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2.
Vet Rec ; 179(13): 331, 2016 Oct 01.
Article in English | MEDLINE | ID: mdl-27339145

ABSTRACT

Abscesses of odontogenic origin in guinea pigs pose a serious health problem and need to be treated with a combination of surgical and medical therapy. The aim of this prospective study was to describe the microbial flora of odontogenic abscesses associated with osteomyelitis in 24 pet guinea pigs, to perform antibiotic sensitivity testing, and to make recommendations for practitioners on the antibiotics of first choice. Inclusion criteria for the study included the animal being diagnosed with an odontogenic abscess which underwent surgery and was not pre-treated with an antibiotic. Inclusion criteria matched for 24 guinea pigs. Samples (pus, capsule and affected tooth/bone) for bacteriological examination were collected under sterile conditions during the surgical procedure. The most commonly isolated bacteria from abscesses of odontogenic origin were Bacteroides fragilis in 12.8 per cent (6/47) of cases, Pasteurella multocida in 10.6 per cent (5/47) and Peptostreptococcus anaerobius in 8.5 per cent (4/47). Aerobic bacterial species only were isolated in 29.2 per cent (7/24) of cases, anaerobic bacteria only were isolated in 33.3 per cent (8/24), and mixed infection with anaerobic and aerobic bacterial species was seen in 37.5 per cent (9/24). Aerobes (n=20) were sensitive to enrofloxacin and marbofloxacin in 100 per cent of samples, benzylpenicillin potassium (penicillin G, PNCG) in 90 per cent, cephalotin in 85 per cent, amoxicillin-clavulanate in 75 per cent, doxycycline in 70 per cent, gentamicin in 65 per cent and trimethoprim-sulfamethoxazole in 55 per cent. Anaerobes (n=27) were sensitive to amoxicillin-clavulanate in 100 per cent of cases, clindamycin in 96.3 per cent, metronidazole in 92.6 per cent, PNCG in 92.6 per cent and cephalotin in 74.1 per cent. As guinea pigs are strictly herbivorous animals, based on the results of this study the recommended antibiotic treatment for odontogenic abscesses is a combination of fluoroquinolones and metronidazole.


Subject(s)
Guinea Pigs , Periodontal Abscess/veterinary , Pets , Animals , Anti-Bacterial Agents/therapeutic use , Female , Male , Microbial Sensitivity Tests/veterinary , Osteomyelitis/microbiology , Osteomyelitis/veterinary , Periodontal Abscess/drug therapy , Periodontal Abscess/microbiology , Prospective Studies
3.
Vet Rec ; 177(8): 200, 2015 Aug 22.
Article in English | MEDLINE | ID: mdl-26198213

ABSTRACT

Guinea pigs are commonly kept as pet animals; however, information about particular disease prevalence is lacking. The objective of this article was to present disease prevalence in 1000 pet guinea pigs from private owners divided into three age groups: under two years; between two and five years; and above five years. Medical records of guinea pigs (Cavia aperea f. porcellus) that were presented to the authors' clinic in the period from January 2008 to August 2013 were reviewed. The most commonly diagnosed disease in guinea pigs was dental disease (36.3 per cent), with higher prevalence in the middle age group (P<0.001) and in males (P<0.001) rather than females. Skin problems were seen as the second most common disease (33.3 per cent), with higher prevalence in male guinea pigs (P<0.001) and in animals younger than two years (P<0.001). Ovarian cystic disease was the third most commonly seen disorder, with higher prevalence in females older than two years (P<0.001). Other common health disorders included gastrointestinal stasis, heterotopic ciliary body calcifications, fatty eye and tibiofemoral osteoarthritis. Only 81 guinea pigs from a total of 1000 animals were healthy. This is the first study to describe the disease prevalence in three age groups of pet guinea pigs.

4.
Vet Rec ; 170(6): 153, 2012 Feb 11.
Article in English | MEDLINE | ID: mdl-22238202

ABSTRACT

The main aim of this study was to investigate the impact of pelleted diet of different mineral composition on the sonographic and CT appearance of kidneys in degus (Octodon degus). A total of 35 animals were randomly divided into five groups, fed diets containing different calcium and phosphorus contents (13.5 g/kg calcium and 6.3 g/kg phosphorus, or 9.1 g/kg calcium and 9.5 g/kg phosphorus) and given different amounts of exposure to UV light. Endoscopic examination of the oral cavity as well as renal ultrasonography and CT was performed four times at four-month intervals throughout the study. After 14 months of feeding an experimental diet, all degus were euthanased and subsequently all kidneys were collected for histopathological examination. Animals fed a diet with high dietary phosphate and improper calcium to phosphorus ratio showed severe nephrocalcinosis. Ultrasonographic and CT kidney abnormalities presented as hyperechogenicity and hyperdensity (interpreted as nephrocalcinosis), respectively. The most striking changes were seen at the corticomedullary zone. Ultrasonography and CT correlated in all cases with histopathological findings. Dental disease developed quickly in groups fed diets with an improper calcium and phosphorus content, with obvious apical and coronal elongation of all the teeth. A possible influence of UV light access could not be proved in this study.


