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For the examination of changes in the mammary blood flow in cows during the lactation period it is desirable to relate the blood flow to milk yield as well as to udder weight. Therefore, a method is required w...
A hypochromic microcytic iron deficiency anemia associated with light underfur and increased mortality in mink kits is caused by the feeding of various species of raw marine fish, especially coalfish (Gadus vi...
Autopsy studies of the thyroid gland in lactating cattle were combined with chemical tests of thyroid function, i.e. protein-bound iodine (PBI) in serum, and uptake by the erythrocytes in vitro of I131-labelled L...
After a review of the literature the report of a trial with 30 dairy cows is presented. The cows were divided into 3 groups of 10; 1 group functioned as control (A), 1 had free access to marrow-stem kale (B), ...
Number of platelets, leucocytes and packed red cell volume (PGV) have been determined in normal piglets during the first 2 weeks of life.
Cases have been described of fatal nitrite poisoning in swine resulting from the intake of condensation water from ventilating shafts (Andersen 1962, Olsson & Rösberg 1964).
A gas chromatographic method is described by which 11 amino acids in protein hydrolysate can be determined. They are: alanine, aspartic acid, glutamic acid, glycine, isoleucine, leucine, lysine, methionine, ph...
Altogether 8 strains of aeromonads were isolated from various furred animals; 2 of the strains may have had fatal significance. The investigations showed that the identification of these bacteria can be based ...
Inoculation experiments were performed with two German strains of swine fever virus. In Experiment I, ten pigs of Danish Landrace were inoculated with a strongly virulent strain, while in Experiment II ten pig...
Using a radiopaque contrast medium and a local anaesthetic injected epidurally in 70 young pigs, measuring 40—100 cm in length and weighing 6—65 kg, it was investigated how far foreward the anaesthetic penetra...
Pulmonary lesions associated with Pseudomonas infections in mink were studied histologically. In peracute cases the injury consisted of hemorrhagic necrosis of the lung tissue. In later stages of progression t...
In order to study some effects of a new haematinic for treatment of piglet anaemia, some basic studies on untreated animals have been performed. It has been shown that during the first weeks of their life, the...
A total of 12 strains of the genus Aeromonas were all good producers of so-called caseinate precipitating enzyme (CP-enzymes).
As far back as 1956 Porath (7) called attention to the fact that zone dissemination during eluation is of considerable disadvantage when fractionating mixtures of proteins by means of zone electrophoresis in vert...
Thirty-two pigs were divided into 8 groups in an experiment to study the effect of various levels of calcium, phosphorus and vitamin D in the feed on weight gain, feed conversion, calcium, inorganic phosphorus...
Fluorescent antibody staining (FA) for pseudorabies has been performed on frozen sections from the cerebrum, cerebellum, and pons from 51 piglets suspected of pseudorabies.
Three cases of gastritis in sows due to the stomach worm Hyostrongylus rubidus are described. This disease has not previously been reported from the Scandinavian countries.
At 53 days of age, 30 male Holstein-Friesian calves were divided into 2 equal groups and fed for a 17 week period a ration containing either 15 µg (deficient) or 150 µg (control) of carotene per 0.45 kg of liv...
Necrotizing enteritis in piglets caused by Clostridium perfringens type C has been diagnosed in 32 Danish herds of swine (status as at March 1, 1967), the geographical location of which (Fig. 1) shows the enzo...
Two intersex horses were characterized externally by vulva and “enlarged clitoris-hypoplastic penis” and internally by uterus and testicles. Both had a normal female karyotype 64/XX. One of the horses whose bo...
In both Denmark and Scotland the domestic pig, Sus scrofa domestica, is frequently parasitised by two species of the nematode genus Oesophagostomum: Oe. quadrispinulatum, and Oe. dentatum (1). Other studies (2...
Erythrocyte sedimentation rate, total protein and fibrinogen, electrophoretic protein pattern, and total serum protein-bound carbohydrates have been determined in a number of domestic animals and compared to h...
Total serum protein levels were determined and filter paper electrophoresis was run in serum samples from 48 ewes during pregnancy under different feeding conditions and anthelmintic treatment.
Two heifers of the Swedish red and white (SRB) breed showed hypoplasia of the genital organs and the sex chromosomal constitution XY. The hypoplastic-dysplastic ovarian follicular system is given a more detail...
The study comprises 49 dogs, 2 horses, and 2 cows with haemangioendothelioma, which have been subjected to autopsy over a period of 26 years. Most of the dogs were old, and there is an over-representation of m...
