| [milk chloride level as an indicator of bovine mastitis]. | the aim of this study was to determine an influence of udder infection on milk chloride level and on milk productivity of cows of black and white race. bacteriological analysis was performed by bacterial isolation from milk collected in sterile conditions from single lobes of mammary gland. the study was aimed to detect the following bacteria: streptococcus agalactiae, streptococcus uberis, streptococcus agalactiae, staphylococcus aureus, staphylococcus epidermidis, actinomyces pyogenes, enterob ... | 1990 | 2084451 |
| immunoperoxidase evaluation of the relationship between necrotic lesions and causative bacteria in lungs of calves with naturally acquired pneumonia. | an immunoperoxidase technique was used to study the relationship between the necrotic lesions and causative bacteria found in lungs of 53 calves that had naturally acquired pneumonia. four types of necrotic lesions were identified on the basis of morphologic characteristics as follows: type 1 had coagulation necrosis surrounded by a dense zone of numerous degenerated leukocytes; type 2 was similar to type 1, but the central area of the lesions was severely affected, had no alveolar architecture ... | 1990 | 2085224 |
| survey of actinobacillus (haemophilus) pleuropneumoniae infection in swine by different methods. | lung and serum samples from pigs that died or were emergency-slaughtered in a pooled, conventional fattening herd were examined to survey actinobacillus pleuro-pneumoniae infection and to compare the sensitivity of different testing methods. a total of 110 lungs were used for cultural isolation of the agent and direct immunofluorescence (if) of impression smears. boiled lung suspensions were tested by coagglutination (co-a) and agar gel precipitation (agp). eighty-seven sera were tested along wi ... | 1990 | 2099609 |
| [the possible pathogenic factors of actinomyces pyogenes. a review]. | actinomyces pyogenes, an important pathogen of the bovine udder, was mainly characterized by production of the enzymes protease and neuraminidase. both enzymes could be isolated and further analyzed. in addition a. pyogenes demonstrated lectin-like surface structures which caused hemagglutination reactions of neuraminidase treated erythrocytes. further surface antigens of a. pyogenes which characteristically cross reacted with antisera against group polysaccharide antigens of streptococci of ser ... | 1990 | 2184803 |
| use of a uterine pessary to prevent infection of the uterus of the cow after parturition. | a uterine pessary containing penicillin, streptomycin, formosulphathiazole and ethinyloestradiol, was assessed for its efficacy in reducing the frequency and severity of uterine infections in cows after parturition. fifteen pluriparous holstein friesian cows had pessaries inserted into the uterus within 24 hours after calving. compared with 14 similar untreated cows there were significant reductions in the number infected by actinomyces pyogenes and in the number exhibiting abnormal uterine disc ... | 1990 | 2219640 |
| epidemiologic features of an intracranial abscessation/suppurative meningoencephalitis complex in white-tailed deer. | case records of 683 white-tailed deer (odocoileus virginianus) submitted to the southeastern cooperative wildlife disease study (georgia, usa) for diagnostic purposes from 1971 to 1989 were reviewed for the occurrence of pyogenic infections of the central nervous system, specifically intracranial abscessation or suppurative meningoencephalitis. these conditions, either alone or in combination, were diagnosed in 24 of 683 (4%) deer. thirteen genera of bacteria were isolated; the most frequent spe ... | 1990 | 2250322 |
| characterization of haptoglobin-binding properties of streptococci of serological group g. | two group g streptococcal cultures (g 10187, g 11122) with surface antigen t4 possess surface receptors for human haptoglobin (hp). g 10187 additionally interacted with immunoglobulin g and albumin, g 11122 with fibrinogen and fibronectin. binding of 125i-hp 2-1 was time-dependent, saturable, reversible in the presence of unlabelled hp and could be inhibited by unlabelled human-hp 2-1, -hp 2-2, -hp 1-1, hp-hemoglobin complexes and by hp preparations from pigs, horses and rabbits. the hp binding ... | 1990 | 2261066 |
| failure of an actinomyces pyogenes vaccine to protect sheep against an intravenous challenge. | the immunity conferred by an a. pyogenes bacterin-toxoid was evaluated in sheep, using an intravenous challenge system. three sheep were vaccinated and 3 served as controls. the vaccinated sheep were not protected against pyogenic conditions. high antitoxin levels were induced by vaccination but could not be associated with protection against infection. antibacterial antibody levels elicited with initial vaccination dropped progressively with the 2nd and 3rd vaccinations. nevertheless, these ant ... | 1990 | 2293133 |
| antibody response in the bovine genital tract to intrauterine infusion of actinomyces pyogenes. | antibody titres and immunoglobulin concentrations were measured in serum and in uterine and vaginal secretions from five heifers after intrauterine infusion of actinomyces pyogenes. infection stimulated an increase in uterine antibody titres of igg2 and iga, which approached significance. there was no increase in antibody titres in vaginal secretions or in serum. for each class of immunoglobulin, the ratio of specific antibody to immunoglobulin tended to increase in uterine secretions after infe ... | 1990 | 2300720 |
