2013
Ge, L., A.R. Kristensen, M.C.M. Mourits & R.B. Huirne. 2012.
A new decision support
framework for managing foot-and-mouth disease epidemics. Annals of
Operations Research. In press.
Jørgensen, E., A.R. Kristensen & D. Nilsson. 2012.
Markov LIMID processes for
representing and solving renewal problems. Annals of Operations Research.
In press.
Bono, C., C. Cornou & A.R. Kristensen. 2013.
Dynamic production monitoring in pig herds II: Modeling and monitoring farrowing
rate at herd level. Livestock Science. In press.
Escalante, H. J., S.V. Rodriguez, J. Cordero, A.R.
Kristensen & C. Cornou. 2013.
Sow-activity
classification from acceleration patterns: A machine learning approach.
Computers and Electronics in Agriculture 93, 17–26.
2012
Bono, C., C. Cornou & A.R. Kristensen. 2012.
Dynamic production
monitoring in pig herds I. Modeling and monitoring litter size at herd and sow
level. Livestock Science. In press.
Kristensen, A.R. 2012. Produktionsdyrenes liv og død. In: Gjerris, M., R.
Klingenberg, G. Meyer & G. Tveit (eds.):
Kød – En
antologi. Tiderne Skifter, København. ISBN 978-87-7973-497-5.
Kristensen, A. R., L. Nielsen & M.S. Nielsen. 2012.
Optimal slaughter pig
marketing with emphasis on information from on-line live weight assessment.
Livestock Science 145, 95-108.
Jensen, T.B., N. Toft, M.K. Bonde, A.G. Kongsted, A.R. Kristensen & J.T.
Sørensen. 2012. Herd
and sow-related risk factors for mortality in sows in group-housed system.
Preventive Veterinary Medicine 103, 31-37.
Brandt, P., V.Aa. Moustsen, M.B.F. Nielsen & A.R. Kristensen. 2012.
Floor heating at
farrowing in pens for loose-housed sows. Livestock Science 143, 1-4.
2011
Demeter, R.M., A.R. Kristensen, J. Dijkstra, A.G.J.M. Oude Lansink, M.P.M.
Meuwissen & J.A.M. van Arendonk. 2011.
A multi-level hierarchic
Markov process with Bayesian updating for herd optimization and simulation in
dairy cattle. Journal of Dairy Science 94, 5938-5962.
Danholt, L., V.Aa. Moustsen, M.B.F. Nielsen & A.R. Kristensen. 2011.
Rolling behaviour of
sows in relation to piglet crushing on sloped versus level floor pens.
Livestock Science 149, 59-68.
Marchioro, G.F., C. Cornou, A.R. Kristensen & J. Madsen. 2011.
Sows' Activity
Classification Device using Acceleration Data - a Resource Constrained Approach.
Computers and electronics in Agriculture 77, 110-117.
Pedersen, M.L., V.Aa. Moustsen, M.B.F. Nielsen & A.R. Kristensen. 2011.
Improved udder access
prolongs duration of milk letdown and increases piglet weight gain.
Livestock Science. In press.
Cornou, C., S. Lundbye-Christensen & A.R. Kristensen. 2011.
Modeling and monitoring
sows' activity types in farrowing house using acceleration data.
Computers and Electronics in Agriculture 76, 316-324.
Rodríguez, S.V., T.B. Jensen, L.M. Plà & A.R. Kristensen. 2011.
Optimal replacement
policies and economic value of clinical observations in sow herds.
Livestock Science 138, 207-219.
2010
Ge, L., M.C.M. Mourits, A.R. Kristensen & R.B.M. Huirne. 2010.
A modelling approach
to support dynamic decision-making in the control of FMD epidemics.
Preventive Veterinary Medicine 95, 167-174.
Ostersen, T., C. Cornou & A.R. Kristensen. 2010.
Detecting
oestrus by monitoring sows’ visits to a boar. Computers and Electronics
in Agriculture 74, 51-58.
Ettema, J., S. Østergaard & A.R. Kristensen. 2010.
