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During recent years protozoa of the Neospora genus have been identified as a major cause of bovine abortions world wide (Barr et al. 1991, Mcintosh & Haines 1994, Thornton et al. 1991, Yaeger et al. 1994). A pres...
Sarcoptic mange (Sarcoptes scabiei var. vulpes) reached Scandinavia in the mid-1970’s and is mainly prevalent among red foxes (Vulpes vulpes) (Borg 1987). In the laboratory, foxes succumb 2–4 months after being i...
Superovulation is one important step in embryo transfer. By administration of gonadotropins a multiple ovulation is induced. Several FSH-preparations for superovulation are commercially available. Most of thes...
Lactic acid bacteria are considered indigenous members of the gastrointestinal microflora in a number of animal species (Savage 1977a). Some intestinal strains of lactobacilli and streptococci are aWe to adhere t...
A-scan ultrasonography was performed in 40 healthy Samoyeds aged 2–5 years. Mydriasis and cycloplegia were induced in all dogs and 25 of the dogs were also sedated prior to the ultrasound examination. Five con...
This study was carried out to obtain basic information on the transmission of Oesophagostomum dentatum and Hyostrongylus rubidus in outdoor reared pigs in Denmark. Eighteen 10 weeks old worm-free pigs were alloca...
This study was undertaken to assess the suitability of Danish Landrace/Yorkshire (L/Y) crossbred pigs as experimental hosts of a Chinese mainland strain of Schistosoma japonicum. Pigs were exposed to 200, 500 or ...
Microbiological counts for 10 different sampling sites of 28 reindeer carcasses were studied in 3 reindeer slaughterhouses in Finland. On each carcass the hindshank, round, abdomen, flank, brisket, foreleg, sh...
Twenty-one heads of cattle were vaccinated with Madibovin, 31 with Rabdomun and 127 with Rabisin on 4 different farms. Rabies neutralizing antibody titre (≥0.5 IU/ml) was detected in 80% of 163 animals tested ...
Characterization of V anguillarum strains (n=109) isolated from diseased salmonids was performed. Eight O serovars were found among the strains. Serovar Ol was predominant (90 %), while serovars O2, O3, O5, O8, O...
An epidemiological study was conducted in 18 dairy herds with the objective to characterize those groups of cows where skin injuries to the body and thighs occurred most frequently. Data were analyzed with mul...
A questionnaire concerning the diagnosis and treatment of bovine mastitis was sent to all 350 Swedish food animal practitioners. 287 (82%) of the questionnaires were returned. One of the main aims was to estab...
In order to conform with current EC standards with regard to antibiotic cover, the Norwegian Cattle Association is currently investigating the use of Biladyl® as an alternative to the milk-based extender which...
Development of mammalian embryos in vitro is functionally and temporally inferior to embryo development as it occurs inside the female reproductive tract. The deficiencies of cultured embryos range from slow c...
Equine herpesvirus 1 and 4 (EHV-1 and EHV-4) are important pathogens responsible for considerable economic losses in the horse industry. Differentiation between these 2 viruses using conventional serological m...
The effect of cooking on residues of the quinolones oxolinic acid and flumequine in fish was investigated. Salmon containing residues of oxolinic acid and flumequine was boiled or baked in the oven. Samples of...
Physiological stress response to intraruminal fluid administration was studied in 5 female goats. The fluid was given through a stomach tube. The water was cold (10°C) or warm (38°C) and in an amount of 7.5-10...
Seven goats were given medetomidine 5 μg/kg as an iv bolus injection. Venous blood samples were taken repeatedly and urine was collected continuously via a catheter up to 7h after the injection.
The infection rate of Toxoplasma gondii was studied during 6 years in a sheep flock in central Sweden. The flock consisted of 165-249 breeding ewes of which 20-35% were lambs less than 1 year old. Most ewes were ...
Three groups of pigs were studied during and after 10 weeks of treatment with either Al(OH)3 (Al[OH]3-group, n=8) to induce hypophosphatemia, A1P04 (AlP04-group, n=8, aluminium control without hypophosphatemia) o...
Semen from 3 stallions was extended using 2 methods (Kenney extender and a modified Kenney extender), slowly cooled, and stored for 41 ± 6 (s.d.) h before insemination. An insemination dose (40 ml) contained 1...
When measured before morning feeding plasma acetoacetate (ACAC) increased and glucose (GL) decreased significantly with increasing milk yield (fat corrected, FCM) within 2 groups of half-sister related heifers...
The effects of the long-acting somatostatin analogue octreotide were studied in sheep. Octreotide was given subcutaneously at a dose of 0.75 ug/kg body-weight and, as a control, 0.9% saline solution was inject...
Ruminai acidosis was induced experimentally with 70 g barley / kg body weight in 2 rumen fistulated cows with chronic indwelling catheters in the portal vein, in a hepatic vein and the carotid artery. The cows...