| streptococcus suis infection in swine. a sixteen month study. | a total of 349 isolates of streptococcus suis retrieved from different tissues from diseased pigs were examined in this study. only 48% of them could be categorized as one of serotypes 1 to 8 and 1/2. among typable isolates, serotype 2 was the most prevalent (23%), followed by serotype 3 (10%). the majority of all isolates originated from lungs, meninges/brain, and multiple tissues. forty-one percent of typable isolates and 33% of untypable isolates were retrieved in pure culture. other isolates ... | 1990 | 2306668 |
| in vitro susceptibility of selected veterinary bacterial pathogens to ciprofloxacin, enrofloxacin and norfloxacin. | the minimum inhibitory concentrations (mic) of ciprofloxacin, enrofloxacin, and norfloxacin were tested for approximately ten clinical isolates of each of actinobacillus pleuropneumoniae, actinobacillus suis, actinomyces pyogenes, corynebacterium pseudotuberculosis, erysipelothrix rhusiopathiae, haemophilus parasuis, haemophilus somnus, pasteurella haemolytica, pasteurella multocida, rhodococcus equi, streptococcus equi, streptococcus suis and streptococcus zooepidemicus. ciprofloxacin and enrof ... | 1990 | 2306672 |
| the role of hydrotaea irritans in the transmission of summer mastitis. | a series of experiments to investigate the possible role of the sheep head fly, hydrotaea irritans, in the transmission of summer mastitis is reported. these showed that the pathogens actinomyces pyogenes and peptococcus indolicus may be harboured in the gut of the fly for up to 96 h following a contaminated meal; a. pyogenes survived on the surface of the fly for a similar period. h. irritans fed on the pathogens can contaminate a subsequent meal by regurgitation. however, no infections resulte ... | 1990 | 2331592 |
| clinical, pathologic, and microbiologic findings of foot abscess in neonatal pigs. | a longitudinal study was undertaken in a swine herd with an ever-present problem of foot abscess in suckling pigs reared on a woven-wire floor. of 3,322 4-day-old pigs, 199 (6%) developed abscess lesions involving claws and accessory digits before weaning. lesions were first detected in 4-day-old pigs; median and mean ages at onset were 10 and 11.3 days, respectively. at first detection, most pigs had only a single claw affected, but 39 pigs had at least 2 claws with abscesses. hind limbs had mo ... | 1990 | 2351598 |
| [a case of disseminated intravascular coagulation (dic) in a cow with endometritis and fetal death]. | acute disseminated intravascular coagulation (dic) was diagnosed in a 3 1/2 year old cow of the simmental breed. the cow was little less than 6 months pregnant and was admitted to the clinic because of severely disturbed general health. the most important clinical findings were increased heart and breathing rate, rectal temperature of 39.9 degrees c, nosebleed and petechiae on the nasal mucosa. additionally, the cow showed petechiae on the vaginal mucosa, haemorrhage from the rectum lasting seve ... | 1990 | 2389139 |
| typing of actinomyces pyogenes by its production and susceptibility to bacteriocin-like inhibitors. | a scheme for "fingerprinting" of actinomyces pyogenes strains based on their production of (p-typing) and the sensitivity to (s-typing) bacteriocin-like substances has been developed. p-typing and s-typing of 42 a. pyogenes cultures with a set of 9 micrococcal and staphylococcal species as indicator strains and 9 streptococcal species as bacteriocin producer strains revealed 10 p types and 7 s types, respectively. the bacteriocin "fingerprinting" procedure might provide a means for subdividing a ... | 1990 | 2400533 |
| hypertrophic osteopathy in a dog with a chronic lung abscess. | a 2-year-old dog was examined because of gradual lameness of all 4 limbs and weight loss. hypertrophic osteopathy was diagnosed. radiography revealed a mass in the caudal lobe of the right lung. at necropsy, the mass was determined to be a chronic abscess. corynebacterium pyogenes was cultured from the lesion. although hypertrophic osteopathy in dogs is commonly associated with a thoracic lesion, most often neoplastic, the chronic lung abscess in this dog might have been formed as a result of a ... | 1990 | 2407705 |
| binding of alpha 2-macroglobulin and haptoglobin to actinomyces pyogenes. | all 25 cultures of actinomyces pyogenes tested in the present study bound 125i-labelled human alpha 2-macroglobulin with a mean binding of 65.6%. thirteen cultures also bound 125i-labelled human haptoglobin with a mean of 51.5%. none interacted with fibrinogen, fibronectin, immunoglobulin g, or albumin. twenty-eight cultures representing other species of actinomycetaceae did not show any interaction with alpha 2-macroglobulin, haptoglobin, and other plasma proteins tested. the binding of alpha 2 ... | 1985 | 2411371 |
| the detection of obligate anaerobic bacteria in udder secretions of dry cattle with mastitis during summer: a comparison between gas-liquid chromatography and bacteriological culturing methods. | udder secretions sampled during the summer in 1984 and 1985 from mastitic quarters of 51 non-lactating cattle, mainly heifers less than 2 years of age, were examined bacteriologically for the presence of (facultative) aerobic and obligate anaerobic bacteria (oab) and by gas-liquid chromatography (glc) in order to detect volatile fatty acids (vfa), metabolic end-products of oab. forty-nine samples yielded positive cultures and in 20 cases these were mixtures of (facultative) aerobes and oab. only ... | 1987 | 2444028 |