Modelling the
economic impact of three lameness causing diseases using herd and cow level
evidence. Preventive Veterinary Medicine 95, 64-73.
Nielsen, L.R., E. Jørgensen, A. R. Kristensen & S. Østergaard. 2010.
Optimal replacement policies for dairy cows based on daily yield measurements.
Journal of Dairy Science 93, 75-92.
2009
Ettema, J.F., S. Østergaard & A.R. Kristensen. 2009.
Estimation of
probability for the presence of claw and digital skin diseases by combining cow-
and herd-level information using a Bayesian network. Preventive
Veterinary Medicine 92, 89-98.
Jensen, T. B., A.R. Kristensen, N. Toft, N.P. Baadsgaard, S. Østergaard & H.
Houe. 2009. An
object-oriented Bayesian network modeling the causes of leg
disorders in finisher herds. Preventive Veterinary Medicine 89,
237-248.
2008
Cornou, C., J. Vinther & A.R. Kristensen. 2008.
Automatic detection of
oestrus and health disorders using data from Electronic Sow Feeders.
Livestock Sciencre 118, 262-271.
2007
Jensen, T.B., A.R. Kristensen & N. Toft. 2007.
Modeling the causes of leg disorders in finisher herds. XIII
International congress in animal hygiene : ISAH - 2007, Estonia. p417-422.
Nielsen, B.K. & A.R. Kristensen. 2007.
Optimal decisions in organic beef production from steers – effects of criterion
of optimality and price changes.
Livestock Science 110, 25-32.
Ge, L., R.B.M. Huirne, M.C.M. Mourits, Ó. Gutiérrez & A.R. Kristensen.
2007. Discovering real options in the optimal
control of foot-and-mouth disease. International workshop held at Research
Centre Foulum 9-10 November 2006.
DJF Animal
Science 77, 51-55.
Nielsen, B., S.M. Thamsborg & A.R. Kristensen. 2007. Skru ned for
studenes tilvækst om vinteren. Økologisk Jordbrug 378, 11.
Nielsen, B., S.M. Thamsborg & A.R. Kristensen. 2007. Slutfedning betaler sig
ikke. Økologisk Jordbrug 378, 11.
2006
Kristensen, A.R., E. Jørgensen & N. Toft. 2006.
Herd Management Science.
Preliminary Edition compiled for the Advanced Herd Management course, KVL,
August 28th - November 3rd, 2006, The Royal Veterinary and Agricultural
University. 340 pp.
Nielsen, L.R. & A.R. Kristensen. 2006.
Finding the K best
policies in a finite-horizon Markov decision process. European Journal of
Operational Research 175, 1164-1179.
Kristensen, A.R. 2006. Muligheder med IT. Kongres for
svineproducenter 2006, 99-100. Dansk Svineproduktion.
Houe H, N.P. Baadsgaard, H.D. Emborg, C. Enevoldsen, A.K. Ersbøll, B.
Forkman, M. Greiner, T.B. Jensen, A.R. Kristensen, T. Mark, L.R. Nielsen, S.S.
Nielsen, P.
Sandøe, H. Stege, P.T. Thomsen, N. Toft N & G. Tveit. 2006. Guidelines
for database protocols on disease and welfare recording.
Proceedings of the 11th Symposium of the International Society for Veterinary
Epidemiology and Economics, Cairns, Australia: ISVEE 11, 891, 2006
Hansen, M.S. & A.R. Kristensen. 2006.
LIMIDs for decision support in pig
production. EURO XXI. 21st European Conference on
Operational Research, Reykjavik,
Iceland, July 2-5.
Abstract: Journal of Agricultural Science 144, 468.
Ge, L., A. Kristensen, M. Mourits & R. Huirne. 2006. The ‘curse of
animal disease’ and the ‘curse of dimensionality’ : A new decision support
framework for the control of foot-and-mouth disease epidemics. EURO XXI.
21st European Conference on Operational Research,
Reykjavik, Iceland, July 2-5.
Abstract: Journal of Agricultural Science 144, 468.
2005
Heiskanen, T., A.R. Kristensen, C. Cornou & P. Bonnet, 2005.
