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Yersinia pseudotuberculosis infection in the cat is described. Clinical findings included inappetence, lethargy, rapid emaciation, jaundice and an enlarged left kidney. Chronic pseudotubercular lesions were found in the kidneys and lungs and Yersinia pseudotuberculosis Type IIB was recovered from both sites.
Vet Rec 1977 May 14
PMID:Yersinia pseudotuberculosis in the cat. 32 72

A case of yersiniosis in a free-living fallow deer is described. Pathological examination revealed an emaciated carcase with numerous abscesses of various sizes throughout the abdominal and thoracic cavities. Staining of material from the abscesses showed a small Gram-negative coccobacillus which was identified as Yersinia pseudotuberculosis type 1A.
Vet Rec
PMID:Yersiniosis in a free-living fallow deer. 53 74

A survey of mortality in hedgehogs (Erinaceus europaeus) was carried out between July 1976 and November 1986. Most were from Norfolk. Of the 74 examined, 35 (47.3 per cent) were road casualties, one of which yielded Salmonella typhimurium phage type (PT) 104. Of the remaining 39, 13 (33.3 per cent) had salmonellosis due to S enteritidis PT 11. This organism, which appears to be common and widespread in hedgehogs in England was found in 10 separate incidents. The only other zoonosis was ringworm (Trichophyton erinacei infection). Other findings included ectoparasitic infestations with mange mites (Caparinia tripilis), fleas (Archaeopsylla erinacei) and ticks (Ixodes hexagonus). Helminths comprised Crenosoma striatum lungworms (associated with Bordetella bronchiseptica infection in one animal), intestinal nematodes (Capillaria species), cestodes (Rodentolepis erinacei), trematodes (Brachylaemus erinacei) and acanthocephalans (Prosthoryhnchus species). Metaldehyde poisoning was diagnosed in three animals. Over a 10 year period 370 carcases were counted on a stretch of 18 miles of road in Norfolk. The major causes of mortality are probably road casualties and hypothermia during the winter months. In December 1988 S enteritidis PT 11 was isolated from three of four carcases examined in Berkshire and the zoonosis pseudotuberculosis (Yersinia pseudotuberculosis infection) was diagnosed in two of them.
Vet Rec 1991 Mar 16
PMID:Zoonoses and other findings in hedgehogs (Erinaceus europaeus): a survey of mortality and review of the literature. 203 15

Antisera against Actinobacillus seminis, Brucella ovis and Corynebacterium pseudotuberculosis were prepared in adult female goats. Specific immunofluorescence was observed in cultural smears of A seminis, B ovis and C pseudotuberculosis by the direct technique and in smears of A seminis also by the indirect technique. Individual organisms could be recognised. Specific fluorescence of A seminis was readily detected in semen. The results indicate that immunofluorescence may offer an effective method for rapidly and accurately diagnosing bacterial epididymitis in sheep, especially before epididymal lesions are palpable.
Vet Rec 1980 Nov 01
PMID:Diagnosing ovine epididymitis by immunofluorescence. 702 Feb 28

A strain of Yersinia pseudotuberculosis (NCTC 12718), isolated from a seven-week-old pig suffering from an ulcerative typhlocolitis, was inoculated orally into 16 growing pigs in two separate experiments. At necropsy 10 days later, typhlocolitis was present in nine of the pigs, and it was accompanied by diarrhoea in four cases. In both the original case and in the experimental pigs, the typhlocolitis was characterised by microabscesses of the lamina propria, frequently involving ulceration or erosion of the surface epithelium. The organism was of serotype IIa, which has not been isolated previously from pigs in the United Kingdom. Y pseudotuberculosis may be the aetiological agent responsible in some cases of porcine colitis syndrome.
Vet Rec 1994 Jul 16
PMID:Pathogenicity of a strain of Yersinia pseudotuberculosis isolated from a pig with porcine colitis syndrome. 797 86