| association of bovine respiratory syncytial virus with atypical interstitial pneumonia in feedlot cattle. | thirty-three cattle with fatal respiratory tract disease were examined for gross and histologic lesions and for the presence of viral and bacterial agents in the lungs. fifteen cattle had lesions characteristic of atypical interstitial pneumonia (aip), and 18 had other respiratory tract diseases, including infectious bovine rhinotracheitis, shipping fever pneumonia, bronchopneumonia, pulmonary abscess, and edema of the trachea. gross necropsy findings in the cattle with aip were uncollapsed and ... | 1988 | 2458690 |
| effect of location on severity and prognosis of limb cellulitis in six cows. | six dairy cows with limb cellulitis responded differently to treatment. the location of the cellulitis on the limb seemed to influence the course, severity and prognosis of the disease, as judged by its responsiveness to therapy. cellulitis which extended from the coronet to above the carpus or hock was more severe and had a poorer prognosis than cellulitis distal to these joints. the degree of lameness exhibited by the cows indicated the severity and extent of the underlying cellulitis. | 1989 | 2477939 |
| [the most frequent infectious causes of abortion in sheep in north bavaria with special reference to chlamydia and salmonella infections]. | between 1980 and 1987 1153 ovine fetuses and placentas were examined after abortion. in 68.5% of the cases a cause of abortion could be diagnosed as follows: 43.5% chlamydia psittaci var. ovis, 10.7% salmonella abortus ovis, 3.7% coxiella burnetii, 3.3% listeria monocytogenes and 0.4% campylobacter fetus intestinalis. hemolyzing escherichia coli and streptococci, yersinia pseudotuberculosis, salmonella typhimurium, salmonella enteritidis, corynebacterium pyogenes and other facultative pathogens ... | 1989 | 2503908 |
| studies on microaerophilic cocci (stuart-schwan cocci) isolated from summer mastitis and other pyogenic infections of cattle. | forty-nine strains of microaerophilic gram-positive cocci (stuart-schwan cocci) isolated from summer mastitis, "pyogenes"-mastitis, other pyogenic conditions of danish cattle and swine, and from the sheep headfly hydrotaea irritans were biochemically characterized with the api 50 ch and api zym test kit systems, and screened for production of a variety of extracellular enzymes by agar plate methods. for comparison 4 strains isolated from swedish cases of heifer and dry cow mastitis were included ... | 1989 | 2596384 |
| [neutrophil defense against bovine uterine infections]. | the killing ability of bovine peripheral blood neutrophils did not vary during the oestrous cycle. administration of sex steroids to ovariectomised cows reduced the intrinsic killing ability of neutrophils but enhanced the opsonising ability of serum. exudate from experimental uterine infection with corynebacterium pyogenes and fusobacterium necrophorum impaired neutrophil function, probably as a result of the action of bacterial leucotoxins. | 1989 | 2655163 |
| enhancement of the infectivity of fusobacterium necrophorum by other bacteria. | necrobacillosis is caused by fusobacterium necrophorum (fn), but other organisms are often present in the lesions. their possible role was studied in experiments made with a virulent fn strain which, by itself, produced fatal necrobacillosis in mice provided that large doses (greater than 10(6) organisms, subcutaneously) were given. mice were inoculated subcutaneously with fn suspended in sub-lethal doses (0.1 ml) of undiluted or diluted broth cultures of other bacteria. undiluted culture of a s ... | 1989 | 2661253 |
| effect of freezing on bacteriologic culturing of mastitis milk samples. | the objective was to determine the effect of freezing and length of freezing in a commercial freezer on the qualitative results of bacteriologic culturing of milk collected from glands of cows with clinical or subclinical intramammary infections. a total of 182 milk samples from cows with clinical mastitis and 55 milk samples of cows with subclinical mastitis were taken from four problem herds. samples were split into four equal sub-samples. three of these were frozen immediately at -20 degrees ... | 1989 | 2674231 |
| cause, occurrence, and clinical signs of mastitis and anorexia in cows in a wisconsin study. | microbiologic culture revealed the following cause of mastitis and anorexia in 145 cows in wisconsin to be escherichia coli, 66 cows; klebsiella spp, 3; corynebacterium pyogenes, 27; streptococci, 21; staphylococci, 20; yeasts, 1; and no bacterial growth, 7. mastitis was detected with approximately equal frequency throughout the year. escherichia coli was isolated throughout the year, but was more common and was the predominant organism during the summer. corynebacterium pyogenes was isolated mo ... | 1989 | 2681108 |
| isolation and characterization of an extracellular protease of actinomyces pyogenes. | an extracellular protease from actinomyces pyogenes atcc 19411 could be isolated by ion exchange chromatography with deae cellulose and high performance gel filtration (fplc) on superose 12 prep grade. the purified enzyme had a relative molecular mass of approximately 37,000 dalton, a ph optimum at 7.5, a temperature optimum at 50 degrees c, and a km value of 2.2 mg/ml with azocasein as substrate. the enzyme activity was clearly inhibited by pmsf, edta, the metal ion zn++ and only weakly by cd++ ... | 1989 | 2684205 |
