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Antisera from rabbits immunized with acetone-killed whole cells and with lipopolysaccharides from Brucella abortus (B.a.) and Yersinia enterocolitica type IX (Y.e.) were gel-filtered on Sephadex G-200 columns.
In four ruminant calves a state of thiamine deficiency was brought about with a thiamine antagonist, amprolium. Twice daily the calves were given Amprolmix® containing 25 % amprolium through a stomach tube. The d...
A survey is given of presently known mycoplasmas of bovine source. Media and methods of cultivation are described. Cholesterol dependence, being the basis of division of Mycoplasmatales into Mycoplasmataceae a...
The concentration of vitamin R12 in the blood was studied in five totally gastrectomized pigs followed for 10–18 months, and in four controls followed for 5¼–8 months. The concentration of vitamin B12 in the live...
This paper deals with an unusually high incidence, i.e. 0.97 % of carcinoma of the small intestine found in Icelandic sheep. The tumours were situated in the jejunum and upper ileum. The macroscopic and microscop...
Methods of collecting sputum and tracheobronchial washings are described.
A total of 274 strains of Micrococcus indolicus, 211 of which had been isolated from cases of summermastitis, 13 from other cases of mastitis in cattle, 15 from other suppurative lesions in cattle, 13 from ins...
The fine structure of the reindeer cornea in normal conditions and in spontaneous keratitis was described. There were more layers of squamous and fewer layers of polyhedral cells than in pigs, cattle and horses.
A conjugate of oestradiol-17β and bovine serum albumin (BSA) has been prepared by the mixed anhydride method. The conjugate was characterized by u.v.-analyses and immunoelectrophoresis, and the number of moles...
Labelled swine albumin resp. IgG were injected intravenously in two boars. The radioactivity of seminal plasma was determined at frequent intervals. It was observed that minimal amounts of radioactivity of alb...
Blood was collected the day before slaughter from pigs fed fine, medium or coarse ground grain and examined in accordance with Tables 1–3. Of the 15 pigs (group 1) on the finest meal all except one developed p...
The concentration of total iodine in colostrum and normal milk of cows and sows has been determined using a Technicon Autoanalyzer. In cows as well as in sows a lowering of the level of iodine in milk was obse...
Mast cells and globule leucocytes in the walls of the common bile ducts of seven uninfected slaughtered cows and of five cows chronically infected with Fasciola hepatica were studied by electron microscopy. Th...
This paper describes briefly the normal ultrastructure of bile-duct epithelial cells in cattle and the main ultrastructural alterations produced in them by chronic infection with Fasciola hepatica. The studies...
Payzone-feeding has been found to cause a decrease in thyroid activity. In this study the blood of payzone-fed birds was investigated to find if this decrease would be strong enough to cause any changes in the...
Amprolium fed to growing chickens in a concentration of 125 p.p.m. in a commercial diet was accompanied by a small but significant decrease in thyroid activity compared with the results for untreated chickens,...
Sulphur metabolism was studied in thymuses of 8 young dogs stressed by peripheral irradiation. Autoradiographic studies revealed a significantly heavier uptake of 35S in the medulla, rich in reticular cells, than...
Examination of nasopharyngeal secretion and organ material from clinical cases of respiratory diseases in horses, using inoculation of embryonated hen eggs and rabbit and horse kidney cell cultures, resulted i...
The present investigation was carried out in order to find a suitable medium for the production of proteolytic enzymes from different types of Clostridium botulinum. Proteolytic activity was found in Clostridi...
Proteolytic activity has long been regarded as an important characteristic for distinguishing between different types of Clostridium botulinum. While all strains of Clostridium botulinum type A examined so far...
Investigated strains of Bacillus thuringiensis were all good producers of casein precipitating proteinases (CP-enzymes).
Some biological properties of proteolytic and lipolytic enzymes of the larval stages of Oedemagena tarandi (L.) were examined. While the proteinase titres seemed to vary only slightly from one larval stage to ...
The effects on growing pigs of substituting 4.5 and 9 % of soy bean meal with a corresponding amount of single cell protein produced from sulphite spent liquor in a diet based on cereals and fish meal have bee...
It is shown that lignosulphonic acids, at a concentration of 13 % in conventional feed given to growing pigs, lead to a marked reduction in the weight gain.
The effects of lignosulphonic acids on colicins, coliphages, different antibiotics, ß-toxin of Staphylococcus aureus, lecithinases of Clostridium perfringens and of Bacillus cereus, hemolysins of Bacillus cere...
Commercial ovomucoid trypsin inhibitors (OMTI) and egg white were exposed to various doses of gamma irradiation, using a cobalt-60 source. The inhibitory activity of non-irradiated and irradiated samples on bo...
It has been shown that lignosulphonic acids have an inhibitory effect on various animal and microbial proteinases. The activity of 0.005 mg swine trypsin, 0.007 mg bovine a-chymotrypsin and the proteinase acti...
Two experiments (Exps. I and II) were performed in pigs to test the effect of disintegrated cells and partially purified endotoxin derived from E. coli. The pigs were fed a diet supplemented with cod liver oil...
Epididymal spermatozoa from moose were studied in phase contrast, light interference and electron microscope. Some samples taken from cauda were diluted and frozen in liquid N2. The motility of the sperms after t...
Feeding experiments with Clostridium botulinum toxin type Cβ were carried out using 11 goats. The toxin, which originated partly from the liver of a cat carcass and partly from broth inoculated with Cl. botulinum...
The total and differential oocyst counts of the different Eimeria species in the faeces of Norwegian ewes and lambs were investigated at weekly intervals during the grazing period on permanent and new pastures...
The inhibitory effect of peptide-precipitating lignosulphonic acids on the proteolytic activity of pepsin in vitro has been studied. When an unfractionated lignosulphonic acid preparation was used, total inhib...
Norwegian sheep were investigated for globidial schizont infection in the abomasum. The frequency of infection was found to be 78.2 %. Light microscope studies of the various mature schizonts revealed the existen...
Comparative studies were made on the histopathology of the liver and bile ducts in dicrocoeliasis and fascioliasis of the goat. Investigations revealed certain similarities in the nature of the pathological ph...
The fermentation of various sugars by Gandida utilis in the presence of purified peptide-precipitating lignosulphonic acids has been studied. An inhibitory effect on the fermentation of sucrose, glucose, xylos...
Intravenous infusion of theophylline at rates of 1 and 2 mg/kg/min. caused marked hypocalcemia in intact sheep. The plasma concentration of NEFA increased. The lipolytic but not the hypocalcémie effect of theo...
Seventeen viral isolates cytopathic for kitten kidney cells were isolated from 23 cats with symptoms of the respiratory disease feline viral rhinotracheitis or feline influenza. Five of these are classified te...
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Acta Veterinaria Scandinavica