An outbreak of Corynebacterium pseudotuberculosis infection in an Israeli dairy herd appeared in four clinical forms: cutaneous, mastitic, visceral and a mixed form. Only cows were affected and susceptibility increased with age. Most cases occurred during a short period in the summer months. The total morbidity rate was 13.7 per cent involving 41 cows. Thirty cows were affected by the cutaneous form, five by the mastitic form, four by the mastitic and cutaneous forms, one by the mastitic and visceral forms and one by the visceral form. The cutaneous form appeared as one or two pyogranulomatous lesions affecting the body or head. Subclinical to severe clinical mastitis was found in the mastitic form. In the visceral form the upper and lower respiratory system were affected by multiple purulent lymphadenitis. All the cutaneous lesions recovered irrespective of treatment. Mastitis did not respond to treatment and severely affected milk production in most cases. All the isolates of C pseudotuberculosis were nitrate reductase negative. Most isolates were sensitive to norfloxacin, cephalothin, methicillin, kanamycin and furazolidone and resistant to ampicillin, lincomycin and neomycin.
Vet Rec 1993 Jul 24
PMID:An outbreak of Corynebacterium pseudotuberculosis infection in an Israeli dairy herd. 821 95

Between April 1984 and November 1986, 126 faeces samples were collected from puppies and bitches in a kennel and examined for Yersinia species; 45 (35.7 per cent) of them were positive. Thirty-eight isolates were Y enterocolitica, five were Y frederiksenii and two were Y intermedia. Twenty-one of the Y enterocolitica isolates belonged to serogroup 0:3 and 17 of these were L-sorbose negative; all these isolates were from puppies. One strain of Y frederiksenii and all the L-sorbose-negative Y enterocolitica serogroup 0:3 isolates were resistant to antimicrobial agents and showed four different patterns of resistance (ampicillin, cephalothin and tetracycline; ampicillin, cephalothin, streptomycin and tetracycline; ampicillin, chloramphenicol, cephalothin, streptomycin and sulfathiazole; and ampicillin, chloramphenicol, cephalothin, streptomycin, sulfathiazole and tetracycline. In January 1986, investigations were conducted on a cattle farm and a pig farm close to the kennel. Of 19 bovine faeces samples 11 (57.8 per cent) were positive for Yersinia species; eight yielded Y enterocolitica and four yielded Y frederiksenii. None of the Y enterocolitica isolates belonged to serogroup 0:3. Of 20 porcine faeces samples eight (40 per cent) were positive for Yersinia species; all eight yielded Y enterocolitica and four also yielded Y pseudotuberculosis. Two of the isolates of Y frederiksenii and two of the isolates of Y enterocolitica from the farms had the following resistance patterns: ampicillin, cephalothin and streptomycin; ampicillin, streptomycin and tetracycline; ampicillin, chloramphenicol, cephalothin, streptomycin, trimethoprim-sulphamethoxazole and tetracycline; and ampicillin, chloramphenicol, cephalothin, streptomycin, sulphatiazole, trimethoprim-sulphamethoxazole and tetracycline.(ABSTRACT TRUNCATED AT 250 WORDS)
Vet Rec 1993 May 22
PMID:Characterisation of Yersinia species isolated from a kennel and from cattle and pig farms. 832 43

Morbidity due to Corynebacterium pseudotuberculosis infection occurred in 29 dairy herds in Israel during 1989 to 1995. The disease occurred sporadically in 17 of the herds with a morbidity of up to 5 per cent, and was epidemic in 12, with a morbidity of 5 to 35 per cent. Cutaneous abscesses were diagnosed in 609 animals. Young cattle appeared to be less susceptible to the disease than older cows. Beef cattle herds were not affected. The disease appeared in the cutaneous form in 92.5 per cent of cases, the cutaneous and mastitic form in 5.9 per cent and the cutaneous and visceral form in 1.6 per cent. The cutaneous form appeared as deep subcutaneous abscesses on various parts of the body, with granulating ulcers exuding pus and blood. In 10 of the herds, C pseudotuberculosis was isolated from 33 mastitic cows which also had cutaneous lesions. The visceral form of the disease was detected when severely affected animals were slaughtered. In 23 of the herds, the disease occurred during the spring and summer dry season, from March to October; the highest prevalence was in the semi-arid Negev region. In 25 herds, the infection lasted for up to five months. The skin lesions on individual cows healed on average in 23.4 days, after either local or parenteral treatment. No significant difference was observed between the effect of systemic antibiotic treatment and local antiseptic treatment. One hundred and two (16.7 per cent) severely affected animals were culled. There was a decrease in milk production and large increases in somatic cell counts in the 12 herds in which the disease was epidemic. None of the strains of isolated C pseudotuberculosis reduced nitrate.
Vet Rec 1997 Apr 19
PMID:Corynebacterium pseudotuberculosis infection in Israeli cattle: clinical and epidemiological studies. 914 62