| renal medullary amyloidosis in dorcas gazelles. | between january 1976 and september 1987 renal medullary amyloidosis (rma) was diagnosed in 17 dorcas gazelles; the necropsy prevalence rate was 17/32 (53%). the most severe amyloid deposits were in the renal medulla; glomeruli were spared. renal cortical lesions of interstitial fibrosis and tubular atrophy and dilatation significantly correlated with rma (p less than 0.01) and were considered to be secondary changes. there were varying degrees of lymphoplasmacytic inflammation and tubular cast f ... | 1989 | 2711570 |
| in vitro function of bovine neutrophils against actinomyces pyogenes. | factors that influenced the in vitro bactericidal activity of bovine neutrophils against actinomyces pyogenes were investigated. neutrophils and serum from 2 clinically normal donor cows were incubated with bacteria for 2 hours. to determine bactericidal activity, colony-forming units were counted after a 48-hour incubation on blood agar plates. microscopic examination indicated that in the presence of serum, bacteria were cell associated after incubation, whereas when serum was replaced by medi ... | 1989 | 2712412 |
| infection following challenge of the lactating and dry udder of dairy cows with actinomyces pyogenes and peptostreptococcus indolicus. | challenge of 12 mammary glands of cows in mid-lactation with 10(7) colony forming units (cfu) of peptostreptococcus indolicus on two occasions led to clinical mastitis in only four quarters. the bacteria were rarely recovered and disappeared from the secretion within 14 days. in challenges 7 days prior to drying off eight of 12 quarters became infected and at drying off all quarters challenged became infected. the infections established at drying off persisted well into the dry period. p. indoli ... | 1989 | 2713635 |
| immunohistochemical localization of immunoglobulins in bovine granulomatous lesions. | the immunohistochemical distribution of igg, iga and igm in granulomatous lesions caused by actinomyces bovis, actinobacillus lignieresi, actinomyces (corynebacterium) pyogenes, pseudomonas aeruginosa, staphylococcus aureus and mycobacterium bovis was studied. numerous igg-containing cells (plasma cells) were distributed in the peripheral connective tissue layers, but not in the epithelioid cell layer. a few scattered iga- and igm-containing cells were found in all the lesions examined. mycobact ... | 1989 | 2715395 |
| [bacteriological findings in samples of milk from cows studied for the causative agent of mastitis]. | milk samples (483,413 on the whole), collected from 237,026 cows, were investigated in the state veterinary institute at pardubice in the period from 1983 to 1987. in the individual years, the proportion of cows whose milk contained the mastitis-inducing bacteria ranged from 18.0 to 24.8%, the average being 21.0%. streptococcus agalactiae was identified most frequently as the causative agent of mastitis in the examined cows (6.4%); then followed streptococcus dysgalactiae (3.7%), staphylococcus ... | 1989 | 2728263 |
| fusobacterium necrophorum and actinomyces pyogenes associated facial and mandibular abscesses in blue duiker. | anaerobic and aerobic cultures of facial and mandibular abscesses were made from 12 blue duiker (cephalophus monticola fusicolor) housed at the deer and duiker research facility of the pennsylvania state university (usa). increases in concentrations of total protein and serum globulin occurred in all cases. actinomyces pyogenes was isolated from nine animals. fusobacterium necrophorum was present in eight and bacteroides sp. was found in seven animals; other genera of isolated bacteria included: ... | 1989 | 2761010 |
| characterization of extracellular neuraminidase produced by actinomyces pyogenes. | extracellular neuraminidase from actinomyces pyogenes could be isolated by ammonium sulfate precipitation, ion exchange chromatography with deae cellulose and gel filtration on ultrogel aca 54. the purified enzyme had a molecular weight of approximately 50,000 dalton, a ph optimum at ph 6.0, a temperature optimum at 55 degrees c and a km value of 1.4 x 10(-4) mol/l with n-acetyl-neuraminlactose as substrate. preparative isoelectric focussing of the culture supernatant revealed neuraminidase acti ... | 1989 | 2765089 |
| specific antibody in milk whey and phagocytosis of actinomyces pyogenes by neutrophils in vitro. | milk samples were collected from 21 non-pregnant cows to study the ability of milk whey to support in vitro bactericidal activity of neutrophils against actinomyces pyogenes. significant differences (p less than 0.01) existed in opsonising ability of milk whey samples from individual cows. antibody titres to a pyogenes in milk whey were determined using an enzyme linked immunosorbent assay. bactericidal activity of neutrophils incubated with milk whey was positively correlated (p less than 0.05) ... | 1989 | 2799083 |
| [the treatment of actinomyces pyogenes endometritis by intrauterine gentaseptin administration]. | 10 cows suffering from bacteriological proved a. pyogenes-endometritis have been treated by a single intrauterine infusion of gentaseptin. all animals were cured. clinical findings were confirmed by bacteriological tests. all animals conceived at the first insemination after treatment. the intrauterine application of gentaseptin seems to be a very efficient treatment of a. pyogenes-endometritis as compared to hitherto existing treatments. | 1989 | 2814425 |