Trådløs overvågning - fremtidens værktøj i løsdriftsstalden. Hyologisk,
June 2005, 31-33.
Madsen, T.N. & A.R. Kristensen. 2005.
A model for monitoring
the condition of young pigs by their drinking behavior. Computers and
Electronics in Agriculture 48, 138-154.
Madsen, T.N., S. Andersen & A.R. Kristensen. 2005.
Modelling the drinking
pattern of young pigs using a state space model. Computers and
Electronics in Agriculture 48, 39-62.
Toft, N., A.R. Kristensen & E. Jørgensen. 2005.
A framework for decision
support related to infectious diseases in slaughter pig fattening units.
Agricultural Systems 85, 120-137.
Nielsen, L.R. & A.R. Kristensen. 2005. Risk
management in forestry - Possible solution approaches. Dina Notat No.
111.
2004
Nielsen, L.R & A.R. Kristensen. 2004. Finding
the K best policies in finite-horizon Markov decision processes.
Dina Research Report 110.
Nielsen, L.R. & A.R. Kristensen. 2004.
Risk aversion in Markov decision processes. EDWA-04 European Workshop for
Decision Problems in Agriculture and Natural Resources, 71-82. Silsoe,
England 27th - 28th September, 2004.
Nielsen, B.K., A.R. Kristensen & S.M. Thamsborg. 2004.
Optimal
decisions in organic steer production – a model including winter feed level,
grazing strategy and slaughtering policy. Livestock Production Science
88, 239-250.
McAinsh, C.V. & A.R. Kristensen. 2004.
Dynamic modelling
of a traditional African chicken production system. Tropical Animal
Health and Production 36, 609-626.
Kristensen, A.R. & T.A. Søllested. 2004.
A sow replacement
model using Bayesian updating in a 3-level hierarchic Markov process. I.
Biological model.
Livestock Production Science 87, 13-24.
Kristensen, A.R. & T.A. Søllested. 2004.
A sow replacement
model using Bayesian updating in a three-level hierarchic Markov process II.
Optimization model. Livestock Production Science 87, 25-36.
2003
Lien, G., A.R. Kristensen, A. Hegrenes & J.B. Hardaker. 2003.
Optimal length of
leys in an area with winter damage problems. Grass and Forage Science 58,
168-177.
Kristensen, A.R. & C.V. Pedersen. 2003.
Representation of uncertainty in a Monte
Carlo simulation model of a scanvenging chicken production system.
EFITA 2003. Fourth European Conference of the European Federation for
Information Technology in Agriculture, Food and the Environment,
Debrecen, Hungary, July 5-9.
Kristensen, A.R. 2003. Optimal slaughter
pig marketing with emphasis on information from on-line live weight assessment.
EFITA 2003. Fourth European Conference of the European Federation for
Information Technology in Agriculture, Food and the Environment,
Debrecen, Hungary, July 5-9.
Hegrenes, A., A.R. Kristensen & G. Lien. 2003.
Optimal economic length of leys: a dynamic programming approach. 25th
International Conference of Agricultural Economists, Durban, South Africa,
August 16-22.
Kristensen, A.R. 2003.
A general software
system for Markov decision processes in herd management applications.
Computers and Electronics in Agriculture 38, 199-215.
Toft, N., A.R. Kristensen & E. Jørgensen. 2003.
Exploring the
Cost-Benefit of Vaccines for Infectious Diseases in Slaughter Pig Production.
Acta Veterinaria Scandinavica 44 (Suppl. 1), 55.
2002:
Pedersen, C.V., A.R. Kristensen & J. Madsen.
On-farm research leading to a dynamic model of a traditional
chicken production system. Tanzania
Society of Animal Production and Tanzania Veterinary Association. Joint Annual
Conference, 3-5 December 2002, Arusha, Tanzania.
Nilsson, D. & A.R. Kristensen. 2002. Markov
LIMID Processes for representing and solving renewal problems. First
European Workshop on Sequential Decisions under Uncertainty in Agriculture and
Natural Resources. Toulouse, France, September 19-20.