Bovine embryos were biopsied using a simplified splitting technique and frozen-thawed according to a standard method with glycerol as cryoprotectant. The viability of fresh and frozen-thawed biopsied and intac...
The protozoan parasite Toxoplasma gondii is the causative agent of the zoonosis toxoplasmosis. In sheep and goats, it is one of the most prevalent causes of infectious abortion. Also in pregnant women, a primary ...
A modified Limulus amebocyte lysate (LAL) cow-side test was evaluated under field conditions. The principle of the test is to visualize reactions between test components and endotoxin from the cell wall of Gra...
Twentythree dairy cows were fed rations with different proportions of energy and digestible crude protein (DCP). When the ration was balanced for energy and DCP according to Swedish standard the cows’ milk ure...
The localization of aromatase, an enzyme converting androgens to estrogen, in the ovaries of superovulated cattle, pigs and sheep was studied immunocytochemically in the preovulatory and postovulatory period u...
The influence of phytoestrogens was studied in 3 ovariectomized Swedish Friesian heifers fed 20 kg of 100% red clover silage per heifer/day for 14 days. Behaviour, reproductive organs and pituitary response to...
Forty-seven piglets were inoculated with doses of 100 to 50,000 sporulated oocysts of Isospora suis. After 5-7 days oocysts were found in faeces. The patent period extended from 8 to 16 days. The shedding of oocy...
Field trials were carried out testing a new genetically engineered vaccine against Progressive Atrophic Rhinitis. The vaccine contained a non-toxic recombinant derivative of the P. multocida toxin. The experiment...
Altogether 323 pooled samples of neck skins from 1615 broilers from 2 processing plants (A and B) were examined for the presence of Listeria species. The broilers were sampled pre-chilling–after leaving the final...
To investigate the effect of growth factors on pre-implantation development, bovine zygotes, produced by in vitro fertilization (IVF) of in vitro-matured (IVM) oocytes, were cultured in a serum-free medium to ...
Eight normal male Beagle dogs received 0.7 mmol Na+/kg/day for 5 weeks and 4.0 mmol Na+/kg/day in one 3 week control period preceding and another similar period following the low sodium period. The dogs received ...
Studies were carried out on the predilection sites of Trichinella spiralis muscle larvae in experimentally infected arctic foxes (Alopex lagopus) and silver foxes (Vulpes vulpes) reared in cages. The highest numb...
The purpose of the present study was to make the first survey of the distribution of feline AB blood types in the Copenhagen area of Denmark. A total of 244 cats (139 purebred cats and 105 Domestic Shorthair c...
Femoral neck angles were measured radiographically in 41 dogs examined for hip dysplasia. Steep femoral neck inclination was found to be a phenomenon of hip dysplasia and coxofemoral joint laxity. The altered ...
Antimicrobial agents are usually administered to cattle intramuscularly (im). After im injections, tissue damage at the injection sites may occur. This may be caused by the vehicle, the active ingredient, or b...
During december 1992 a moose cow with severely incoordinated and atactic movements was observed at several occasions in an area 20 km north of Uppsala. She was followed by a calf with normal movements and appe...
The aim of this study was to evaluate a simple method of monitoring an inflammatory process based on the reaction of normal whole blood to plasma from animals suffering from an induced acute inflammation. Ther...
Ovarian follicular dynamics and embryo yield were studied during 2 different FSH regimens for superovulation of cattle. Twenty heifers were given intramuscular injections of FSH (total of 35 mg NIH) either onc...
In a Swedish sheep flock comprising 202 ewes and 13 rams, a pair of twin lambs born in the spring of 1990 demonstrated signs of border disease (BD) and were persistently infected (PI) with border disease virus...
Six Swedish Red and White dairy cows, producing 20-39 kg of 4% fat-corrected milk were given a ration balanced in energy and protein. They had access to feed from 05.15 to 09.00 and from 13.00 to 16.30 and wer...
Eleven herds with clinical laminitis problems and 11 control herds were studied for 2 consecutive years. All the claws were trimmed and photographically recorded once each year, 2 to 6 months after the cows ha...
Salmonella Livingstone is occasionaly isolated from humans, animals and feedstuffs in Sweden. To follow the spread of infection and trace the source of isolates, adequate typing methods are needed. We have develo...
Membrane alterations in bull spermatozoa after freezing and thawing and after the process of in vitro capacitation and fertilization were studied by scanning electron microscopy (SEM) and transmission electron...
Altogether 496 samples of meat, lymph nodes, process water and swabs from different places in the abattoir were examined for the presence of Listeria spp. L. monocytogenes was isolated from 31 (6%) and other List...
A total of 40 turbot (Scophthalmus maximus) were immunized 3 times during a 3 months period using DNP-HSA whereafter serum samples were collected and pooled. Specific immunoglobulins (Ig) were affinity purified o...
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