| microbial pathogens from goat mastitis and phage-typing of staphylococcus aureus isolates. | examination of milk from goats yielded 41 strains from 40 clinically affected halves; 15 were staphylococcus aureus, 6 staph. epidermis, 1 streptococcus agalactiae, 2 strept. dysgalactiae, 5 strept. uberis, 2 corynebacterium pyogenes, 3 escherichia coli, 3 pasteurella spp. and 4 mycoplasma spp. one half had dual infection of staph. aureus and strept. dysgalactiae. twenty two of the 297 milk samples from apparently normal halves also harboured pathogens comprising of 9 staph. aureus, 1 strept. ag ... | 1986 | 2945693 |
| identification of actinomyces (corynebacterium) pyogenes with the api 20 strep system. | a total of 62 strains of actinomyces pyogenes (previously corynebacterium pyogenes) were examined by the api 20 strep system (api system, la balme les grottes, montalieu-vercieu, france). the system was shown to be reliable and rapid when the tests were compared with standard identification methods. no confusion occurred with streptococcal profiles in the current api 20 strep data base. | 1988 | 3053779 |
| summer mastitis: transmission by blood feeding flies. | | 1988 | 3057716 |
| summer mastitis. | | 1988 | 3059664 |
| mutanolysin-induced lysis of actinomyces pyogenes determined by aggregometry. | the lytic activity of mutanolysin from streptomyces globisporus on 42 cultures of actinomyces pyogenes could be effectively analyzed in an aggregometer. it was expressed as increase of transmittance at 546 nm after 20 min and 2 h at 37 degrees c. the a. pyogenes cultures revealed no uniform lysis pattern. most of the cultures were lyzed within 20 to 40 min at 37 degrees c, others were lyzed only moderately or weakly within 2 h of incubation. the lytic activity was optimal at low (0.01 mol/l) mol ... | 1988 | 3066068 |
| identification of brucella abortus in formalin-fixed, paraffin-embedded tissues of cows, goats, and mice with an avidin-biotin-peroxidase complex immunoenzymatic staining technique. | an avidin-biotin-peroxidase complex immunoenzymatic staining technique was evaluated for light microscopic detection of brucella organisms in formalin-fixed, paraffin-embedded tissues. tissues from cows, goats, and mice inoculated with b abortus strain 2308 were examined, using rabbit antiserum to brucella cell surface protein as primary antibody. stained organisms were identified histologically in tissue sections containing b abortus, as detected by bacteriologic examination of duplicate nonpro ... | 1986 | 3096172 |
| comparative studies on actinomyces pyogenes and arcanobacterium haemolyticum. | actinomyces pyogenes and arcanobacterium haemolyticum were further characterized. a. haemolyticum, in contrast to a. pyogenes, gave synergistic hemolytic reactions with streptococci of serological group b and inhibited staphylococcal beta-hemolysis. a. pyogenes and a. haemolyticum had a number of common, as well as distinctly different enzymatic properties, useful for their characterization. extracts from a. pyogenes reacted with antiserum against streptococci of serological group g in contrast ... | 1988 | 3129637 |
| actinomyces pyogenes bacteraemia in a patient with carcinoma of the colon. | a patient with carcinoma of the colon adherent to the pelvis developed actinomyces pyogenes bacteraemia after uterine curettage but recovered with antibiotic treatment. this organism is a gram-positive cocco-bacillus, beta-haemolytic when growing on blood agar and reactive with lancefield group g antiserum. these features could easily lead to its misidentification as a streptococcus. reports of human infection with a. pyogenes are summarised. | 1988 | 3216133 |
| haematogenous osteomyelitis in cattle. | the examination of 70 cattle with haematogenous osteomyelitis resulted in the classification of the bone lesions into two main groups: the physeal type, in which an infection, usually of metaphyseal bone, originated at or near the growth plate, usually in the distal metacarpus, metatarsus, radius or tibia, and the epiphyseal type, in which an infection originated near the junction of the subchondral bone and the immature epiphyseal joint cartilage, most often in the distal femoral condyle epiphy ... | 1987 | 3300011 |
| rationale for treatment of endometritis in the dairy cow. | endometritis is an inflammation of the uterine lining that is commonly initiated at parturition. the degree of its effect on fertility varies with the severity of the inflammation, the time required for resolution of endometrial lesions, and the extent of permanent changes that impair endometrial gland functions and/or alter the uterine and/or oviductal environment. the primary nonspecific organisms associated with endometrial pathology are corynebacterium pyogenes and the gram-negative anaerobe ... | 1987 | 3319086 |
| corynebacterium pyogenes mastitis outbreak in inbred heifers in a california dairy. | an outbreak of corynebacterium pyogenes mastitis ("summer mastitis") was observed in a group of 96 heifers. the outbreak affected 8 animals, of which 7 were too young for breeding. the disease incidence was highest in calves 2 to 4 months old. cases were observed over an initial estimated 14 day period with a further case being detected 14 days subsequently. corynebacterium pyogenes mastitis has not been reported in calves this age. factors postulated to influence the outbreak include the presen ... | 1987 | 3328670 |
| evoked potential and electroencephalographic assessment of central blindness due to brain abscesses in a steer. | central blindness in a 3.5-year-old crossbred steer was evaluated by electrodiagnostic techniques. when admitted the steer was depressed, head pressed, and circled to the left. ptosis and absence of menace response were seen with the right eye, while the left eye was normal; direct and consensual pupillary light responses were normal in both eyes. brainstem auditory evoked potentials and electroretinograms were essentially normal. the flash visual evoked potential (vep) was greatly reduced upon ... | 1987 | 3328671 |