Subject(s)
Animal Feed/analysis , Calcium, Dietary/adverse effects , Kidney/drug effects , Octodon , Phosphorus, Dietary/adverse effects , Animal Feed/standards , Animals , Calcium, Dietary/administration & dosage , Calcium, Dietary/analysis , Kidney/diagnostic imaging , Kidney Calculi/etiology , Kidney Calculi/veterinary , Male , Phosphorus, Dietary/administration & dosage , Phosphorus, Dietary/analysis , Rodent Diseases/etiology , Tomography, X-Ray Computed/veterinary , Tooth Abnormalities/chemically induced , Ultrasonography/veterinary
5.
Vet Rec ; 169(3): 71, 2011 Jul 16.
Article in English | MEDLINE | ID: mdl-21709052

ABSTRACT

Thirty-five juvenile (mean age 6.3 weeks) and 35 adult (mean age 2.0 years) healthy degus (Octodon degus) were studied to investigate selected haematological and plasma biochemistry parameters. Animals were anaesthetised with isoflurane, and blood was withdrawn from the cranial vena cava. Erythrocyte, haematocrit and neutrophil counts (including the percentage of neutrophils) were significantly higher in the adult degus than in the juveniles. In contrast, the reticulocyte count, mean corpuscular volume, mean corpuscular haemoglobin, number of platelets and percentage of lymphocytes were significantly lower in the adult animals. Total protein and globulin levels were significantly higher in the adult degus. The albumin:globulin ratio and plasma levels of urea nitrogen, cholesterol, alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, potassium, total calcium and inorganic phosphorus were significantly lower in adults than in juveniles.


Subject(s)
Blood Chemical Analysis/veterinary , Hematologic Tests/veterinary , Octodon/blood , Age Factors , Aging/blood , Alanine Transaminase/blood , Alkaline Phosphatase/blood , Animals , Aspartate Aminotransferases/blood , Blood Glucose/analysis , Erythrocyte Indices/veterinary , Erythrocyte Volume/veterinary , Female , Leukocyte Count/veterinary , Lymphocyte Count/veterinary , Male , Reference Values , Serum Albumin
6.
J Small Anim Pract ; 52(7): 371-5, 2011 Jul.
Article in English | MEDLINE | ID: mdl-21671943

ABSTRACT

This report describes extrahepatic bile duct obstruction in two ferrets, which were presented with anorexia, chronic weight loss and general weakness. Physical examination revealed lethargy, cachexia, dehydration, abdominal pain and icterus. Marked haematological, serum chemistry and urinalysis abnormalities included hyperbilirubinaemia (65·5 and 114·2 µmol/L), high concentrations of alanine transaminase (1327·53 and 2578·88 IU/L) and biluribinuria. Abdominal ultrasonography revealed thickening of the bile duct together with the gall bladder wall. The common bile duct was obviously distended. Choledochotomy revealed inspissated bile with fragile green gelatinous plugs that was removed to allow the bile to flow into the duodenum. Cytology and culture of the biliary tract contents were negative for bacteria. Laboratory analyses of biliary plugs showed presence of only protein substances, without detectable mineral composition. Histopathological examination of the liver showed diffuse steatosis and non-specific cholangiohepatitis in both cases.


Subject(s)
Cholestasis, Extrahepatic/veterinary , Ferrets , Animals , Blood Chemical Analysis/veterinary , Cholestasis, Extrahepatic/blood , Cholestasis, Extrahepatic/diagnosis , Cholestasis, Extrahepatic/surgery , Female , Laparotomy/veterinary , Male , Prognosis , Treatment Outcome
7.
Vet Rec ; 168(24): 641, 2011 Jun 18.
Article in English | MEDLINE | ID: mdl-21672952

ABSTRACT

The impact of pelleted diets with different mineral compositions on the crown size of the mandibular cheek teeth, as well as the mandibular bone and cheek teeth density, in degus (Octodon degus) was investigated. A total of 28 animals were randomly divided into four groups and fed different calcium or phosphorous dietary content, in the presence or absence of UV light, for 14 months. Dental radiographs and CT images of the head were taken, and the crown size of premolar and molar teeth was recorded. Apical and coronal crown elongation of all cheek teeth and significantly smaller relative cheek teeth and mandibular densities were recorded in degus fed a high-phosphorus diet with an improper calcium:phosphorus ratio. A diet with a calcium:phosphorus ratio of 1:1 was also responsible for the rapid development of dental disease with subsequent severe health impairment.


