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[problems in the use of radioactively marked bacteria in animal experiments. 1. labeling of pasteurella multocida, pasteurella haemolytica and salmonella dublin with eh, 14c, 32p, 59fe, 99mtc, 125j1].several methods are suggested by which to use the radionuclides 3h, 14c, 32p, 59fe, 99mtc, and 125j for labelling or doublelabelling of pasteurella multocida, pasteurella haemolytica, and salmonella dublin, with particular reference being made to labelling ofr animal experiments. suitable radioactive substrates for internal labelling in chemically defined or partially defined nutritive media include 3h-thymin, 3h-thymidine, 14c-glucose, 14c-mannose, 14c-aspartic acid, as well as 3h-uracil, 3h-ur ...1977849104
pasteurella haemolytica infection in two neonatal foals. 1977869809
demonstration of cross-protection between pasteurella multocida type a and pasteurella haemolytica, serotype 1.mice immunized with the potassium thiocyanate extract of pasteurella haemolytica, serotype 1, were found to resist a challenge infection of p. multocida type a, thus demonstrating cross-protection. this finding was further supported by the finding that an antiserum directed against the potassium thiocyanate extract of p. haemolytica was bactericidal to p. multocida and vice versa.1977591058
[chemically defined and partially defined media for pasteurella multocida and pateurella hemolytica].two culturing recipes were suggested for pasteurella multocida and pasteurella haemolytica, one partialy defined nutritive defined nutritive medium with 0.5 per cent yeast extract and one chemically defined medium. both had been composed on the basis of studies into nutrient demand and into the effects of complex nutritive substrates. both nutritive media are applicable also to culturing other bacterial species. (among the strains tested so far were streptococci, staphylococci, escherichia coli, ...1977322633
incidence of pasteurella haemolytica in the respiratory tract of apparently healthy chickens and chickens with infectious bronchitis. characterisation of 213 strains.the tracheal flora of healthy chickens consisted mainly of gram-positive microorganisms. a shift to a predominantly gram-negative flora, mainly due to escherichia, was observed in chickens with respiratory symptoms caused by infectious bronchitis. most of the chickens in which e. coli formed a predominant part of the tracheal flora also showed a positive serological reaction to mycoplasma gallisepticum. a raised incidence of pasteurella haemolytica with increase in age was noted both with regard ...197718770338
nonspecific immunosuppression induced in mice with killed pasteurella haemolytica in freund's complete adjuvant.killed pasteurella haemolytica type i in combination with freund's complete adjuvant, induced suppression of murine primary response to srbc. the suppression could be adoptively transferred with spleen cells depleted of t or b lymphocytes and was best expressed when viable cells were transferred. some normal rabbit serum has the ability to nullify immunosuppressive effects of the transferred cells.1976773844
[biochemical properties of different serotypes of pasteurella haemolytica].studied were the morphologic and biochemic properties of 85 pasteurella haemolytica strains belonging to the known 12 serotypes after biberstein, gills (2). the biochemical properties of the strains were studied after the pattern of bosworth and lovell (4) with regard to arabinose, trehalose, xylose, manose, salysin, and lactose. it was found that the biochemical properties correlated with the biotype classification of the strains. thus, the biochemical reaction with trehalose and arabinose may ...1976960554
the effect of route of immunization on the lapine immune response to killed pasteurella haemolytica and the influence of aerosol challenge with the live organism.appearance of anti-pasteurella haemolytica antibody in the serum and broncho-alveolar washings of rabbits is independent of the route of immunization and is similar in both locations. the most influential factor in development of a humoral response is exposure to live p. haemolytica and prior exposure to the killed bacterium has no significant effect upon titre determined following aerosol challenge with live organisms.19761000399
