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Surname: Reksen   First name: Olav   All publishing channels

Showing results 1-50 of 88 << Previous 1 2    Next >>

2021
1 Rachah, Amira; Reksen, Olav; Tafintseva, Valeria; Stehr, Felicia Judith Marie; Rukke, Elling-Olav; Prestløkken, Egil; Martin, Adam Dunstan; Kohler, Achim; Afseth, Nils Kristian.
Exploring Dry-Film FTIR Spectroscopy to Characterize Milk Composition and Subclinical Ketosis throughout a Cow’s Lactation. Foods 2021 ;Volume 10.(9) p. -
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2020
2 Bhatti, Muhammad Azher; Chanza, Winfred; Kamwanja, Leonard A.; Chikomola, Stewart; Chipandula, Mphatso; Chikaonda, Aleda; Jansen, Dan Christoffer; Klevar, Siv; Klem, Thea B.Blystad; Stokstad, Maria; Reksen, Olav.
Effect of Dry Season Supplement Feeding of Malawi Zebu Cows on Reproductive Performance, Lactation and Weight Gain in Calves. I: Climate Impacts on Agricultural and Natural Resource Sustainability in Africa. Springer Nature 2020 ISBN 978-3-030-37536-2. p. 239-248
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3 Bhatti, Muhammad Azher; Chanza, Winfred; Klevar, Siv; Kamwanja, Leonard A; Klem, Thea B.Blystad; Jansen, Dan Christoffer; Holm, Harald; Chipandula, Mphatso; Njunga, Gilson; Stokstad, Maria; Reksen, Olav.
A Cohort Study of Reproductive Performance, Associated Infections and Management Factors in Zebu Cows from Smallholder Farms in Malawi. I: Climate Impacts on Agricultural and Natural Resource Sustainability in Africa. Springer Nature 2020 ISBN 978-3-030-37536-2. p. 227-238
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4 Rachah, Amira; Reksen, Olav; Afseth, Nils Kristian; Tafintseva, Valeria; Ferneborg, Sabine; Martin, Adam Dunstan; Kohler, Achim; Prestløkken, Egil.
Fourier transform infrared spectral data as a tool to predict energy balance, energy- and dry matter intake in lactating dairy cows. Journal of Dairy Research 2020 ;Volume 87. p. 436-443
NMBU SINTEF NOFIMA Untitled
 
2019
5 Dalen, Gunnar; Rachah, Amira; Nørstebø, Håvard; Schukken, Ynte H; Reksen, Olav.
Dynamics of somatic cell count patterns as a proxy for transmission of mastitis pathogens. Journal of Dairy Science (JDS) 2019 ;Volume 102.(12) p. 11349-11358
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6 Dalen, Gunnar; Rachah, Amira; Nørstebø, Håvard; Schukken, Ynte H; Reksen, Olav.
The detection of intramammary infections using online somatic cell counts. Journal of Dairy Science (JDS) 2019 ;Volume 102.(6) p. 5419-5429
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7 Nørstebø, Håvard; Dalen, Gunnar; Rachah, Amira; Heringstad, Bjørg; Whist, Anne Cathrine; Nødtvedt, Ane C. W.; Reksen, Olav.
Factors associated with milking-to-milking variability in somatic cell counts from healthy cows in an automatic milking system. Preventive Veterinary Medicine 2019 ;Volume 172.
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8 Nørstebø, Håvard; Rachah, Amira; Dalen, Gunnar; Østerås, Olav; Whist, Anne C; Nødtvedt, Ane C. W.; Reksen, Olav.
Large-scale cross-sectional study of relationships between somatic cell count and milking-time test results in different milking systems. Preventive Veterinary Medicine 2019 ;Volume 165. p. 44-51
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2018
9 Bruheim, Jo; Sleveland, Hanna M.N.; Dalen, Gunnar; Bangen, Marit; Reksen, Olav.
Rapportering av utvalgte intramammarier til Veterinært legemiddelregister. Validering mot salgstall. Norsk Veterinærtidsskrift 2018 ;Volume 130.(2) p. 78-84
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10 Dalen, Gunnar; Rachah, Amira; Nørstebø, Håvard; Schukken, Ynte H.; Gröhn, Yrjo T.; Barlow, John W.; Reksen, Olav.
