model were used to evaluate how management decisions and reproductive performance interact to influence net income in a cow-calf operation (1,000 cows) for 1 yr of production. The stochastic model was used to determine herd performance when length of breeding season (45, 70, or 120 d) interacted with three postpartum intervals of an estrus (48, 65, or 90 d) and three conception rates at first service (60, 70, or 80%). Short, moderate, and long postpartum intervals were used to reflect differences in reproductive performance. In addition, replacement ...


1990 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University Jan 1990

1990 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University

South Dakota Beef Report, 1990

This is the complete 1990 South Dakota Beef Report


1989 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University Jan 1989

1989 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University

South Dakota Beef Report, 1989

This is the complete 1988 South Dakota Beef Report.


Agenda: Natural Resource Development In Indian Country, University Of Colorado Boulder. Natural Resources Law Center Jun 1988

Agenda: Natural Resource Development In Indian Country, University Of Colorado Boulder. Natural Resources Law Center

Natural Resource Development in Indian Country (Summer Conference, June 8-10)

Conference organizers and/or faculty included University of Colorado School of Law professors David H. Getches, Charles F. Wilkinson, Lawrence J. MacDonnell and Richard B. Collins.

Indian reservations constitute about 2.5% of all land in the country and 5% of all land in the American West. During the last two decades, Indian natural resources issues have moved to the forefront as tribal governments have dramatically expanded their regulatory programs, judicial systems. and resource development activities. This major symposium will address current developments and assess likely future directions in the areas of tribal, federal, and state regulation; tribal-state intergovernmental agreements ...


1988 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experimental Station, South Dakota State University, Cooperative Extension Service, South Dakota State University Jan 1988

1988 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experimental Station, South Dakota State University, Cooperative Extension Service, South Dakota State University

South Dakota Beef Report, 1988

This is the complete 1988 South Dakota Beef Report.


1987 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University Jan 1987

1987 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University

South Dakota Beef Report, 1987

This is the complete 1987 South Dakota Beef Report.


1986 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extention Service, South Dakota State University Jan 1986

1986 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extention Service, South Dakota State University

South Dakota Beef Report, 1986

We are pleased to present this, our first annual SDSU BEEF REPORT. It is a compilation of research reports and applied information relating especially to the beef cattle industry. The papers included in this report have been prepared by SDSU research and extension scientists, not only in the Department of Animal and Range Sciences, but also in Chemistry, Economics, Dairy Science, Plant Science and Veterinary Science. Since some of the projects from which results are reported are still in progress, the preliminary nature of the results should be recognized. For the reader's convenience, the articles included are grouped by ...


Marine Financing, Jon A. Lucy Oct 1976

Marine Financing, Jon A. Lucy

Reports

No abstract provided.


Response Analysis Of Beef Feedlot Gain With Respect To Genetic And Environmental Inputs, Bryan Edwin Melton Jan 1976

Response Analysis Of Beef Feedlot Gain With Respect To Genetic And Environmental Inputs, Bryan Edwin Melton

Retrospective Theses and Dissertations

No abstract provided.


An Economic Appraisal Of Eastern Shore Seafood Harvesting, Ivar Strand Jan 1976

An Economic Appraisal Of Eastern Shore Seafood Harvesting, Ivar Strand

Reports

No abstract provided.


Economies Of Size In Swine Production: A Normative Approach, Terry E. Crall Jan 1972

Economies Of Size In Swine Production: A Normative Approach, Terry E. Crall

Retrospective Theses and Dissertations

No abstract provided.


The Effect Of The Hog-Corn Ratio On Swine Production In Iowa, Nathan Frank Burnham Jan 1972

The Effect Of The Hog-Corn Ratio On Swine Production In Iowa, Nathan Frank Burnham

Retrospective Theses and Dissertations

No abstract provided.


Optimum Swine Production And Marketing Strategies With Limited Farrowing And Finishing Space, Michael S. Hanrahan Jan 1972

Optimum Swine Production And Marketing Strategies With Limited Farrowing And Finishing Space, Michael S. Hanrahan

Retrospective Theses and Dissertations

No abstract provided.


An Analysis Of The Feeder Cattle Enterprise On Iowa Farms With The Use Of Linear Programming Techniques, James Roger Ahrenholz Jan 1969

An Analysis Of The Feeder Cattle Enterprise On Iowa Farms With The Use Of Linear Programming Techniques, James Roger Ahrenholz

Retrospective Theses and Dissertations

No abstract provided.