multiple drug resistance in pasteurella multocida and pasteurella haemolytica from cattle and swine.the results of antimicrobial susceptibility testing on 262 strains of pasteurella multocida and 141 strains of pasteurella haemolytica isolated from cattle and swine from 1971 to 1974 were analyzed for patterns of resistance to streptomycin, penicillin, tetracycline, and chloramphenicol, using a modified kirby-bauer procedure. resistance was recorded for 80.5% of the isolants of p multocida and 92.2% of those of p haemolytica. resistance to streptomycin was most frequent, followed by resistance ...19761048955
experimental infection of lambs with an aerosol of pasteurella haemolytica.specific pathogen free lambs were exposed to an aerosol of pasteurella haemolytica. ten lambs vaccinated with an adjuvanted killed p haemolytica vaccine and nine units of p haemolytica administered in an aerosol. pneumonia histologically indistinguishable from natural pneumonic pasteurellosis occurred in one vaccinated lamb and in four control lambs.19751144931
protein electrophoretic pattern of pasteurella haemolytica.electrophoresis in polyacrylamide gels of the constituent proteins of the 12 serotypes and an untypable strain of pasteurella haemolytica showed a pattern of bands that divided the group into two. this division conformed to the a and t biotype groupings of smith (1959) although the serotype a9 showed only minor band difference from the three t serotypes 3, 4 and 10. it was not possible by this method to separate all the type strains from each other by the specific recognition of the patterns of ...19751144932
[serologic typing of strains of pasteurella haemolytica isolated from sheep].typed were a total of 85 strains of pasteurella haemolytica isolated from lambs, weaned lambs, and adult sheep in cases of septicemia and broncho-pneumonia applying the hemagglutination-inhibition reaction and making use of capsule antigens and anti-capsule hyperimmune sera. it was found that 74 strains belong to biotype a, five belong to biotype t, and six remained untyped. most wide spread in this country proved serotype a2--35 strains, followed by serotype a6--14 strains.19751226701
[nitrofurantoin-test for the differentiation of bordetella bronchiseptica (author's transl)].bordetella bronchiseptica is primarily resistant against nitrofurantoin (mic greater than 200 mug/ml), and this feature can be used for the differentiation of the organism from other gram-negative coccobacteria. nitrofurantoin paper disks (300 mug) failed to affect the growth of 150 strains of b. bronchiseptica isolated from different animal hosts, but they produced marked inhibition zones in the cultures of the followingspecies: pasteurella multocida, pasteurella pneumotropica, pasteurella haem ...1975809944
pasteurella haemolytica associated with pneumonia in a foal. a case report. 19744414992
the recovery of pasteurella haemolytica from the tonsils of adult sheep. 19744445591
serological types of pasteurella haemolytica isolates from sheep and goats in the somali democratic republic. 19744460316
an epidemiological study of pasteurella haemolytica in calves. 19734731569
the pulmonary clearance of bacteria by calves and mice.using a modified aerosol generator, white mice and calves were exposed to aerosols of viable staphylococcus aureus and pasteurella haemolytica and the clearance of the inhaled organisms by the lungs of the experimental animals was measured. fifty-seven percent of inhaled s. aureus were cleared in two hours by the mouse lungs, 79% were cleared in four hours and 93% were cleared in eight hours. fifty-six percent of inhaled p. haemolytica were cleared in two hours by the mouse lungs, 76% were clear ...19724259926
variation in carrier rates of pasteurella haemolytica in sheep. ii. diseased flocks. 19725062917
isolation of pasteurella haemolytica from arthritis in a calf. 19715173678
experimental pneumonia of sheep. clinical, microbiological and pathological responses to infection with myxovirus parainfluenzae 3 and pasteurella haemolytica. 19714327651