Investigations into the possible causes of colitis and typhlocolitis were carried out on 85 pig units in the United Kingdom between 1992 and 1996. Serpulina pilosicoli was identified most commonly, occurring as the suggested primary agent on 21 (25 per cent) of the units but forming part of mixed infections on another 23 (27 per cent) of the units, the main co-infections being Yersinia pseudotuberculosis (eight units), proliferative enteropathy (six units), Salmonella species (four units) or Serpulina hyodysenteriae (two units). 'Atypical' Serpulina species, S hyodysenteriae, Salmonella typhimurium, Y pseudotuberculosis and Lawsonia intracellularis (proliferative enteropathy) were the suggested primary agents on seven, six, four, four and three units, respectively. Various combinations of mixed infections involving the latter organisms and other possibly incidental agents were recorded on another 10 units. Investigations on a further six units failed to detect any recognised pathogens. On units where S pilosicoli was the suggested primary agent, pigs ranging between 20 to 40 kg (eight to 16 weeks of age), but occasionally up to 50 kg, had diarrhoea and grew poorly over a period of two to three weeks. The prevalence was estimated to be between 5 and 15 per cent in affected batches, with a mortality of approximately 1 per cent. The clinical signs usually developed seven to 14 days after the moving and mixing of pigs. At postmortem examination, affected pigs had liquid contents in their colon, which contained accumulations of mucus in some chronic cases. Gross and histological lesions of colitis were prominent in the mid-spiral region of the colon. In mixed infections with Y pseudotuberculosis, Salmonella typhimurium or S hyodysenteriae, lesions were more extensive and affected the caecum as well as the colon. In the colon, lesions of proliferative enteropathy were usually confined to the proximal half of the ascending spiral but mixed infection with S pilosicoli caused more extensive colitis. Mixed infections were reported to prolong the time taken for pigs to recover naturally and to have a more detrimental effect on growth rates than S pilosicoli infection alone. Despite the successful treatment of batches of pigs with tiamulin or lincomycin, S pilosicoli infection persisted as a chronic problem on many units, with diarrhoea and colitis in successive batches of pigs unless prophylactic medication was used.
Vet Rec 1998 Mar 07
PMID:Investigations into field cases of porcine colitis with particular reference to infection with Serpulina pilosicoli. 954 64

The medical records of 53 horses with purpura haemorrhagica were reviewed. Seventeen of them had been exposed to or infected with Streptococcus equi, nine had been infected with Corynebacterium pseudotuberculosis, five had been vaccinated with S. equi M protein, five had had a respiratory infection of unknown aetiology, and two had open wounds; the other 15 cases had no history of recent viral or bacterial infection. The horses were between six months and 19 years of age (mean 8.4 years). The predominant clinical signs were well demarcated subcutaneous oedema of all four limbs and haemorrhages on the visible mucous membranes; other signs included depression, anorexia, fever, tachycardia, tachypnoea, reluctance to move, drainage from lymph nodes, exudation of serum from the skin, colic, epistaxis and weight loss. Haematological and biochemical abnormalities commonly detected were anaemia, neutrophilia, hyperproteinaemia, hyperfibrinogenaemia, hyperglobulinaemia and high activities of muscle enzymes. All of the horses were treated with corticosteroids; 42 also received non-steroidal anti-inflammatory drugs and 26 received antimicrobial drugs. Selected cases received special nursing care, including hydrotherapy and bandaging of the limbs. Most of the horses were treated for more than seven days and none of them relapsed. Forty-nine of the horses survived, one died and three were euthanased, either because their severe clinical disease failed to respond to treatment or because they developed secondary complications. Two of the four non-survivors had been vaccinated against S. equi with a product containing the M protein, one had a S. equi infection and the other had a respiratory infection of undetermined aetiology.
Vet Rec 2003 Jul 26
PMID:Purpura haemorrhagica in 53 horses. 1291 29


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