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Animal Reproduction Science|June 14, 2000
To treat or not to treat: a proper use of hormones and antibioticsA O RefsdalActa Veterinaria Scandinavica|January 1, 1989
Variations in parameters of liver function and plasma progesterone related to underfeeding and ketosis in a dairy herdE Ropstad, K Halse, A O RefsdalActa Veterinaria Scandinavica|January 1, 1989
Thyroxine in blood plasma related to plasma levels of acetoacetate and glucose in ketotic and healthy cowsE Ropstad, K Halse, A O RefsdalActa Veterinaria Scandinavica|January 1, 1989
Immune function in dairy cows related to energy balance and metabolic status in early lactationE Ropstad, H J Larsen, A O RefsdalActa Veterinaria Scandinavica|January 1, 1989
Levels of milk urea, plasma constituents and rumen liquid ammonia in relation to the feeding of dairy cows during early lactationE Ropstad, L Vik-Mo, A O RefsdalJournal of Dairy Science|January 20, 2007
Bovine claw and limb disorders at claw trimming related to milk yieldA M Sogstad, O Østerås, T Fjeldaas, et al.Theriogenology|January 1, 1994
Use of semen from a bull heterozygous for the 1 29 translocation in an IVF programP Lonergan, E Kommisrud, O Andresen, et al.Journal of Dairy Science|August 19, 2007
Results and evaluation of thirty years of health recordings in the Norwegian dairy cattle populationO Østerås, H Solbu, A O Refsdal, et al.Animal Reproduction Science|February 22, 2001
Progesterone concentrations in milk fat at first insemination--effects on non-return and repeat-breedingA Waldmann, O Reksen, K Landsverk, et al.Journal of Dairy Science|July 25, 2008
Pregnancy incidence in Norwegian red cows using nonreturn to estrus, rectal palpation, pregnancy-associated glycoproteins, and progesteroneR T Garmo, A O Refsdal, K Karlberg, et al.Pageof 2