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The number of chromosomes of the rabbit was determined at 44, and both the X and the Y chromosomes have submedially situated centromeres. X is of medium size while Y is one of the smallest chromosomes of the c...
In experiments on cows it has been shown that addition of the tracer dye, Food Green No. 4, to intramammary preparations containing sulphonamide by inspection of cut surfaces directly demonstrates the galactog...
Fattening pigs and pigs for breeding have been fed γ-irradiated and non-irradiated control potatoes. The irradiation dose was 14–15 kilorad at the rates 175 r/sec. and 625 r/hr. Rats (Wistar) were also fed irr...
This report deals with some clinical features of bitches with pyometra accompanied by polyuria. According to previous morphological studies a glomerulonephritis often acompanies pyometra in bitches. The renal ...
Kidney biopsies from 23 bitches with pyometra and an entire kidney from four pyometra bitches were examined by light microscopy. Kidney tissue was also taken from three bitches at different intervals after ova...
Renal function studies on bitches with pyometra and normal bitches have included determinations of glomerular filtration rate (GFR), effective renal plasma flow (ERPF), solute excretion rate per unit functioni...
The total body water (TBW) was determined, using a method with tritiated water. One litter of 11 piglets was used for the experiment comprising repeated deterimnations during the first 6 weeks of life. The mea...
A rapid spectrochemical method for determining zinc in 1 ml. portions of pig blood is described. Blood ash is dissolved in HNO3 and excited in a high voltage spark, using graphite capillary electrodes. Spectra ar...
The histopathological changes of the central nervous system in experimental infection of colostrum-deprived piglets with porcine enteroviruses, isolated in Sweden, are described. There was no marked difference...
A statistical analysis of the difference in the number of fluorescent cells between sections from different parts of the tonsil was made. It was found that there was no significant difference between sections ...
The pathogenesis of HCC virus infection in the dog has been investigated. Dogs were infected with virus given per os. After multiplication in the tonsils and in the draining lymph nodes virus was carried to th...
The distribution of virus during the viraemia phase of HCC infection in guinea pigs was studied. It was found that the virus was bound to the mononuclear white blood cells.
Sixteen isolates of ether-resistant viruses from pigs in the central part of Sweden were compared with known swineenterovirus prototypes by neutralization tests. Altogether 8 different serological groups were ...
From 60 swine herds in central Sweden 16 ether-resistant viruses were isolated in swine kidney tissue-culture. Altogether 8 different serological groups were obtained. They produced two different cytopathic pi...
The authors have studied the effect of chlorination at 20 p. p. m. in the chilling water on surface contamination with Salmonellae in dressed chicken. The chickens were artificially contaminated with S. typhim...
Renal function (concentration and dilution) has been examined in 52 bitches with polydipsia and polyuria associated with pyometra (chronic purulent endometritis).
Bitches with polydipsia and pyometra (chronic purulent endometritis) were examined for ADH in the urine and the presence of Gomori-positive material in the hypothalamus and neurohypophysis.
The investigation has shown that the antipyrine concentrations in the external pudic artery and the jugular vein were identical after intramammary administration. In the standing unanesthetized goat the antipy...
The lethal (in the female sex subvital) defect atresia ani has been studied in test matings which also included defect parents. The anatomy of the defect seems to vary between the sexes. Thus in the male sex it s...
Serum from pig fetuses in different stages of development, from 25 days to 112 days, were investigated by Immunoelectrophoresis. It was found that many of the proteins develop quite early in the fetal life. In...
The occurrence of Döhle bodies in the neutrophil leucocytes of anaemic pigs, iron deficiency anaemia included, is described.
In a starch gel electrophoretic study of sera from pigs of the Danish Landrace protein polymorphism involving four haptoglobins designated Hp 0, Hp 1, Hp 2 and Hp 3 was observed. Each component either occurred...
Testicular hypoplasia in mink has been developed using a vit. B6 poor diet mixed with desoxypyridoxine.
Eighty paired sera from cattle with present or previous experiences with the mucosal disease complex were studied for antibodies against PI-3 virus. Ten animals with a significant increase in antibodies during...
An attempt has been made to work out general methods of determining the presence of recent drugs, among others, tranquilizers. Colour reaction with cone. H2SO4, paper chromatography, and absorption in UV and cert...
The paper describes a complex zinc-copper deficiency in young cattle. The symptoms are general unthriftiness, reduced growth and a (fading of the skin around the eyes. Sometimes an alteration of the skin on th...