| bacteriologic and histologic studies of hepatic abscesses in cattle. | twenty-eight abscessed livers were collected from feedlot cattle at an abattoir; specimens were obtained from 49 abscesses for bacteriologic culture and for histologic examination. cultural procedures included techniques to enumerate and isolate facultative and obligate anaerobic bacteria. anaerobic bacteria were isolated from all 49 abscesses, whereas facultative bacteria were isolated from only 22. mean bacterial counts for anaerobic and facultative bacteria were 3 x 10(8) and 8 x 10(8) bacter ... | 1988 | 3354968 |
| serological recognition of actinomyces pyogenes and arcanobacterium haemolyticum in serum soft agar. | | 1988 | 3381600 |
| multicentric papillary cystadenoma in the udder of a cow. | a mammary gland neoplasm was identified at necropsy in a 9-year-old ovariectomized holstein cow with a 1-year history of an enlarged left hindquarter. a sterile serous secretion was expressed from the quarter. the cow developed corynebacterium pyogenes infection in the quarter one year later and died of secondary complications. the left hindquarter was found to contain multiple cysts. the histologic diagnosis was multicentric papillary cystadenoma. | 1988 | 3391855 |
| septic arthritis and osteomyelitis in a bovine digit: a mixed infection of actinomyces pyogenes and fusobacterium necrophorum. | a 4-year-old beefmaster cow was examined for a left hind leg lateral claw lameness due to septic arthritis of the distal interphalangeal joint and associated osteomyelitis of the second and third phalanges. actinomyces pyogenes and fusobacterium necrophorum, which have been demonstrated previously to act synergistically in ovine heel abscesses, were isolated from the affected digit. a claw amputation was performed because of the advanced destructive nature of the lesion. | 1988 | 3402217 |
| echocardiographic diagnosis of pulmonic valve vegetative endocarditis in a cow. | a 5-year-old cow developed signs of bacterial endocarditis subsequent to parturition and mastitis. massive vegetative lesions on the pulmonic valve were imaged with 2-dimensional echocardiography. | 1986 | 3516957 |
| [action of fenitrothion (agria 1050) on the development of a surgical infection with corynebacterium pyogenes in sheep]. | investigations were carried out on twelve starozagorska breed sheep divided into two groups of 6 animals each. all sheep were treated with phenitrothion (agria-50) at the rate of 300 mg per kg body mass, singly, by means of a stomach tube. at the first hour of treatment the sheep of the second group were injected with 3 cm3 broth culture of corynebacterium pyogenes. the general condition, the manifestation of signs of toxicity, and some paraclinical indices were followed up. the animals of the f ... | 1986 | 3523965 |
| bacteriology of summer mastitis secretions from cattle in eire. | | 1986 | 3538637 |
| effect of infection of the genital tract on the concentration of igg and albumin in bull serum and semen. | bovine igg and albumin concentrations were determined from serum and semen of 59 bulls that were divided into 4 groups: 35 non-infected bulls (group 1); 10 with vesiculitis due to corynebacterium pyogenes (group 2); 10 bulls with orchitis due to chlamydia psittaci (group 3); and 4 bulls with infectious vesiculitis (group 4) sampled both before and after antibiotic treatment. serum igg concentrations (25 mg/ml approximately) were similar in non-infected (gp 1) and infected bulls (gp 2,3,4) wherea ... | 1986 | 3541363 |
| corynebacterium pyogenes. its pathogenic mechanism in epidemic leg ulcers in thailand. | there is a yearly outbreak of endemic leg ulcers in thailand. corynebacterium pyogenes, a pathogen to animals, is frequently isolated from the fresh lesions in addition to common pyogenic bacteria such as beta-hemolytic streptococci, mostly group a, and staphylococcus aureus and staphylococcus epidermidis. although circulating titers of igg and igm anti-c. pyogenes antibodies were found to be very low in studied cases, intradermal skin test with c. pyogenes vaccine containing nonviable 10(5) mic ... | 1987 | 3549593 |
| bacteriology of caudal vena caval thrombosis in slaughter cattle. | | 1987 | 3551314 |
| orchitis in a camel (camelus dromedarius) infected with sarcoptes cameli. | | 1987 | 3551317 |
| in vitro growth inhibition of mastitis pathogens by bovine teat skin normal flora. | one factor contributing to differences in the susceptibility of cows to mastitis may be differences in the teat skin normal flora, which could inhibit or enhance the growth of pathogenic bacteria. using in vitro cross-streaking methods, we found that 25% of the isolates of teat normal flora of non-lactating heifers inhibited the growth of selected mastitis pathogens, but enhancers were not detected. gram-positive pathogens were inhibited to a greater extent than gram-negative pathogens. inhibiti ... | 1987 | 3552170 |
| in vitro antibacterial properties of el-870, a new semi-synthetic macrolide antibiotic. | a new macrolide antibiotic, el-870, 20-deoxo-20-(3,5-dimethylpiperidin-1-yl)desmycosin, has been prepared by chemical modification of desmycosin. in vitro, against selected animal bacterial pathogens, it inhibited growth of pasteurella multocida, pasteurella haemolytica, mycoplasma hyopneumoniae, actinobacillus pleuropneumoniae, streptococcus suis, actinomyces pyogenes and certain other bacteria at levels of 6.25 micrograms/ml or less. in general, the mics for gram-negative enteric bacteria have ... | 1987 | 3570967 |
