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In a preceding paper (Friis 1972), the so-called SAR (M. suipneumoniae antibody resistant) mycoplasma strains were described. As the reported findings indicated that these isolates belonged to a separate species,...
In bovine species 4 classes of immunoglobulins have been identified. Murphy et al. (1965) have demonstrated the presence of IgM, while Mach et al. (1969) and Vaerman (1970) have described the presence of IgA in c...
The determination of amphetamine in body fluids is of interest in veterinary toxicology because of the possible use of amphetamine in the doping of race horses. Many types of methods for its detection and dete...
Feline leukemia (leukosis, lymphosarcomatosis) is now known to be caused by a virus (Jarrett et al. 1964). The feline leukemia virus antigen has been demonstrated in salivary glands of leukemic cats (Hardy et al.
The clinical and pathological picture of the BVD/MD complex is most protean, and the majority of cases run a subclinical course (Bruner & Gillespie 1966). The disease complex has been recorded in many countries a...
It is shown that various microbial and animal proteinases, with the exception of pepsin, have a lytic effect on peptide- and protein-lignosulphonic acid complexes in agar gel, and that this effect is character...
The effects of incubation time and incubation temperature on precipitation zones of peptide-lignosulphonic acid complexes in agar plates are studied in relation to the mathematical dependence of zone diameter ...
The precipitation of peptide- and protein-lignosulphonic acid complexes can be demonstrated and studied in agar plates in the form of precipitation zones. The effects on the precipitates caused by variations i...
The thyroids of 117 bovine foetuses were studied by some histochemical and selective staining methods with respect to the occurrence of parafollicular cells. Furthermore, 7 foetuses were studied by electron mi...
Fifteen adult male rats, the “experimental” rats, were fed a daily diet which contained methyl mercury hydroxide combined with liver homogenate. The daily dose of methyl mercury in terms of metallic mercury wa...
The intravenous injection of 3', 5' AMP, 10 mg/kg, caused an immediate rise in blood glucose in normal sheep. In sheep where liver glycogen was depleted by pretreatment with 100 mg/kg of nicotinic acid, the bl...
Seven healthy male cats weighing between 2.35 and 4.30 kg were daily fed a diet which contained Hg203 labelled methyl mercury hydroxide in liver homogenate. Eight additional cats were kept as controls on a simila...
The double diffusion technique, immunoelectrophoresis, the zymogram technique for proteinases and the casein precipitation inhibition test (GPI-test) were employed for identification of specific bacterial prot...
Using 21 worm-free lambs in paddocks on old sheep pastures on 4 farms near Oslo, it was found that Nematodirus spp., Ostertagia spp. and Moniezia spp. were the only helminths which could survive the winter in ...
Fifteen pregnant ewes in an open barn were kept on a constant hay diet during the whole gestation period. The ewes were shorn as usually in fall and spring. The serum non-esterified fatty acids (NEFA) and the ...
A survey is given on glycerol and its metabolism in the organism. Free glycerol in plasma was determined in 173 samples from 21 cows at 2 different farms. The highest concentration 110±42 µmol/1 was observed i...
The ability of the eggshell to resist penetration of Salmonella bacteria was studied in unwashed and in hand washed eggs, and in eggs, which had been subjected to industrial, large-scale machine washing under ...
The influence of egg washing on the bacterial counts of egg contents after subsequent storage was studied. Unwashed eggs were compared to eggs subjected to industrial large-scale machine washing. The washing p...
During the last decade, an increasing number of bovine adenoviruses have been isolated from calves suffering from more, or less, well-defined syndromes. These have consisted of respiratory disorders of varying...
The fundamental differences between monogastric animals and ruminants as regards the handling of dietary carbohydrates and as regards the relative importance of gluconeogenesis, rise interesting questions as t...
In a preliminary experiment two sows were vaccinated, respectively a fortnight and seven weeks before expected farrowing, with a vaccine consisting of equal parts of a suspension of E. coli strain A1 serotype O14...
The isolation of Mycoplasma suipneumoniae (M. snip.) has not hitherto been possible in broth culture if the material also harboured Mycoplasma hyorhinis (M. hyor.), since the latter organism would outgrow M. s...
According to several authors specific antibodies can be demonstrated in serum of cows with mycoplasma mastitis. For practical reasons, and for pathogenetic studies, it would be of interest if presence of antib...
It is fully justified to call rats a menace to public health owing to their role as carriers of various infective agents. Investigations concerning the named role of this species have also contributed in shedd...
The metabolism of immunoglobulin classes has been closely examined in several animal species. Although the horse has received much attention in experimental and applied immunology there seems to be little info...
