Articles

Pathomorphology of the Intestinal Mucosa in Diarrheic Calves

The intestinal mucosa was examined in twelve 2–5-week-old calves with a spontaneous intestinal disorder, 8 with diarrhea and 4 convalescents. The calves were fed a defined milk replacer. Light microscopy inclu...

Authors: Thor Landsverk

BVD Virus Antigens in Tissues of Persistently Viraemic, Clinically Normal Cattle: Implications for the Pathogenesis of Clinically Fatal Disease

The cellular events involved in precipitation of the clinically fatal outcome of an infection with bovine viral diarrhoea virus (BVDV) remain unresolved, though it is now known that this course of the infectio...

Authors: H. Bielefeldt Ohmann

Effects of Leucocyte Extract, Levamisole and Sulphadimidine on Natural Coccidial Infections (Eimeria Spp.) in Young Lambs

The efficacy of leucocyte extract (LE) and sulphadimidine in preventing coccidiosis in naturally infected lambs on pasture was evaluated in 3 separate experiments, whereas the prophylactic effect of levamisole...

Authors: Bjørn Gjerde and Oddvar Helle

Rotavirus and Enterotoxigenic Escherichia Coli Infections of Calves on a Closed Finnish Dairy Farm

Rotavirus and enterotoxigenic Escherichia coli infections of calves were surveyed during 2 successive years on a closed Finnish dairy farm consisting of 90–105 milking cows. From a clinical standpoint, diarrho...

Authors: Liisa Sihvonen and Paavo Miettinen

An Enzyme-Linked Immunosorbent Assay (Elisa) for The Primary Diagnosis of Foot-And-Mouth Disease Characterization and Comparison with Complement Fixation

A sandwich type ELISA for foot-and-mouth disease (FMD) virus types O, A and C was established, using a combination of rabbit anti-146 S and guinea pig hyperimmune antibodies. This method was found to be highly...

Authors: P. Have, J. C. Lei and K. Schjerning-Thiesen

Indigestion in Young Calves VI

Diarrhea occurred in 12 pre-ruminant calves after the introduction of milk replacers. Six of the calves were fed a replacer made of normally treated skim milk and whey powder, while the other 6 got a replacer ...

Authors: T. Landsverk, B. Laksesvela, E. Liven, A. Lund, Ø. Ødegaard and I. Ørstavik

Fetal Infection with Porcine Parvovirus in Herds with Reproductive Failure

During a 20 months period in 1978 and 1979 aborted, macerated and mummified fetuses as well as stillborn piglets from herds with reproductive failure were examined for evidence of infection with porcine parvov...

Authors: K. J. Sørensen and J. Askaa

Indirect Immunofluorescence Using F(ab’)₂-Immuno-Reagents for the Demonstration of Bovine Viral Diarrhea Virus (Bvdv) Antigen in Lymphoid Tissue

Authors: Helle Bielefeldt Ohmann and Kristian Dalsgaard

Virus Enteritis of Mink. A Scanning Electron Microscopic Investigation

Advanced lesions in the jejunal mucosa in virus enteritis of mink were studied by scanning electron microscopy. The changes were found to be in good accordance with those observed in the light microscope, and ...

Authors: Thor Landsυerk and Knut Nordstoga