The in vitro binding of manganese to serum proteins in cattle was investigated using sera exhibiting the following transferrin pheno-types: Tf AE, Tf AA, Tf DD and Tf EE. After the addition of Mn54 to serum and d...
The first intake of colostrum changes to a great degree the quantitative composition of free plasma amino acids in newborn piglets.
Döhle bodies were observed in a horse suffering from a chronic pleurisy. The bodies were demonstrated in about 80 % of the neutro-phils in blood smears prepared during an acute flare-up of the disease. One to ...
The incidence of vacuolated hepatic cell nuclei is reported in cattle and buffalo with different diseases. The change is noticed in adult animals and also in up to 2 months old calves. There is an inverse corr...
The colicine production of 789 porcine E. coli strains was investigated in temperatures of 37°G and 40 °C respectively. The results are expressed in tabular form. It was found that of 435 strains isolated from...
Working with acidic starch gels (pH 5.9) Brænd & Efremov (1965) detected a large number of horse serum protein zones migrating faster than the albumins. In the present communication these proteins shall be called...
Wateriness and a pale colour seriously impair the quality of pork and have given rise to an extensive literature (cf. 1). No reports have appeared, however, on the effects of physical training of the pigs.
In Nov. 1966 mycoplasmas were cultured from a pus-filled semen sample of a one-year-old A.I. bull “K”. In subsequent samples pus admixture continued, and mycoplasmas were isolated also in Dec. When the pathoge...
During the fall of 1966 several strains of Mycoplasma were isolated from semen samples of bulls. A strain “K” isolated from a bull with simultaneous occurrence of leucocytes and mycoplasmas in the semen was se...
When histamine was given by mouth to sheep, the urinary increase in free and conjugated histamine on an average corresponded to 0.016 and 0.52 % of the administered dose, respectively. Between 4 and 18 % of C14-h...
Histamine ingested with the food or given by mouth disappeared much faster from the rumen than an inert marker (polyethylene glycol), whereas the inactivation of histamine by rumen contents was slow in vitro. ...
Starch gel electrophoresis has been used for studies on serum transferrin (Tf) polymorphism in Norwegian Red Cattle (NRF). A total of 13 different Tf phenotypes were observed. Three of them were heterozygous f...
A slow, but significant, histamine inactivation was found in the tissues of the fore-stomachs. The inactivation was significantly higher in rumen muscle than in rumen epithelium (11.2 and 6.4 µg histamine diph...
Mycoplasmas were isolated from the prepuce of 12 of 45 bulls and the semen of 2 of the 12 preputial-positive animals, and also from the semen of 1 of the 33 bulls which had not yielded mycoplasmas in the prepu...
Growth of 12 laboratory strains of Mycoplasma isolated from cattle, chicken, goat, man and sewage were studied on 20 different solid mediums and 9 liquid mediums. Growth on solid mediums was evaluated on the b...
A study has been carried out to investigate the distribution and concentration of radiocesium in bull semen after oral administration. Two bulls were given 2.5 mGi Gs134 in water solution with a stomach tube. Sem...
In a district on the west coast of Norway where the annual precipitation is about 3000 mm, the content of Gs137 in cows milk, fodder and excreta from 14 different farms have been measured during the period 1963—1...
Suckling mice are serviceable in many virological experiments because they are sensitive to various virus species. Simpson & Groupé (2) succeeded in adapting the Beaudette strain of infectious bronchitis virus (I...
Blood-sampling from animals can be done in several ways without interfering with the results from analysis of many substances in the blood. For such labile substances as plasma enzymes, it should be realised, ...
A method is described for the preparation of a suspension of single cells of the intestinal mucosa by the calcium chelators ED TA and EGTA.
Serum samples from 3 Yugoslavian pig breeds, Resavka, Mangolica and Pfajfer, have been typed for transferrin, hemopexin, ceruloplasmin and amylase by means of starch gel electrophoresis.
A special culture dish has been devised for bacterial cultivation. The bottom of the dish is covered with a horizontal layer of Sephadex® on the top of which the type of membrane used in the individual experim...
Twenty Danish and 3 foreign strains of the porcine subtype of Cl. perfringens type G have been studied with regard to biochemical activity and toxin formation.
Thirty-five experiments are demonstrated in which high-lactating cows were exposed to abrupt changes from a normal dietary Mg supply to an extremely Mg-poor diet. The preliminary diet was adequate, supplying t...
A two-years experiment has been performed to investigate the effect of a vitamin E-deficient diet to pregnant adult ewes and their newborn lambs. 18 ewes and 28 lambs have been tested with serum enzyme determi...
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Acta Veterinaria Scandinavica