pasteurella haemolytica of cattle: serotype, production of beta-galactosidase and antibacterial sensitivity.two hundred and three isolates of pasteurella haemolytica from cattle were studied. they originated from the nasal cavity of cattle in housed herds; the nasal cavity and pneumonic lungs of experimental feedlot calves and from pneumonic bovine lungs submitted for bacteriological diagnosis.to determine whether a single characteristic or combination of characteristics might be a feature of isolates collected from animals with pneumonic pasteurellosis (shipping fever), the following tests were made. ...19714260945
wide distribution of pasteurella haemolytica type 1 over the nasal mucosa of cattle.studies on the site of proliferation of pasteurella haemolytica in the bovine nasal cavity have been carried out.p.haemolytica were isolated from 15 selected major anatomical areas of the nasal cavity in calves with high numbers of p.haemolytica following shipment from western canada. when the organisms were present in the nasal cavity of live animals in low numbers, they were isolated from many, but not all, areas. p.haemolytica was isolated post mortem from one or more selected areas of severa ...19714254890
regional histological variations of the nasal mucosa of cattle.aspects of the histology of the nasal mucosa of calves from four to six months of age have been described. the functional significance of the type of epithelium, its thickness, the degree of neutrophil invasion, and its relationship to the numbers of pasteurella haemolytica in the nasal cavity have been discussed. in addition, the arrangement and depth of glands in the lamina propria and the presence of lymph follicles have been described.19714254895
pasteurella haemolytica in the tracheal air of calves.pasteurella haemolytica was shown to be present in the tracheal air of calves and was likely transported in droplet nuclei formed in the nasal passages. the number of colonies of p. haemolytica found in the tracheal air of the calves ranged from 1.9 to 12.5 colonies per cu ft of air. as long as p. haemolytica colonized the nasal passage in numbers detectable in nasal swabs it could be found in the tracheal air but there was no direct correlation between the numbers in the nasal flora and the num ...19714253460
serotypes of pasteurella haemolytica isolated from calves. 19715145206
chemically defined media for pasteurella multocida and pasteurella ureae, and a comparison of their thiamine requirements with those of pasteurella haemolytica. 19704249479
the incidence and trends of parainfluenza 3, bovine viral diarrhoea, and pasteurella haemolytica antibody titers in the serum of young cattle in the netherlands. 19704325594
biochemical reactions of different serotypes of pasteurella haemolytica. 19705452466
studies on the carriage of pasteurella haemolytica in lambs. 19705461441
the immunogenicity of some experimental parainfluenza 3-bvd-pasteurella haemolytica vaccines in calves and mice. 19705516858
an outbreak of highly fatal pneumonia in kids due to pasteurella haemolytica. 19705530303
a study of untypable strains of pasteurella haemolytica. 19705531123
variation in carrier rates of pasteurella haemolytica in sheep flocks. i. normal flocks. 19705531124
[comparative study of species actinobacillus lignieresii and pasteurella haemolytica. ii. pasteurella haemolytica newsom and cross, 1932]. 19695379829
[comparative study of the species actinobacillus lignieresii and pasteurella haemolytica. 3. actinobacillus haemolyticus]. 19695379830
[enzootic in chicken due to pasteurella haemolytica]. 19695813307
[development and testing of a combined vaccine against parainfluenza 3, mucosal disease and pasteurella haemolytica infection in cattle]. 19694309171
[comparative study of species actinobacillus lignieresii and pasteurella haemolytica. i. actinobacillus lignieresii brumpt, 1910; emend]. 19695386533
nucleic acid homologies between the a and t types of pasteurella haemolytica. 19685748361
characterization of pasteurella hemolytica isolated from the respiratory tract of cattle.morphological, cultural, biochemical, and serological characteristics of 43 strains of pasteurella hemolytica isolated from the respiratory tract of cattle, including 37 that had shipping fever, were determined. with one exception, all strains satisfied the major criteria for differentiation of the species from p. multocida - hemolysis on blood agar, absence of indole production, and growth on macconkey's agar. many strain variations in fermentative capacity were noted, although other biochemica ...196815846901
