Cristin

2016
1.	Nelson, Sindre Thørn; Martin, Adam Dunstan; Holmøy, Ingrid Hunter; Karlberg, Knut; Nødtvedt, Ane C. W.. A cross-sectional study of factors associated with birth weights of Norwegian beef calves. Preventive Veterinary Medicine 2016 ;Volum 125. s. 59-65 NMBU Untitled
2014
2.	Refsdal, Arne Ola; Karlberg, Knut. Fruktbarhet i fjøset. Fagbokforlaget 2014 (ISBN 978-82-11-01944-8) NMBU Untitled
2013
3.	Fjerdingby, Nina; Hofmo, P.; Karlberg, Knut. Examination of sexual organs from sows culled from herds with reproductive problems. Reproduction in domestic animals (1990) 2013 ;Volum 48. s. 110-110 NMBU Untitled
2012
4.	Fjerdingby, Nina; Karlberg, Knut. Ovarian activity and sex ratio in Hereford cows. Reproduction in domestic animals (1990) 2012 ;Volum 47. s. 83-83 NMBU Untitled

5.	Gillund, Per; Borsheim, T. Lunde; Groseth, Per Kristian; Karlberg, Knut. Heatime (TM) activity monitoring for heat detection in beef cattle in Norway. Reproduction in domestic animals (1990) 2012 ;Volum 47. s. 68-68 NMBU Untitled
2011
6.	Fjerdingby, Nina; Karlberg, Knut. Sex ratio of the offspring in relation to the uterine horn of gestation in dairy cattle. Reproduction in domestic animals (1990) 2011 ;Volum 46. Suppl. 3 s. 105-105 NMBU Untitled

7.	Refsdal, Arne Ola; Karlberg, Knut. Reproductive performance in Norwegian dairy herds the last twenty years. European Buiatrics Forum; 2011-11-16 - 2011-11-18 NMBU Untitled
2010
8.	Fjerdingby, Nina; Karlberg, Knut. Reproductive performance of Norwegian red heifers. Reproduction in domestic animals (1990) 2010 ;Volum 45. s. 86-86 NMBU Untitled

9.	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 ;Volum 52.(42) NMBU Untitled
2009
10.	Fjerdingby, Nina; Karlberg, Knut. Ovulation rate and pregnancy rate in Norwegian red heifers after a single treatment of cloprostenol. European Buiatrics Forum; 2009-12-01 - 2009-12-03 NMBU Untitled

11.	Fjerdingby, Nina; Karlberg, Knut. Reproductive Performance of Heifers Submitted to Rectal Palpation by Inexperienced Veterinary Students. Reproduction in domestic animals (1990) 2009 (44, suppl 3) s. 103- NMBU Untitled
2008
12.	Garmo, Randi Therese; Refsdal, Arne Ola; Karlberg, Knut; Ropstad, Erik; Waldmann, Andres; Beckers, Jean Francois; Reksen, Olav. Pregnancy Incidence in Norwegian Red Cows Using Nonreturn to Estrus, Rectal Palpation, Pregnancy-Associated Glycoproteins, and Progesterone. Journal of Dairy Science (JDS) 2008 ;Volum 91.(8) s. 3025-3033 NMBU Untitled

13.	Gillund, Per; Karlberg, Knut; Engeland, Inge V. Body condition scoring (BCS) in Norwegian red AI-bulls. Reproduction in domestic animals (1990) 2008 (43) s. 100- NMBU Untitled

14.	Karlberg, Knut. Hormonbehandling i reproduksjonsarbeidet hos storfe. Praksisnytt 2008 ;Volum 13.(1) s. 24-27 NMBU Untitled

15.	Karlberg, Knut. Utrangering og død hos svenske krysningspurker. Praksisnytt 2008 ;Volum 13.(1) s. 42- NMBU Untitled

16.	Karlberg, Knut; Hofmo, Peer Ola. Examination of sexual organs from sows culled from herds with reproductive problems. I: Proceedings of the 20th International Pig Veterinary Society Congress, 22-26 June 2008, Durban. Durban: Pig Veterinarians of Southern Africa 2008 s. 427- NMBU Untitled

17.	Martin, Adam Dunstan; Karlberg, Knut; Lystad, Marit; Ropstad, Erik; Waldmann, Andres; Reksen, Olav. Accuracy of ovarian palpation in purebred beef cattle. Reproduction in domestic animals (1990) 2008 (43, Supplement 5) s. 98- NMBU Untitled
2007
18.	Dolvik, Nils Ivar; Ropstad, Erik; Moe, Lars; Fjeldaas, Terje; Karlberg, Knut; Bekkeheien Aase, Bjarne. Veterinærhøgskulen. Tilsette kjemper for flytting til Ås. Nationen [Avis] 2007-04-11 NMBU Untitled

19.	Garmo, Randi Therese; Refsdal, Arne Ola; Karlberg, Knut; Ropstad, Erik; Reksen, Olav. Reproduksjonsforhold hos NRF belyst ved et feltforsøk. Husdyrforsøksmøte 2007; 2007-02-14 - 2007-02-15 NMBU Untitled

20.	Garmo, Randi Therese; Refsdal, Arne Ola; Karlberg, Knut; Ropstad, Erik; Waldmann, Andres; Reksen, Olav. Reproductive performance in Norwegian dairy cattle. ESDAR (European Society for Domestic Animal Reproduction; 2007-09-20 - 2007-09-22 NMBU Untitled