| [microbial etiology of the mma syndrome (mastitis-metritis-agalactia) in swine raised commercially]. | a total of 147 uterine-cervical exudates and milk samples from 165 lobes of the mammary gland of sows with clinical symptoms of mastitis-metritis-agalactia (mma) were studied microbiologically. it was found that greatest was the share of escherichia coli and staphylococcus aureus organisms taking part in the microbial etiology of the syndrome. second ranked staphylococcus epidermidis, streptococcus pyogenes, and corynebacterium pyogenes along with some aerobic sporulating bacilli. | 1987 | 3629957 |
| [drug resistance of bacterial strains isolated from sows with the clinical picture of mastitis-metritis-agalactia]. | the disk method with ericson and bauer's solid nutrient media were employed to ascertain the drug resistance of a total of 54 strains of escherichia coli, 25 strains of staphylococcus aureus, 11 strains of streptococcus pyogenes, 7 strains of corynebacterium pyogenes, 7 strains of streptococcus uberis, 2 strains of streptococcus agalactiae, and 1 strain of streptococcus disgalactiae isolated from utero-cervical exudate and milk samples of sows with clinical symptoms of mastitis-metritis-agalacti ... | 1987 | 3672914 |
| vaccines for respiratory disease in cattle. | respiratory disease is one of the most serious disease complexes affecting beef cattle production. for example, it is claimed to cost the uk industry about 70 million pounds per year. it is usually associated with young cattle and can occur in a variety of situations. it is a good example of multifactorial disease in that its aetiology involves both infection by a variety of microorganisms and a number of environmental factors. several distinct syndromes occur and a number of microorganisms are ... | 1987 | 3673201 |
| [endocarditis and meat inspection in slaughtering pigs. 1. clinical, pathological and microbiological aspects]. | the clinical, pathomorphological and microbiological findings during meat inspection in 599 pigs with endocarditis at slaughter were studied. clinical signs were observed in 41 per cent of the pigs on ante-mortem inspection. lameness was the most common sign. however, this symptom is not very specific of endocarditis. this is also true of various other symptoms. only dyspnoea and drowsiness were indicative of endocarditis to some extent, but occurred only sporadically. extracardial lesions were ... | 1987 | 3686503 |
| tentative identification of actinomyces pyogenes with antisera against group g streptococci. | | 1986 | 3788351 |
| [etiology and chemotherapy of suppurative surgical infection in horses and cattle]. | a total of 24 horses and 42 cattle with a variety of local suppurative processes (wounds, abscesses, phlegmons, tendovaginitis, etc.) were studied under conditions of the clinic with regard to the most commonly found microbial species and the opportunity to work out antibioticogrammes in terms of the effectiveness of 11 of the chemotherapeutic agents widely used in the practice. it was found that prevailing in horses were staphylococci and streptococci. in cattle corynebacterium pyogenes was pre ... | 1986 | 3811221 |
| a study of tail tip necrosis in young fattening bulls on slatted floors. | a questionnaire sent to 78 producers revealed that tail tip necrosis was seen only in units with fattening bulls housed on slatted floors. out of 43 such units, 20 (46.5 per cent) reported that tail tip necrosis was a herd problem. all 43 herds were visited, owners were interviewed and housing and management data recorded. it is concluded that tail tip necrosis is a multifactorial disease. the initial lesion is caused by tramping, but the following factors are essential in the development and se ... | 1985 | 3835543 |
| [biochemical changes in the blood of sheep with experimental corynebacterium infection]. | investigations were carried out with 24 sheep divided into two groups of twelve animals. the first group were infected via the lateral recessus of the tarsal joint with 2 cm3 of a 24-hour broth culture of corynebacterium pyogenes, and the second one were infected i/v with 3 cm3 of the same culture. the changes in the total protein, protein fractions, and blood electrolites in the blood were followed up. it was found that the infection of corynebacterium pyogenes affected the total reactivation o ... | 1985 | 3887745 |
| a microaerophilic coccus in pyogenic infections of ruminants. | pyogenic infections of cattle, sheep and goats were examined for the presence of a gram positive bacterium that has been designated "microaerophilic coccus" by other workers. the bacterium was found to be involved in a range of disease processes, including foot and soft tissue abscesses, mastitis, pericarditis and pyometra in cattle, joint and foot abscesses in sheep and foot abscesses in goats. the characteristic feature of the bacterium was its satellitic growth around colonies of other organi ... | 1985 | 3888166 |
| mastitis due to a group of pyogenic bacteria. | | 1985 | 3888167 |
| [pharmacokinetics of amoxicillin trihydrate in sheep infected experimentally with corynebacterium pyogenes and escherichia coli]. | a comparative experiment was carried out with sheep that were infected i/v and via the joints with corynebacterium pyogenes and escherichia coli, and with normal sheep left as controls. the pharmacokinetic parameters were determined of amoxicillin-trihydrate following its i/m application to all animals in a 20 percent oil suspension. it was found that there was delayed excretion of the antibiotic, and as a rule it was maintained in higher concentrations in the diseased animals. the differences w ... | 1985 | 3898563 |