Søllested, T.A. & A.R. Kristensen. 2002.
A sow replacement model using Bayesian updating in a 3-level hierarchic Markov
process. First European Workshop on Sequential Decisions under
Uncertainty in Agriculture and Natural Resources. Toulouse, France,
September 19-20.
Kristensen, A.R. & G. Lien. 2002. Optimal
length of leys in an area with winter damage problems. First European
Workshop on Sequential Decisions under Uncertainty in Agriculture and Natural
Resources. Toulouse, France, September 19-20.
Nielsen, B.K. & A.R. Kristensen. 2002. A model
for simultaneous optimization of feeding level and slaughtering policy of
organic steers. First European Workshop on Sequential Decisions under
Uncertainty in Agriculture and Natural Resources. Toulouse, France,
September 19-20.
2001:
Kristensen, A.R. & T.A. Søllested. 2001. A sow
replacement model using Bayesian updating in a 3-level hierarchic Markov process.
Dina Research Report No. 96.
Kristensen, A.R. (Ed.) 2001.
Dina Research School: Workshop December 6-7, 2001. Dina Notat No. 95.
Toft, N., A.R. Kristensen & E. Jørgensen. 2001. Exploring the cost-benefit of
vaccines for infectious diseases in slaughter pig production. 11th
International Conference on Production Diseases in Farm Animals.
Houe, H., J.T. Sørensen, L. Otto, A.R. Kristensen, P. Bækbo, J.Y. Blom & S.
Østergaard (eds.). 2001. Animal Health Economics. Proceedings of workshop held
by Research Centre for the Management of Animal Production and Health at Danish
Institute of Agricultural Sciences, Foulum, Denmark - August 17th - 18th, 2001.
CEPROS report no. 7.
Søllested, T.A., A.R. Kristensen & T.N. Madsen. 2001. Electronic
monitoring of eating behaviour as an indicator for oestrus in group housed sows.
EFITA 2001. Third European Conference of the European Federation for
Information Technology in Agriculture, Food and the Environment,
Montpellier, France, June 18-20. pp 337-342.
Toft, N., A.R. Kristensen & E. Jørgensen. 2001.
Tradeoff's in modeling epidemic disease in slaughter pig production.
EFITA 2001. Third European Conference of the European Federation for Information
Technology in Agriculture, Food and the Environment, Montpellier, France,
June 18-20. pp 391-396.
Kristensen, A.R. 2001. Computer
demonstration: A general software system for dynamic programming. EFITA
2001. Third European Conference of the European Federation for Information
Technology in Agriculture, Food and the Environment, Montpellier, France,
June 18-20. pp 379-384.
Kristensen, A.R. 2001. Hvilke
faktorer påvirker produktion og dyreomsætning? Dansk Boologisk
selskabs seminar 19. og 20. april 2001. Hotel Pejsegården, Brædstrup, pp
20-25
2000:
Toft, N., A.R. Kristensen & E. Jørgensen. 2000. A framework for decision
support related to an infectious disease in slaughter pig production.
Proceedings of the Symposium on Economic Modelling of Animal Health and Farm
Management.
Wageningen, The Netherlands, November 23-24, pp 109-118.
Kristensen, A.R. & E. Jørgensen. 2000.
Multi-level hierarchic
Markov processes as a framework for herd management support. Annals of
Operations Research 94, 69-89.
Østergaard, S., J.T. Sørensen & A.R. Kristensen. 2000.
A stochastic model
simulating the feeding-health-production complex in a dairy herd. Journal
of Dairy Science 83, 721-733.
Kristensen, A.R. 2000.
A software system for multi-level hierarchic Markov processes.
International Symposium on Pig Herd Management Modelisation. Lleida, Spain,
September 18-20, pp 37-46.
Søllested, T.A. & A.R. Kristensen. 2000.
A multi-process dynamic linear model for oestrus detection in group housed sows
by modeling eating behaviour. International Symposium on Pig Herd
Management Modelisation. Lleida, Spain, September 18-20, pp 117-126.
Kristensen, A.R. (Ed.). 2000.