Quarterly Marketing Margin Equations For Pork, Beef And Lamb, Georg Karg Jan 1969

Quarterly Marketing Margin Equations For Pork, Beef And Lamb, Georg Karg

Retrospective Theses and Dissertations

No abstract provided.


Economics Of Livestock-Meat Industry In Japan, Chung-Chi Lu Jan 1968

Economics Of Livestock-Meat Industry In Japan, Chung-Chi Lu

Retrospective Theses and Dissertations

No abstract provided.


The Optimum Number, Size, And Location Of Turkey Processing Plants In A Three State Area, Murill Patrick Halvorson Jan 1968

The Optimum Number, Size, And Location Of Turkey Processing Plants In A Three State Area, Murill Patrick Halvorson

Retrospective Theses and Dissertations

No abstract provided.


The Use And Costs Of Capital In Selected Beef Feedlots In Four Counties Of Northwest Iowa, Wayne William Gross Jan 1967

The Use And Costs Of Capital In Selected Beef Feedlots In Four Counties Of Northwest Iowa, Wayne William Gross

Retrospective Theses and Dissertations

No abstract provided.


Estimates Of Locational Shifts Of The Retail Feed Industry In Two Functional Economic Areas In Iowa, Stephen Keith Decook Jan 1967

Estimates Of Locational Shifts Of The Retail Feed Industry In Two Functional Economic Areas In Iowa, Stephen Keith Decook

Retrospective Theses and Dissertations

No abstract provided.


Economic Incentives For Pheasant Production In Iowa, Harlan David Cook Jan 1967

Economic Incentives For Pheasant Production In Iowa, Harlan David Cook

Retrospective Theses and Dissertations

No abstract provided.


A Guide To Pig Feeding, P Mcnamara Jan 1967

A Guide To Pig Feeding, P Mcnamara

Journal of the Department of Agriculture, Western Australia, Series 4

FOOD is by far the greatest cost in pig production, accounting for between 60 per cent, and 75 per cent, of the total cost, and for this reason it is important that the basic principles of feeding be understood.


Solicitation Costs And Returns Of Selected Sioux City Livestock Commission Firms, David Harold Hammond Jan 1964

Solicitation Costs And Returns Of Selected Sioux City Livestock Commission Firms, David Harold Hammond

Retrospective Theses and Dissertations

No abstract provided.


Effect Of Diversification On Price And Income Stability In Livestock Production, Yaoji Lu Jan 1962

Effect Of Diversification On Price And Income Stability In Livestock Production, Yaoji Lu

Retrospective Theses and Dissertations

No abstract provided.


Direct Payments On 190-210 Pound Hogs: Estimated Effects And Costs To Government, James W. Gruebele Jan 1961

Direct Payments On 190-210 Pound Hogs: Estimated Effects And Costs To Government, James W. Gruebele

Retrospective Theses and Dissertations

No abstract provided.


Geographic And Interfarm Variation In The Hog Production Cycle, James B. Herendeen Jan 1960

Geographic And Interfarm Variation In The Hog Production Cycle, James B. Herendeen

Retrospective Theses and Dissertations

No abstract provided.


Effects Of Pork Production Technique On Optimum Farm Resource Use, George D. Irwin Jan 1959

Effects Of Pork Production Technique On Optimum Farm Resource Use, George D. Irwin

Retrospective Theses and Dissertations

No abstract provided.


Estimating Weekly And Daily Hog Marketings At Interior Iowa And Southern Minnesota Markets, Gene A. Futrell Jan 1957

Estimating Weekly And Daily Hog Marketings At Interior Iowa And Southern Minnesota Markets, Gene A. Futrell

Retrospective Theses and Dissertations

No abstract provided.


Costs Of Drying Buttermilk In Iowa Creameries, Lee Kolmer Jan 1952

Costs Of Drying Buttermilk In Iowa Creameries, Lee Kolmer

Retrospective Theses and Dissertations

No abstract provided.


Determinants Of The Extent And Type Of Cattle Feeding In Iowa, George G. Judge Jan 1949

Determinants Of The Extent And Type Of Cattle Feeding In Iowa, George G. Judge

Retrospective Theses and Dissertations

No abstract provided.