| carriage of corynebacterium pyogenes by the cattle nuisance flies hydrotaea irritans (fallén) and musca autumnalis (de geer). | two species of cattle-visiting muscidae were experimentally contaminated with c. pyogenes, a pathogen involved in the aetiology of summer mastitis. surface contamination persisted for at least 4 days. since m. autumnalis would not feed on media containing c. pyogenes the bacterium did not persist internally. all c. pyogenes were eliminated from the gut of h. irritans in 4 days. h. irritans is thus more likely to transmit c. pyogenes than is m. autumnalis but only by mechanical transfer, and is n ... | 1985 | 3909617 |
| [effect of ultraviolet-irradiated autologous blood on the biochemical indices of sheep with a corynebacterium infection]. | twelve sheep were used in two groups of six animals each (a control and a test one). both control and test animals were infected with a 24-hour broth culture of corynebacterium pyogenes. the infection was followed up in the course of five days after which the animals of both groups were subjected to autohemotransfusion, whereas the blood transfused with the controls was not treated, and the blood transfused with the test animals was treated with ultra violet rays in vitro. following the transfus ... | 1985 | 3909627 |
| abscesses and caseous lymphadenitis in goats in tropical semi-arid north-east brazil. | this study reports the incidence of abscesses in relation to corynebacterium pseudotuberculosis infection in goats in north-east brazil. among 656 goats examined periodically over almost two years 41.6% were found with superficially palpable abscesses. most of the infected areas were in the anterior half of the body in front of the pre-scapular region; the inguinal region formed the other prominent area. among 486 dead or slaughtered goats, 56 (11.5%) revealed abscesses in the internal organs. l ... | 1985 | 3992674 |
| [disorders in slaughtering animals. v. endocarditis in slaughtering pigs, sows and cattle]. | bacteriological studies were done in 673 slaughtered animals (pigs, sows and cattle) in which post-mortem examination had revealed the presence of endocarditis. the studies were positive for the presence of bacteria in 453 cases. lesions were not observed on ante-mortem inspection in 386 cases. isolation of corynebacterium pyogenes was extremely common in cattle, whereas beta-haemolytic streptococci and erysipelothrix insidiosa were very frequently isolated in slaughtered pigs. | 1985 | 4071515 |
| throat infection and rash associated with an unusual corynebacterium. | | 1972 | 4118210 |
| isolation of corynebacterium haemolyticum. | | 1973 | 4121860 |
| septicaemia in the foal. a review of 61 cases. | | 1973 | 4125574 |
| an atypical form of corynebacterium pyogenes isolated from a case of chronic bovine mastitis. | | 1972 | 4125595 |
| interactions of antibodies, complement components and various cell types in immunity against viruses and pyogenic bacteria. | | 1974 | 4135465 |
| [the occurrence of neuraminidase and acylneuraminate pyruvate-lyase in corynebacterium haemolyticum and corynebacterium pyogens (author's transl)]. | | 1973 | 4148903 |
| [evaluation of laboratory diagnosis of mastitis in dairy cows in czechoslavakia in the years 1965-8]. | | 1973 | 4197680 |
| [etiology of bovine mastitis in slovakia during the years 1967-1971]. | | 1973 | 4197681 |
| [bacteriological findings in udders of dairy cows butchered on the sanitary slaughter line of the prague slaughter house]. | | 1973 | 4197688 |
| [morphology of bacteriophages of the genus corynebacterium. comparative aspects]. | | 1974 | 4208057 |
| [antibiotic from bac. cereus var. mycoides. 1]. | | 1974 | 4211301 |
| herd incidence of bovine mastitis in four danish dairy districts. i. the prevalence and mastitogenic effect of micro-organisms in the mammary glands of cows. | | 1974 | 4213559 |
| corynebacterium pyrogenes; a biochemical and serological study. | | 1974 | 4218062 |
| exudative epidermitis in pigs: etiological studies and pathology. | the experimental production of exudative epidermitis of pigs following the inoculation of skin scrapings or cultures from field or experimentally-produced cases of the disease is described. typical lesions of exudative epidermitis were produced following inoculation, either intravenously or by scarification, of broth cultures of 4 strains of a micrococcus isolated from field cases of the disease. the experimental inoculation of pigs with skin scrapings sterilized by filtration or antibiotic trea ... | 1966 | 4225341 |
| [l-forms of corynebacterium pyogenes hominis]. | | 1969 | 4243533 |
| investigations of respiratory disease of sheep in australia. | | 1972 | 4342381 |
| a selective medium for the isolation of corynebacterium pyogenes. | | 1973 | 4360516 |
| synthesis and antimicrobial activity of aliphatic nitro compounds. | | 1974 | 4370420 |
| first isolation of corynebacterium suis in hong kong. | | 1972 | 4561116 |
| [thigh abscess in a young bull]. | | 1972 | 4563868 |
| [case of constrictive pericarditis in an infant caused by corynebacterium pyogenes]. | | 1972 | 4565297 |
| the aetiology of impetigo contagiosa. | | 1972 | 4567095 |
| endocarditis in slaughter pigs. | | 1973 | 4577355 |
| antitumor activity of anaerobic corynebacterium isolated from the human bone marrow. | | 1973 | 4577966 |