pasteurellosis in kenya goats due to pasteurella haemolytica. 19675624115
experimental infection of calves with myxovirus parainfluenza-3 and pasteurella haemolytica. 19674294767
epidemiological studies on pasteurella haemolytica in sheep. 19665948538
cultivation of pasteurella haemolytica in a chemically defined medium.a chemically defined medium was developed for the aerobic cultivation of pasteurella haemolytica. studies on the growth of strain h44l were conducted in a medium consisting of 15 amino acids, inorganic salts, citrate, nicotinamide, pantothenate, thiamine or thiamine monophosphate, and carbon sources. the amino acids were provided as l isomers, because racemic mixtures of some amino acids inhibited growth. the carbon source consisted of a mixture of 1.0% d-galactose and 0.1% d-glucose. culture po ...19665955799
type specificity of immunity to pasteurella haemolytica infection in mice. 19655855502
[camp test and rapid differentiation between pasteurella multocida and pasteurella haemolytica]. 196514289975
cultivation of pasteurella haemolytica in a casein hydrolysate medium.the growth of pasteurella haemolytica strain h44l was studied under aerobic conditions in a medium of acid-hydrolyzed casein, supplementary cysteine, inorganic salts, vitamins, and a carbon source. the concentration of casein hydrolysate necessary for optimal growth was 1.5 or 2.0%, depending upon the carbon source employed. essential vitamins were calcium pantothenate, nicotinamide, and thiamine. concentrations as low as 0.01 mug/ml of thiamine monophosphate or thiamine pyrophosphate supported ...196516349657
interrelationships of smooth and nonsmooth variants in the dissociation of pasteurella haemolytica.wessman, g. e. (national animal disease laboratory, u.s. department of agriculture, agricultural research service, ames, iowa). interrelationships of smooth and nonsmooth variants in the dissociation of pasteurella haemolytica. j. bacteriol. 88:356-360. 1964.-smooth pasteurella haemolytica, after rapid growth in statically incubated broth cultures, decreased in numbers rapidly, and were replaced by nonsmooth variants. upon continued incubation, smooth cells again predominated. the two phenotypes ...196414203351
production of pneumonia in adult sheep with cultures of pasteurella haemolytica type-a. 196414198335
an unusual haemolytic effect produced by pasteurella haemolytica. 196213914237
the relation of the antigenic types to the a and t types of pasteurella haemolytica. 196213868944
pasteurella haemolytica var. ureae from human sputum.a new variety of pasteurella, named by henriksen and jyssum (1960, 1961) past. haemolytica var. ureae, has been isolated from the sputum of 17 patients, most of them elderly, suffering from chronic bronchitis or bronchiectasis. it has also been found in the normal respiratory tract. whether the organism aggravates the disease or acts as a mere commensal when growing in the damaged tissue is not yet clear.196214452237
pasteurella haemolytica var. ureae. action on blood agar and serological reactions. 196113906523
two new strains of pasteurella haemolytica var. ureae isolated from the respiratory tract. 196114481991
a strain of pasteurella haemolytica isolated from goats in uganda. 196013828612
the pathogenicity of pasteurella haemolytica for young lambs. 196013831974
a new variety of pasteurella haemolytica from the human respiratory tract. 196013713397
the production in mice of active immunity against pasteurella haemolytica. 195913620796
isolation of two types of pasteurella haemolytica from sheep. 195913657030
[biochemical, pathogenic and immunological properties of strains of pasteurella multocida and pasteurella haemolytica]. 195813585405
experimental infections of pasteurella haemolytica in mice and their use in demonstrating passive immunity. 195813587712
colonial variation of pasteurella haemolytica isolated from sheep. 195813587486
a serological study of pasteurella haemolytica. 195613364743
studies on pneumnia of cattle. i. experimental infection of calves with pasteurella haemolytica. 195617648917
bovine mastitis caused by pasteurella haemolytica: a case report. 195517648849
pasteurella haemolytica septicaemia of lambs. 195514367572
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