In this paper, an investigation was made to determine whether liver lesions in swine could be caused by migration of T. cati larvae.
Incubation in vitro of rumen fluid, to which had been added 40 µg. parathion per milliliter resulted in a rapid reduction of the nitro-group of the parathion to an amino group. After 10 minutes of incubation 12–1...
In continuation of a series of experiments on the importance of vitamin A deficiency for pigs an investigation was made to elucidate the effect of A avitaminosis on the sexual origans of the boar. The experime...
The chromosomes of Chinchilla Lanigera, their number and morphology, have been studied in the mitotic metaphase in cells grown in vitro. The diploid number of chromosomes has been found to be 2n = 64.
A comparative investigation of the amount of plasma glutamicoxaloacetic transaminase (GOT) and the morphology of the skeletal muscles has been made in pigs which were fed a muscular-dystrophy-provoking diet. A...
The extracellular fluid space (EFS) was determined using the thiosulphate method. One litter of piglets was used for the experiment, which comprised repeated determinations during the first 6 weeks of life. Th...
Sodium-selenite-Se75 was given as an intramuscular injection to pigs fed on a dystrophogenic diet. An examination for radioactivity of organs at slaughter 1 to 22 days after administration showed that pigs affect...
The addition of I. N. H. to Löwenstein medium has no effect on the growth of Mycobacterium johnei.
On the basis of a finding of 17 serum protein fractions in normal bovine serum and 15 fractions in normal guinea-pig serum on immunoelectrophoresis, an attempt was made to characterize the fractions in terms o...
The isolation of a virus from a cow with mucosal disease is described. The character of the virus and its possible relationship to other viruses is discussed. It is concluded that the virus is related to the p...
Thirteen streptococcal strains and 117 lactobacillus strains have been isolated from the predominating Gram-positive rumen flora of cattle and sheep suffering from acute indigestion due to overeating.
Spontaneous cases of acute indigestion in cows and sheep due to overeating or overfeeding with various readily digestible feeds have been studied.
The author has investigated the development of tarsus in Gallus domesticus using embryos of various ages together with one-day-old chicks. The author found that the anläge of tarsus is present as two cartilage...
A non-surgical method for obtaining pancreatic juice in dogs is described. A tube, preferably double for simultaneous suction of duodenal and stomach fluid, is inserted into the stomach. The upper part passes ...
The levels of glutamic-oxaloacetic transaminase (G.O.T.), glutamicpyruvic transaminase (G.P.T.), and ornithine-carbamyl transferase (O.C.T.) were studied in different organs from healthy dogs. In the liver the...
Electrophoretic separation of cattle plasma in starch gel, with subsequent antigen-antibody reaction in agar gel and absorption experiments have proved that transferrins in cattle are immunologically related. ...
An agar diffusion technique was used to study the sensitivity to 16 antibiotics of 50 Pasteurella multocida strains isolated from calves (smooth colonies) and 50 strains isolated from pigs (mucoid colonies). T...
The endogenous fecal magnesium excretion has been determined in two 8-week old Jersey calves and in two mature Holstein cows. The average values were 3.5 mg./kg. body weight for the calves, and 1.5 mg./kg. for...
Haemolytic E. coli, and particularly the serotype 0138:K81(B): H14, was present among the animals kept on a particular premises during an observation period of 9 years. During the first half of this period mor...
Reindeer are monoestrous half-domesticated ruminants in which cyclic changes occur in spermatogenesis, antler growth, behaviour, and urinary excretion of the Zimmerman chromogen (Z.chr.). These cyclic changes ...
Nine strains of S. dublin isolated from animals of different species and from different countries were unable to grow in a glucose-mineral salts medium. All strains grew well, however, when nicotinic acid was add...
The biochemical reactions of 171 strains of haemolytic E. coli were examined. Of these strains, 79 had the serological formula O 138 :K 8KB) : (H 14), 6 belonged to the serotype O 139 :K 82(B) :H 1, and 86 to ...
Of 272 haemolytic strains of E. coli studied, 209 or 76.8 per cent belonged to 5 O-groups — 14 to O 2, 24 to O 6, 79 to O 138, 6 to O 139, and 86 to O 141. The strains were isolated from pigs, cattle, dogs, an...
The vaccination experiments reported here demonstrated once again the well-known fact that the immunity induced by a single dose of a Waldmann-type vaccine is of short duration.
Veterinary Associations of the Nordic Countries
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Acta Veterinaria Scandinavica