Transmission dynamics of intramammary infections caused by Corynebacterium species. Journal of Dairy Science (JDS) 2018 ;Volume 101.(1) p. 472-479
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11 Kielland, Camilla; Wisløff, Helene; Valheim, Mette; Fauske, Aud Kari; Reksen, Olav; Framstad, Tore.
Preweaning mortality in piglets in loose-housed herds: etiology and prevalence. Animal 2018 ;Volume 12.(9) p. 1950-1957
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12 Nørstebø, Håvard; Rachah, Amira; Dalen, Gunnar; Rønningen, Odd; Whist, Anne C; Reksen, Olav.
Milk-flow data collected routinely in an automatic milking system - an alternative to milking-time testing in the management of teat-end condition?. Acta Veterinaria Scandinavica (AVS) 2018 ;Volume 60.(2)
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13 Rachah, Amira; Dalen, Gunnar; Nørstebø, Håvard; Reksen, Olav; Barlow, John W..
Deterministic modeling of the transmission dynamics of intramammary infections. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1132.(1) p. 1-8
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14 Rachah, Amira; Dalen, Gunnar; Nørstebø, Håvard; Reksen, Olav; Barlow, John W..
Multiphase modeling of intramammary infections caused by Corynebacterium species. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1132.(1) p. 1-7
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15 Reksen, Olav.
Norsk mat er ikke vårt største klimaproblem. Tidsskrift for Den norske legeforening 2018 ;Volume 138.(15) p. 1415-1416
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16 Uhlen, Anne Kjersti; Svihus, Birger; Aass, Laila; Reksen, Olav; Risbråthe, Mette.
Hva er et bærekraftig kosthold?. Nationen [Newspaper] 2018-12-17
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2017
17 Nørstebø, Håvard; Rachah, Amira; Dalen, Gunnar; Rønningen, Odd; Whist, Anne Cathrine; Reksen, Olav.
Associations between teat end callosity and vacuum conditions in an Automatic Milking System. The Liner Conference; 2017-02-08 - 2017-02-08
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18 Rachah, Amira; Dalen, Gunnar; Reksen, Olav; Nørstebø, Håvard; Barlow, John W..
Modelling and dynamics of intramammary infections caused by Corynebacterium species. 2017 7th International Conference on Modeling, Simulation, and Applied Optimization; 2017-04-04 - 2017-04-06
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2016
19 Bhatti, Muhammad Azher.
Climate change resilience through enhanced reproduction and lactation performance in Malawian Zebu cattle. Ås: Norwegian University of Life Sciences 2016 70 p.
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20 Martin, Adam Dunstan; Afseth, Nils Kristian; Kohler, Achim; Randby, Åshild Taksdal; Waldmann, Andres; Eknæs, Margrete; Dørum, Guro; Måge, Ingrid; Reksen, Olav.
The relationship between fatty acid profiles in milk identified by fourier transform infrared spectroscopy and onset of luteal activity in dairy cows. World Buiatrics Congress; 2016-07-06
NOFIMA NMBU Untitled
 
2015
21 Chang'a, Jelly S.; Løken, Torleiv; Mdegela, Robinson; Reksen, Olav.
Factors Associated with Body Weight Attainment in Calves on Smallholder Dairy Farms in Tanzania. Open Journal of Veterinary Medicine 2015 ;Volume 2. p. 66-73
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22 Kielland, Camilla; Rootwelt, Vibeke; Reksen, Olav; Framstad, Tore.
The association between immunoglobulin G in sow colostrum and piglet plasma. Journal of Animal Science 2015 ;Volume 93. p. 4453-4462
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23 Martin, Adam Dunstan; Afseth, Nils Kristian; Kohler, Achim; Randby, Åshild Taksdal; Eknæs, Margrete; Waldmann, Andres; Dørum, Guro; Måge, Ingrid; Reksen, Olav.