Dinas Forskerskole: Workshop den 6-7 april 2000. Dina Notat No. 87.
Thysen, I. & A.R. Kristensen (eds.). 2000. Computers and
Electronics in Agriculture, Special Issue, The First European Conference for
information Technology in Agriculture. Vol. 25, No. 3.
1999:
Mourits, M.C.M., R.B.M. Huirne, A.A. Dijkhuizen, A.R. Kristensen & D.T.
Galligan. 1999.
Economic optimization of dairy heifer management decisions.
Agricultural Systems 61, 17-31.
Makulska, J. & A.R. Kristensen. 1999.
Economic optimization of bull fattening. Proceedings of the Second
European Conference of the European Federation for Information Technology in
Agriculture, Food and the Environment. September 27-30, University of Bonn.
Kristensen, A.R. (Ed.). 1999.
Dinas Forskerskole: Workshop den 22-23 april 1999. Dina Notat No. 82.
Mogensen, L., J.T. Sørensen, J. Hindhede, L.H. Nielsen & A.R.
Kristensen. 1999. Effect of
space allowance and access to bedding in slatted-floor housing systems during
second-year rearing on subsequent milk production of primiparious dairy cows.
Acta Agriculturæ Scandinavica, Section A, Animal Science 49, 49-56.
Kristensen, A.R & E. Jørgensen. 1999.
Decision Support Models. Proceedings 25th International Dairy Congress,
21-24 September 1998, Aarhus, Denmark. Vol. III, Future Milk Farming,
145-163.
1998:
Kristensen, A.R. (Ed.). 1998.
Dinas Forskerskole: Workshop den 3-4. december 1998. Dina Notat No. 79.
Jørgensen, E. & A.R. Kristensen. (1998). Edb letter beslutningen.
Landsbladet Svin, 11, November 1988, p. 18.
Kristensen, A.R. (Ed.). 1998.
Dinas Forskerskole: Workshop den 23-24. april 1998. Dina Notat No. 67.
Kristensen, A.R. 1998.
Hvilke overvejelser ligger bag valg af udsætterkøer? Hvilken indflydelse har
forskellige forhold på udsætningen af køer? Dansk Boologisk selskabs
seminar 17. og 18. september 1998. Hotel Pejsegården, Brædstrup.
1997:
Kristensen, A.R. (Ed.). 1997. Dinas Forskerskole: Workshop den 4.-5. december
1997.
Dina Notat No. 62.
Toft, N. & A.R. Kristensen. 1997. The parameter input file for the
multi-level hierarchic Markov process.
Dina Notat No. 60.
Kristensen, A.R. & E. Jørgensen. 1997. Simultaneous optimization of
management decisions at the operational and tactical levels in animal production.
In: Huirne et al. (eds.): Risk Management Strategies in Agriculture. State of
the art and future perspectives. Mansholt Studies 7, Chapter 17, pp
215-223.
Kure, H., I. Thysen & A.R. Kristensen (eds.). 1997.
Proceedings. First European Conference for Information Technology in Agriculture.
The Royal Veterinary and Agricultural University, Copenhagen, Denmark, 15-18
June 1997. 500 pp.
Kristensen, A.R. (Ed.) 1997. Proceedings of the Dutch/Danish
Symposium on Animal Health and Management Economics, Copenhagen, January 23-24
1997.
Dina Notat No.
56.
1996:
Møller, S.H., J.T. Sørensen & A.R. Kristensen. 1996. The concepts of
systematic operation programmes for improvement of health and welfare management
in mink. 4th International Livestock Farming Systems Symposium, Foulum,
Denmark, August 22-23.
Kristensen, A.R. 1996. Textbook notes of herd management: Dynamic
programming and Markov decision processes.
Dina Notat No. 49.
Kristensen, A.R. & E. Jørgensen. 1996. Textbook notes of herd
management: Basic concepts.
Dina Notat No. 48.