The normal ultrastructure of the intestinal epithelium of F. hepatica has been described in detail e. g. by Thorsell & Björk- man (1965). However, experimentally produced pathological phenomena of the epithel...
In 1969 294 eggs from herring gull were collected from eight different localities in Norway. The eggshell thicknesses were measured, and 10 eggs from each locality were analysed by gas liquid chromatography fo...
The serological relationship between bovine and swine trypsins, and bovine α-chymotrypsin has been studied with rabbit antisera at different stages in the immunization period. By using paper electrophoresis to...
The investigations indicate that a variety of non-dialyzable proteins and peptides, including hemoglobins, blood serum proteins, casein, soy protein and hydrolyzed proteins (peptones) are able to neutralize th...
In order to test the variation of enzyme activity in serum of cattle and sheep during the day, blood samples were taken at three hrs. interval from 6 a.m. to 9 p.m. The following enzymes were assayed: Aspartat...
In a series of experiments it was demonstrated that highly increased activities of aspartate aminotransferase (= GOT), total lactate dehydrogenase (LDH), and α-hydroxybutyrate dehydrogenase (HBD) occurred in s...
An experiment was performed to study some serum enzyme changes taking place in artificially fed lambs made dystrophic on a skim milk ration supplemented with α-tocopherolextracted cod liver oil. In the course ...
Twenty-three strains of Sphaerophorus necrophorus, isolated from animal pathological processes, were characterized. The two biotypes of Fievez (1963) were recognized, differing in colony morphology, cell morpholo...
The metabolism of I131-albumin was examined in chronically fluke- infected animals in which anaemia and hypoalbuminaemia were prominent features. Animals with high fluke-burdens exhibited increased turnover rates...
Using the method described in a previous publication for recording the reticulum action in normal cows the authors have investigated three cows with experimentally produced reticuloperitonitis as well as a gro...
A method for recording the motility of the reticulum in normal cattle has been devised. The method is based on measurement of the pressure variations occurring in connection with the reticular contractions. Th...
Several observations of the occurrence of PCB in marine organisms have been published since Jensen (1966) proved the presence of these compounds as pollutants in the environment. In the last years the occurrence ...
Reduced and iodoacetate alkylated keratin, S-carboxymethyl-kerateine (SCMK), may be separated in components differing in molecular weight and sulphur content (Gillespie et al. 1962). Species differentiation could...
Reports on discrepancies between local and systemic immunity started to appear about 50 years ago (cf. Tomasi & Bienenstock 1968). Protection against infections has been shown in many cases to be closely related ...
Many aromatic nitro compounds are reduced to the corresponding amines in the rumen by the activity of the rumen flora, and this may influence the effect of such compounds when given orally to ruminants. The di...
Whirling disease caused by Myxosoma cerebralis is a widespread and feared disease in fingerlings of hatchery reared rainbow trout (Salmo gairdneri). Since the first description of Whirling disease (Hofer 1903), i...
The first outbreak in Denmark of enteritis in newborn piglets due to infection with E. coli serotype 0149:K91:H10 was demonstrated in the autumn 1966 (Knox & Dam 1970). Since then this serotype has spread rapidly...
In the autumn of 1968 Pseudorabies was demonstrated in blue foxes (Alopex lagopus) on two fur farms in Jutland. The foxes had been fed with dead piglets from herds of swine belonging to the two farmers.
From January 1968 through February 1970 Pseudorabies was demonstrated in 12 red foxes (Vulpes vulpes) from different parts of Denmark. Eleven of them were free-living, while one had been kept in captivity.
In 3 relatively large samples intersexuality was found in 0.2 % of the pigs. Litters with intersexes had a deficit of male piglets. The total number of piglets in such litters was correspondingly reduced. Pig ...
Forty-five day-old broiler chicks were equally divided into 3 groups, 2 being fed 2,4-D and 2,4,5-T, respectively, from the fifth day of life for up to 7 months, at 1,000 p.p.m. in the drinking water, and the ...
In connection with transfer of sheep from the lowland near Oslo to mountain pastures at an altitude of 1,200 m above sea level, investigations were carried out in 37 animals to study the effect of physical str...
Two experiments comprising a total of 80 Danish Landrace pigs in the period 20–90 kg live-weight were carried out to study the effect of dietary levels and ratios of Ca and P on serum values of Ca, inorg. P, a...
The toxic action of ingested fluorine compounds was first observed among people living in places where the fluorine content of the water was high. The clinical picture was dominated by the easily detectable le...
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Acta Veterinaria Scandinavica