Subject(s)
Calcium, Dietary/pharmacology , Diet/veterinary , Molar/drug effects , Phosphorus, Dietary/pharmacology , Rodent Diseases/etiology , Stomatognathic Diseases/veterinary , Tooth Crown , Animal Feed/analysis , Animals , Bone Density/drug effects , Bone Density/radiation effects , Calcium, Dietary/administration & dosage , Male , Mandible/diagnostic imaging , Mandible/drug effects , Mandible/radiation effects , Minerals/analysis , Molar/radiation effects , Octodon , Phosphorus, Dietary/administration & dosage , Radiography , Stomatognathic Diseases/etiology , Tooth Crown/drug effects , Tooth Crown/radiation effects , Ultraviolet Rays/adverse effects
8.
J Small Anim Pract ; 52(2): 107-12, 2011 Feb.
Article in English | MEDLINE | ID: mdl-21265850

ABSTRACT

INTRODUCTION: Degus are commonly used as laboratory animals; however, over the past few years, they have become increasingly popular as pets. OBJECTIVES: The aim of this article was to present disease prevalence in 300 pet degus divided in two age groups (under and above two years). METHODS: Medical records of degus (Octodon degus), which were presented to the author's clinic in the period from January 2007 to December 2009, were reviewed. RESULTS: The most common diseases in degus were (1) acquired dental disease (60·0%) with significantly higher prevalence in older animals (P<0.001), (2) skin alopecia due to fur chewing (13·33%) and (3) lens cataracts (13·33%). Other common disorders included traumatic injuries to soft tissues (bite wounds and tail slip), traumatic fractures and dietary diarrhoea. Reproductive disorders were most commonly associated with dystocia and pathological changes in the post-natal period. Only 38 degus in a total of 300 animals were healthy. CLINICAL SIGNIFICANCE: This is the first study to describe the disease prevalence in two age groups of pet degus. The majority of diseases were caused by improper diet, self-mutilation and improper handling; as such client education is necessary to avoid such a high disease prevalence.


Subject(s)
Animal Husbandry/education , Octodon , Rodent Diseases/epidemiology , Rodent Diseases/etiology , Wounds and Injuries/veterinary , Age Factors , Animal Husbandry/methods , Animal Husbandry/standards , Animals , Female , Male , Prevalence , Retrospective Studies , Wounds and Injuries/epidemiology , Wounds and Injuries/etiology
9.
Vet Rec ; 162(14): 442-9, 2008 Apr 05.
Article in English | MEDLINE | ID: mdl-18390854

ABSTRACT

Between 2002 and 2005 210 rabbits, 257 guinea pigs and 123 chinchillas were examined; oral disease was diagnosed in 38.1 per cent of the rabbits, 23.4 per cent of the guinea pigs and 32.5 per cent of the chinchillas. In the rabbits, the maxillary right P3, mandibular right P3, P4 and M1 and mandibular left P3, P4, and M1 were the teeth most frequently affected; in the guinea pigs, the mandibular right P4 and both the mandibular left incisor and P4 were most often affected; and in the chinchillas the maxillary right P4 and M1 and maxillary left P4 were most often affected. The incisors and first mandibular cheek teeth of the guinea pigs were significantly more often affected than those in the chinchillas or rabbits. Bilateral lesions of the maxillary cheek teeth were significantly more common in the chinchillas. The highest incidence of gingival hyperplasia was recorded in the rabbits. The incidence of gingival erosions and gingivitis were significantly higher in the chinchillas.


Subject(s)
Chinchilla , Guinea Pigs , Periodontal Diseases/veterinary , Rabbits , Rodent Diseases/epidemiology , Tooth Diseases/veterinary , Animals , Czech Republic/epidemiology , Diagnosis, Oral , Endoscopy/veterinary , Female , Male , Periodontal Diseases/epidemiology , Tooth/physiopathology , Tooth Diseases/epidemiology
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