The relationship between fatty acid profiles in milk identified by Fourier transform infrared spectroscopy and onset of luteal activity in Norwegian dairy cattle. Journal of Dairy Science (JDS) 2015 ;Volume 98.(8) p. 5374-5384
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2014
24 Kielland, Camilla; Rootwelt, Vibeke; Reksen, Olav; Framstad, Tore.
Immunoglobulin G in sow colostrum and in piglet plasma. 6th European Symposium of Porcine Health Management; 2014-05-07 - 2014-05-09
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2013
25 Espetvedt, Mari Katrine Nicholls; Reksen, Olav; Rintakoski, S.; Østerås, Olav.
Data quality in the Norwegian dairy herd recording system: Agreement between the national database and disease recording on farm. Journal of Dairy Science (JDS) 2013 ;Volume 96.(4) p. 2271-2282
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26 Rootwelt, Vibeke; Reksen, Olav; Farstad, Wenche; Framstad, Tore.
Postpartum deaths: Piglet, placental, and umbilical characteristics. Journal of Animal Science 2013 ;Volume 91. p. 2647-2656
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2012
27 Chang'a, Jelly S.; Løken, Torleiv; Mdegela, Robinson; Reksen, Olav.
Factors associated with body weight attainment in calves on smallholder dairy farms i Tanzania. Open Journal of Veterinary Medicine 2012 ;Volume 2. p. 66-73
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28 Reksen, Olav; Gröhn, Yrjo T.; Barlow, J.W.; Schukken, Y.H..
Transmission dynamics of intramammary infections with coagulase-negative staphylococci. Journal of Dairy Science (JDS) 2012 ;Volume 95.(9) p. 4899-4910
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29 Rootwelt, Vibeke; Reksen, Olav; Farstad, Wenche; Framstad, Tore.
Associations between intrapartum death and piglet, placental, and umbilical characteristics. Journal of Animal Science 2012 ;Volume 90.(12) p. 4289-4296
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30 Rootwelt, Vibeke; Reksen, Olav; Farstad, Wenche; Framstad, Tore.
Blood variables and body weight gain on the first day of life in crossbred pigs and importance for survival. Journal of Animal Science 2012 ;Volume 90.(4) p. 1134-1141
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31 Rootwelt, Vibeke; Reksen, Olav; Framstad, Tore.
Production traits of litters in 2 crossbred Duroc pig lines. Journal of Animal Science 2012 ;Volume 90.(1) p. 152-158
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32 Steine, Torstein; Gudding, Roar; Reksen, Olav; Næss, Geir; Hegrenes, Agnar; Våge, Dag Inge; Gjefsen, Torger.
Utredning - kunnskapsgrunnlag for forskning på husdyrproduksjon. Ås: UMB 2012 53 p.
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2011
33 Andersen, Fredrik; Østerås, Olav; Reksen, Olav; Gröhn, Yrjo T..
Mastitis and the shape of the lactation curve in Norwegian dairy cows. Journal of Dairy Research 2011 ;Volume 78.(1) p. 23-31
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34 Andersen, Fredrik; Østerås, Olav; Reksen, Olav; Toft, Niels; Gröhn, Yrjo T..
Associations between the time of conception and the shape of the lactation curve in early lactation in Norwegian dairy cattle. Acta Veterinaria Scandinavica (AVS) 2011 ;Volume 53.
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35 Chang'a, Jelly S.; Reksen, Olav; Løken, Torleiv; Mdegela, R. H..
Calf health and growth in small-holder dairy farms in Tanzania. Livestock Research for Rural Development 2011 ;Volume 23.(7) p. -
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36 Chang'a, Jelly S.; Robertson, Lucy J; mtambo, Angelo; Mdegela, Robinson; Løken, Torleiv; Reksen, Olav.
Unexpected results from large-scale cryptosporidiosis screening study in calves in Tanzania. Annals of Tropical Medicine and Parasitology 2011 ;Volume 105.(7) p. 513-519
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37 Garmo, Randi Therese; Waage, Steinar; Reksen, Olav; Sviland, Ståle.
Relationship between teat end shape and callosity ring and mastitis bacteria isolated in quarters of Norwegian Red cows. European Buiatrics Forum; 2011-11-16 - 2011-11-18
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38 Garmo, Randi Therese; Waage, Steinar; Sviland, Ståle; Henriksen, Britt; Reksen, Olav.