21.	Martin, Adam Dunstan; Karlberg, Knut; Ropstad, Erik; Reksen, Olav; Waldmann, Andres; Lystad, Marit. The reproductive performance of Hereford cattle using milk progesterone analysis. Reproduction in domestic animals (1990) 2007 (42, S2) s. 116- NMBU Untitled
2006
22.	Haugejorden, Gunhild; Waage, Steinar; Dahl, Ellen; Karlberg, Knut; Beckers, Jean Francois; Ropstad, Erik. Pregnancy associated glycoproteins (PAG) in postpartum cows, ewes, goats and their offspring. Theriogenology 2006 ;Volum 66. s. 1976-1984 NMBU Untitled

23.	Refsdal, Arne Ola; Karlberg, Knut; Garmo, Randi Therese. Reproductive Performance in the Norwegian Red Breed. Reproduction in domestic animals (1990) 2006 (Vol. 41, no. 4) s. 345-345 NMBU Untitled
2004
24.	Gaustad-Aas, Ann-Helen; Hofmo, Peer Ola; Karlberg, Knut. Farrowing rate and litter size after pre-weaning insemination or after post-weaning insemination at different lactation length. 18th International Pig Veterinary Society Congress; 2004-06-27 - 2004-07-01 NMBU Untitled

25.	Gaustad-Aas, Ann-Helen; Hofmo, Peer Ola; Karlberg, Knut. Reproductive performance of gilts and sows in temperate versus subarctic and arctic zones of Norway. ? 2004 ;Volum 80. s. 291-301 NMBU Untitled

26.	Gaustad-Aas, Ann-Helen; Hofmo, Peer Ola; Karlberg, Knut. The importance of farrowing to service interval in sows served during. Animal Reproduction Science 2004 ;Volum 81. s. 287-293 NMBU Untitled

27.	Haugejorden, Gunhild; Dahl, Ellen; Karlberg, Knut; Waage, Steinar; Ødegaard, Stig Anders; Vatn, Tore; Beckers, Jean Francois; Ropstad, Erik. Pregnancy associated glycoproteins (PAG) in postpartum cows, ewes, goats and their offspring. 15th International Congress on Animal Reproduction; 2004-08-08 - 2004-08-12 NMBU Untitled

28.	Hofmo, Peer Ola; Gaustad-Aas, Ann-Helen; Karlberg, Knut. Første intrauterine inseminasjon av purke i Norge. ? 2004 ;Volum 116.(8-9) s. 590-591 NMBU Untitled
2003
29.	Gaustad-Aas, Ann-Helen; Hofmo, Peer Ola; Karlberg, Knut. Piglet Production in Temperate versus Subarctic and Arctic Areas with Respect to Differences in Daylength. ? 2003 ;Volum 38. s. 364- NMBU Untitled

30.	Gaustad-Aas, Ann-Helen; Hofmo, Peer Ola; Karlberg, Knut. Reproduction Performance of Gilts and Sows in Temperate versus Subarctic and Arctic Zones of Norway. Animal Reproduction Science 2003 ;Volum 80. s. 291-301 NMBU Untitled

31.	Hofmo, Peer Ola; Kjelvik, Oddbjørn; Karlberg, Knut. Urinveislidelser hos purke med hovedvekt på infeksjoner i urinblæra (blærekatarr). ? 2003 (nr. 2) s. 38-39 NMBU Untitled
2002
32.	Gaustad-Aas, Ann-Helen; Ropstad, Erik; Karlberg, Knut; Hofmo, Peer Ola; Dahl, Ellen. Oestrone sulphate measurements for the prediction of small or large litters in pigs Måling av østronsulfat i forsøk på å predikere små eller kull hos purke. ? 2002 ;Volum 43. s. 157-164 NMBU Untitled

33.	Karlberg, Knut; Hofmo, Peer Ola; Gaustad-Aas, Ann-Helen; Jørgensen, Anne. Reproduksjon hos gris Reproduction in sow. Oslo: Den norske veterinærforening 2002 9 s. NMBU Untitled

34.	Kjelvik, Oddbjørn; Hofmo, Peer Ola; Karlberg, Knut. Urinveislidelser hos purker, med hovedvekt på cystitter Cystitis in the sow. : 2002 5 s. NMBU Untitled

35.	Ropstad, Erik; Karlberg, Knut; Dahl, Ellen; Waage, Steinar; Fjerdingby, Nina; Vatn, Tore; Beckers, Jean Francois. PAG profiles in postpartum dairy cows and newborn calves. ESDAR-conference, Parma, 12-15 September, 2002; 2002-09-15 - 2002-09-17 NMBU Untitled
2001
36.	Gillund, Per; Reksen, Olav; Karlberg, Knut; Gröhn, Yrjo T.. Body Condition related to Ketosis and Reproductive Performance in Norwegian dairy cows BODY CONDITION, KETOSIS AND REPRODUCTIVE PERFORMANCE. Journal of Dairy Science (JDS) 2001 ;Volum 84. s. 1390-1396 NMBU Untitled
1999
37.	Gaustad Aas, Ann Helen; Hofmo, Peer Ola; Karlberg, Knut; Sehested, Erling. Fruktbarhet i purkebesetninger i relasjon til oppstalling, driftsformer og driftsrutiner. Husdyrforsøksmøtet 1998; 1998-02-10 - 1998-02-11 NMBU Untitled

38.	Gillund, Per; Randby, Åshild T.; Karlberg, Knut; Engeland, Inge Vogt; Lutnæs, B.. Validation of body condition in Norwegian cattle using body condition score, ultrasound measurements and body weights. 10th International Conference on Production Diseases in Farm An imals 1998; 1999 NMBU Untitled

39.	Gillund, Per; Reksen, Olav; Karlberg, Knut; Randby, Åshild T.; Engeland, Inge; Lutnæs, Bjørn. Utprøving av en holdvurderingsmetode på NRF-kyr. Norsk Veterinærtidsskrift 1999 ;Volum 111.(10) s. 623-632 NMBU Untitled