Jørgensen, E., C. Dethlefsen & A.R. Kristensen. 1996. Systems for
monitoring and decision support with respect to sow longevity. In: V. Danielsen
(ed.):
NJF-Utredning/Rapport Nr. 111. Proceeding of NJF-seminar no. 265, Longevity
of sows, Research Centre Foulum, Denmark, 27.-28. March 1996.
Østergaard, S., J.T. Sørensen, J. Hindhede & A.R. Kristensen. 1996.
Technical and economic effects of feeding one vs. multiple total mixed rations
estimated by stochastic simulation under different dairy herd and management
characteristics. Livestock Production Science 45, 23-33.
Kristensen, A.R. & E. Jørgensen. 1996. Multi-level hierarchic Markov
processes as a framework for herd management support.
Dina Research Report No. 41. 25 pp.
Kristensen, A.R. & E. Jørgensen. 1996.
Simultaneous optimization of management decisions at the operational and
tactical level in animal production. In:
Risk Management Strategies in Agriculture: State of the art and Future
Perspectives. EUNITA-Seminar, January 7-10, 1996, Wageningen, The
Netherlands.
1995:
Jørgensen, E., E.M. Vestergaard & A.R. Kristensen. 1995. Modelling of
respiratory diseases in slaughter pigs, working paper: Generic disease model.
Dina Notat No. 40. 18 pp.
Kristensen, A. R. 1995. Book Review: E.H.P. Houben: Economic
optimization of decisions with respect to dairy cow health management.
Tijdschrift voor sociaal wetenschappelijk onderzoek van de landbouw 10,
212-213.
Kristensen, A.R. & E. Jørgensen. 1995. Applicational perspectives of
recent developments in dynamic programming methods for herd management support.Dina
Notat No. 33. 14 pp.
Jørgensen, E. & A. R. Kristensen. 1995. An object oriented
simulation model of a pig herd with emphasis on information flow.
Dina Research Report No. 32.11 pp.
Jørgensen, E. & A.R. Kristensen. 1995. An object oriented simulation
model of a pig herd with emphasis on information flow. In: FACTs 95 March 7,
8, 9, 1995, Orlando, Florida, Farm Animal Computer Technologies Conference,
pp. 206-215.
Kristensen, A.R. & E. Jørgensen. 1995. The application of Markov
decision processes as a framework for decision support in animal production. In:
FACTs 95 March 7, 8, 9, 1995, Orlando, Florida, Farm Animal Computer
Technologies Conference, pp. 136-145.
Clausen, S.M., J.T. Sørensen & A.R. Kristensen. 1995.
Technical and economic
effects of culling and reproduction strategies in dairy cattle herds estimated
by stochastic simulation. Acta Agriculturæ Scandinavica Section A, Animal
Science 45, 64-73.
1994:
Kristensen. A.R. 1994. Dynamic programming as a framework for decision
support in animal production. Dina Workshop on Informatics in Agriculture, 8-9
December 1994: Supplementary note.
Dina Notat No. 27. 23 pp.
Houben, E. P. H., R. B. M. Huirne, A. A. Dijkhuizen & A. R.
Kristensen. 1994.
Optimal replacement of mastitis cows determined by a hierarchic Markov process.
Journal of Dairy Science 77, 2975-2993.
Kristensen, A. R. 1994.
A survey of Markov decision
programming techniques applied to the animal replacement problem.
European Review of Agricultural Economics 21, 73-93.
1993:
Kristensen, A. R. 1993. En vurdering af nøgletallene for produktion på
grundlag af principielle overvejelser. Boologisk Selskabs seminar 16./17.
september 1993, Pejsegården, Brædstrup. 5 pp.
Kristensen, A. R. 1993. Markov decision
programming techniques applied to the animal replacement problem.
Dissertation for the D.Sc. degree. Dina KVL, Department of Animal Science and
Animal Health. Copenhagen.
Clausen, S., J. T. Sørensen & A. R. Kristensen. 1993. Effect of
culling and reproduction strategies in dairy cattle herds, estimated by SIMHERD.
In: Hogeveen, H.: Proceedings of the Symposium on Herd Health Decision
Support. Utrecht, June 15-16. (Report No. SKBS/B2/93-13). pp 173-184.