Kan form på spenetupp og speneåpning hjå kyr virke inn på sannsynlegheita for infeksjon av jurkjertel?. Husdyrforsøksmøtet 2011; 2011-02-14 - 2011-02-15
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39 Mällo, Gret-Kristel; Kaart, Tanel; Sveberg, Guro; Reksen, Olav; Ropstad, Erik; Waldmann, Andres.
Effect of Time of Ovulation on the Efficiency of Oestrus Detection in Dairy Cows by ALPRO. Reproduction in domestic animals (1990) 2011 ;Volume 46. p. 126-126
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2010
40 Chang'a, Jelly S.; Mdegela, R. H.; Ryoba, R; Løken, Torleiv; Reksen, Olav.
Calf health and management in smallholder dairy farms in Tanzania. Tropical Animal Health and Production 2010 ;Volume 42.(8) p. 1669-1676
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41 Garmo, Randi Therese; Waage, Steinar; Sviland, Ståle; Henriksen, Britt; Østerås, Olav; Reksen, Olav.
Reproductive Performance, Udder Health, and Antibiotic Resistance in Mastitis Bacteria isolated from Norwegian Red cows in Conventional and Organic Farming. Acta Veterinaria Scandinavica (AVS) 2010 ;Volume 52. p. -
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42 Garmo, Randi Therese; Waage, Steinar; Sviland, Ståle; Henriksen, Britt; Østerås, Olav; Reksen, Olav.
Reproductive performance, udder health, and antibiotic resistance in mastitis bacteria isolated from Norwegian Red cows managed conventionally and organically. 14th International Conference on Production Diseases in Farm Animals; 2010-06-20 - 2010-06-24
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43 Hanche-Olsen, Siv; Fintl, Constanze; Reksen, Olav.
Føllsykdommer. Norsk Veterinærtidsskrift 2010 ;Volume 122.(7) p. 608-618
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44 Martin, Adam Dunstan; Lystad, Marit; Reksen, Olav; Ropstad, Erik; Waldmann, Andres; Nafstad, Ola; Karlberg, Knut.
Assessment of progesterone profiles and postpartum onset of luteal activity in spring calving Hereford beef suckler cattle. Acta Veterinaria Scandinavica (AVS) 2010 ;Volume 52.(42)
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45 Reksen, Olav; Hanche-Olsen, Siv; Ødegaard, Stig Anders.
Fødselsvansker, retent etterbyrd og jurproblemer hos hoppe. Norsk Veterinærtidsskrift 2010 ;Volume 122.(7) p. 598-607
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46 Reksen, Olav; Hanche-Olsen, Siv; Ødegaard, Stig Anders.
Sykdommer under drektighet og rundt følling hos hoppe. Norsk Veterinærtidsskrift 2010 ;Volume 122.(7) p. 588-596
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2009
47 Garmo, Randi Therese; Martin, Adam Dunstan; Martin, Adam Dunstan; Thuen, Erling; Havrevoll, Øystein; Steinshamn, Håvard; Prestløkken, Egil; Randby, Åshild T.; Randby, Åshild T.; Eknæs, Margrete; Waldmann, Andres; Reksen, Olav.
Characterization of progesterone profiles in fall-calving norwegian Red cows. Journal of Dairy Science (JDS) 2009 ;Volume 92.(10) p. 4919-4928
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48 Garmo, Randi Therese; Martin,, Adam; Waldmann, Andres; Reksen, Olav.
Characterization of Progesterone Profiles in Norwegian Red Cows. Reproduction in domestic animals (1990) 2009 ;Volume 44. p. 78-78
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49 Garmo, Randi Therese; Ropstad, Erik; Havrevoll, Øystein; Thuen, Erling; Steinshamn, Håvard; Waldmann, Andres; Reksen, Olav.
Commencement of luteal activity in three different selection lines for milk yield and fertility in Norwegian Red cows. Journal of Dairy Science (JDS) 2009 ;Volume 92.(5) p. 2159-2165
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50 Hansen, Ingrid Marie; Andersen, Fredrik; Volden, Harald; Østerås, Olav; Reksen, Olav.
Optimalisering av formen på laktasjonskurva til norske melkekyr med tanke på fôring, helse, fruktbarhet og økonomi. Husdyrforsøksmøtet 2009; 2009-02-11 - 2009-02-12
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