Introduction. The medical records of 62 stallions with acquired inguinal herniation were reviewed (2007-2017). Materials and Methods. The history, clinical and laboratory findings on admission to the clinic and methods of treatment have been summarized. Results and Conclusions. The prevalence of inguinal hernia among horses with colic was 3.85 % (62/1609 cases). Indirect inguinal hernia was observed in 58 cases (93.54 %) and incarcerated inguinal hernia was observed in 55 horses (88.71 %). Hernia was found more frequently on the left side (36 cases) then on the right (26 cases). The majority of horses with acquired inguinal hernia were admitted to the clinic in the summer and spring (49/62), i.e. when air temperatures were high, significantly more (p<0.05) than in winter or autumn (13/62). Comparing the breed proportion of hernia cases with other horses with colic, disproportionately high percentages of trotter and thoroughbred horses were found with acquired inguinal herniation. Significant differences of the clinical and laboratory blood parameters were found when more time had passed from the onset of colic until the horses' arrival at the clinic. There was a significant positive correlation between the duration of colic and the onset of gastric reflux, increase of hematocrit and heart rate. Six horses were conservatively and 55 horses surgically treated. The clinic discharge rate was 90.32% (56/62). Early diagnosis and admission to the veterinary clinic and emergency surgery is necessary for equine inguinal hernia. The conservative treatment was successful only in cases of incarcerated inguinal hernia with colic duration less than 4 hours. Equine acquired inguinal herniation carries a good prognosis if the affected horse is rapidly taken to a specialized facility where a conservative or surgical correction is performed promptly.
The aim of this study was to characterize a collection of methicillin-resistant Staphylococcus aureus (MRSA) isolates of human and animal origin from Serbia. In total, 36 MRSA isolates—30 obtained from humans and six from companion animals—were investigated by PCR for the presence of antibiotic and biocide resistance determinants and virulence genes (PVL—Panton–Valentine leukocidin, ETs—exfoliative toxins, TSST—toxic shock syndrome toxin, SEs—staphylococcal enterotoxins, and MSCRAMMs—microbial surface components recognizing adhesive matrix molecules and biofilm). Isolates were analyzed by staphylococcal cassette chromosome mec (SCCmec), spa, and dru typing, as well as by multiple locus variable number of tandem repeat analyses (MLVA), multilocus sequence typing (MLST), and subsequently, eBURST. The majority of human MRSA isolates were resistant to gentamicin, erythromycin, clindamycin, and ciprofloxacin. Different antibiotic resistance genes were detected: aac-aphD, ant(6′)-Ia, erm(A), erm(B), erm(C), tet(K), tet(M), fexA, and catpC221. All isolates were susceptible to teicoplanin and linezolid. SCCmec type III was prevalent in human isolates, while SCCmec elements in animals were mostly nontypeable. t037 was the predominant spa type in human and t242 in animal MRSA isolates. The prevalent dru type was dt11c in human and dt10a in animal MRSA isolates. MRSA isolates exhibited 27 different MLVA types. ST239 was predominant in human, while ST5 was prevalent in canine MRSA isolates. PVL was found in two, while tsst-1 was detected in three human isolates. Human-associated clones belonging to ST5, ST45, and ST239 MRSA clones were discovered in companion animals, which suggests anthropozoonotic transmission.
Introduction: Propolis is a natural composite balsam. In the past decade, propolis has been extensively investigated as an adjuvant for the treatment of periodontitis. This study aimed to investigate antimicrobial activities of propolis solutions and plant essential oils against some oral cariogenic (Streptococcus mutans, Streptococcus mitis, Streptococcus sanguis, Lactobacillus acidophilus) and periodontopathic bacteria (Actinomyces odontolyticus, Eikenella corrodens, Fusobacterium nucleatum). Methodology: Determination of the minimum inhibitory concentration (MIC): The antimicrobial activity of propolis and essential oils was investigated by the agar dilution method. Serial dilutions of essential oils were prepared in plates, and the assay plates were estimated to contain 100, 50, 25 and 12.5 µg/mL of active essential oils. Dilutions for propolis were 50, 25, 12.5 and 6.3 µg/mL of active propolis solutions. Results: Propolis solutions dissolved in benzene, diethyl ether and methyl chloride, demonstrated equal effectiveness against all investigated oral bacteria (MIC=12.5 µg/mL). Propolis solution dissolved in acetone displayed MIC of 6.3 µg/mL only for Lactobacillus acidophilus. At the MIC of 12.5 µg/mL, essential oils of Salvia officinalis and Satureja kitaibelii were effective against Streptococcus mutans and Porphyromonas gingivalis, respectively. For the latter, the MIC value of Salvia officinalis was twice higher. Conclusions: The results indicate that propolis and plant essential oils appear to be a promising source of antimicrobial agents that may prevent dental caries and other oral infectious diseases.
The strains of B. cereus from all the three groups showed high rate of sensitivity to most tested antibiotics, except to tetracycline in samples from human stool and to trimethoprim-sulphamethoxazole in samples from food and environment. The production of β-lactamases was confirmed in all the strains.
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