Kristensen, A. R. 1993. A feed ration formulation program for PC to
be used in education at university level. In: Annevelink, E., R. K. Oving & H.
W. Vos (ed): Proceedings XXV CIOSTA-CIGR V Congress, Farm planning, Labour
and labour conditions, Computers in agricultural management. Wageningen, The
Netherlands, May 10-13. pp 332-338.
Kristensen, A. R. 1993.
Bayesian updating in
hierarchic Markov processes applied to the animal replacement problem.
European Review of Agricultural Economics 20, 223-239.
Kristensen, A. R. 1993. Undervisningen i produktionsstyring. Status
og forslag til handlingsplan. Internal note. 11 pp.
1992:
Kristensen, A. R. 1992.
Optimal replacement in the dairy herd: A multi component system.
Agricultural Systems 39, 1-24.
1991:
Kristensen, A. R. 1991.
Maximization of net revenue per unit of physical output in Markov decision
processes. European Review of Agricultural Economics 18, 231-244.
Kristensen, A. R. & I. Thysen. 1991.
Ranking of dairy cows for
replacement. Alternative methods tested by stochastic simulation. Acta
Agriculturæ Scandinavica 41, 295-303.
Kristensen, A. R. & I. Thysen. 1991.
Economic value of culling
information in the presence and absence of a milk quota. Acta Agriculturæ
Scandinavica 41, 129-135.
1990:
Kristensen, A. R. 1990. Et PC-program til undervisningsbrug. Ugeskrift for
Jordbrug, no 27/28:430-433.
Kristensen, A. R. 1990. Value of culling information with and
without milk quota. I: J. T. Sørensen & I. Thysen (red.): Modelling of
livestock herd production systems. An international workshop. Foulum,
Denmark 22-23 march 1990. 11 pp.
1989:
Kristensen, A. R. 1989. Rangering af malkekøer med henblik på udskiftning.
Forskellige beregningsmetoder testet ved stokastisk simulering. II. Internal
Report. Department of Animal Science. Royal Veterinary and Agriculturel
University. No. 2. 25 pp.
Kristensen, A. R. 1989. Rangering af malkekøer med henblik på
udskiftning. Forskellige beregningsmetoder testet ved stokastisk simulering. I.
Internal Report. Department of Animal Science. Royal Veterinary and
Agricultural University. No. 1. 43 pp.
Kristensen, A. R. 1989. Manual til Replace. PC-version 1.1. OS/2
1.0. Beregning og analyse af udskiftnings-strategier samt simulering.
Brugermanual til udskrivning direkte fra REPLACE-programmellet under
operativsystemet OS/2 (også on-line tilgængelig på skærmen). Internal note.
42 pp.
Kristensen, A. R. 1989. Manual til Replace. PC-version 1.1. DOS
3.30. Beregning og analyse af udskiftnings-strategier samt simulering.
Brugermanual til udskrivning direkte fra REPLACE-programmellet under
operativsystemet DOS (også on-line tilgængelig på skærmen). Internal note.
42 pp.
Kristensen, A. R. 1989.
Optimal replacement and
ranking of dairy cows under milk quotas. Acta Agriculturæ Scandinavica 39,
311-318.
1988:
Kristensen, A. R. 1988. Dokumentation af programmel til beregning af optimale
udskiftningsstrategier samt tekniske og økonomiske nøgletal for
mælkeproduktionen på bedriftsniveau. (Brugermanual). Internal Report.
Department of Animal Science. Royal Veterinary and Agricultural University. No.
1. 35 pp.
Kristensen, A. R. 1988. Sammenligning af resultater fra en
detaljeret og en forenklet udskiftningsmodel for malkekoen. Intern report.
11 pp.
Kristensen, A. R. 1988. Optimization techniques in replacement
models. In: S. Korver & J. A. M. van Arendonk: Modelling of Livestock
Production Systems. Kluwer Academic Publishers. Dordrecht. pp 97-104.
Kristensen, A. R. 1988.
Hierarchic Markov
processes and their applications in replacement models. European Journal
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