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Veterinary Journal

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https://www.readbyqxmd.com/read/28093116/captive-and-free-living-urban-pigeons-columba-livia-from-brazil-as-carriers-of-multidrug-resistant-pathogenic-escherichia-coli
#1
Clarissa A Borges, Renato P Maluta, Lívia G Beraldo, Marita V Cardozo, Elisabete A L Guastalli, Subhashinie Kariyawasam, Chitrita DebRoy, Fernando A Ávila
Thirty Escherichia coli isolates from captive and free-living pigeons in Brazil were characterised. Virulence-associated genes identified in pigeons included those which occur relatively frequently in avian pathogenic E. coli (APEC) from commercial poultry worldwide. Eleven of 30 E. coli isolates from pigeons, belonging mainly to B1 and B2 phylogenetic groups, had high or intermediate pathogenicity for 1-day-old chicks. The frequency of multi-drug resistant (MDR) E. coli in captive pigeons was relatively high and included one isolate positive for the extended-spectrum β-lactamase (ESBL) gene blaCTX-M-8...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093115/use-of-an-implantable-pump-for-controlled-subcutaneous-insulin-delivery-in-healthy-cats
#2
E Zini, I Padrutt, K Macha, A Riederer, M Pesaresi, T A Lutz, C E Reusch
The aim of this study was to examine the safety and reliability of a research-grade implantable pump for controlled delivery of insulin glargine in cats. For this purpose, a small telemetrically controlled drug delivery pump with a refillable reservoir was implanted into the subcutaneous tissues of the dorsal neck in 10 clinically healthy cats. The reservoir was filled with insulin glargine, and the pump was programmed to deliver four boluses of 0.25 IU/kg, 2-3 weeks apart. As a control, insulin glargine (0...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093114/in-vitro-effects-of-the-toll-like-receptor-agonists-monophosphoryl-lipid-a-and-cpg-rich-oligonucleotides-on-cytokine-production-by-equine-cells
#3
A Ziegler, V Gerber, E Marti
Insect bite hypersensitivity (IBH) is an equine allergic dermatitis to Culicoides spp. antigens. Attempts at using allergen-specific immunotherapy (AIT) as a treatment for IBH have so far proven unsuccessful. Toll-like receptor (TLR) agonists can promote a shift in the immune response from the allergy-promoting T helper cell 2 (Th2) response towards a Th1 and/or regulatory response. The aim of this study was to evaluate two immunomodulatory TLR agonists in vitro as potential vaccine adjuvants for a more efficacious AIT in IBH...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093113/a-new-year-for-the-veterinary-journal
#4
EDITORIAL
Adrian W Philbey, Annette L Litster
No abstract text is available yet for this article.
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093112/clinical-indicators-of-blood-gas-disturbances-elevated-l-lactate-concentration-and-other-abnormal-blood-parameters-in-newborn-beef-calves
#5
E R Homerosky, N A Caulkett, E Timsit, E A Pajor, J P Kastelic, M C Windeyer
Blood gas disturbances, commonly resulting from dystocia, are associated with failed transfer of passive immunity, morbidity and mortality in newborn calves. Modified APGAR scores intended to identify compromised calves are not widely adopted due to lack of practicality and inconsistent associations with blood parameters. The objective of this study was to determine clinical indicators of acidemia in newborn beef calves. Blood parameters at 10 min and 24 h after birth were compared to at-birth clinical examination parameters and calving characteristics in 77 commercial beef calves...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093111/efficacy-of-tildipirosin-metaphylaxis-for-the-prevention-of-respiratory-disease-otitis-and-mortality-in-pre-weaned-holstein-calves
#6
A G V Teixeira, J A A McArt, R C Bicalho
The aim of this study was to evaluate the efficacy of two metaphylactic approaches (long acting antibiotic injected once at 10 days of life or twice at 10 and 35 days of life) on the prevention of bovine respiratory disease (BRD), otitis and mortality in high-risk group-housed pre-weaned Holstein heifer calves. The antibiotic of choice for the metaphylactic approach was a long acting macrolide (tildipirosin) administered subcutaneously at the base of the neck at a dose of 1 mL per 45 kg body weight. A clinical trial was carried out on one dairy farm with random allocation of newborn calves to one of three treatments: (1) control (CTR); (2) one injection at 10 days of life (M1); and (3) two injections at 10 and 35 days of life (M2)...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093110/furthering-our-understanding-of-positive-urine-cultures-in-dogs
#7
EDITORIAL
Mary F Thompson
No abstract text is available yet for this article.
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093109/neonatal-anaplasma-platys-infection-in-puppies-further-evidence-for-possible-vertical-transmission
#8
I A Matei, S Stuen, D Modrý, A Degan, G D'Amico, A D Mihalca
Anaplasma platys, the aetiological agent of infectious canine cyclic thrombocytopaenia, infects platelets of dogs, usually causing mild or asymptomatic disease. Although A. platys is transmitted by ticks, as for other Anaplasma species, alternative modes of transmission may be involved. The aim of the present study was to evaluate the occurrence of A. platys infection in litters of puppies, which could suggest possible vertical transmission. Twelve litters, together with the respective bitches, were included in the study for the detection of A...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093108/antimicrobial-stewardship-in-the-treatment-of-equine-bacterial-infections
#9
EDITORIAL
Imogen Johns
No abstract text is available yet for this article.
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093107/characterization-and-identification-of-microbial-communities-in-bovine-necrotic-vulvovaginitis
#10
N Y Shpigel, L Adler-Ashkenazy, S Scheinin, T Goshen, A Arazi, Z Pasternak, Y Gottlieb
Bovine necrotic vulvovaginitis (BNVV) is a severe and potentially fatal disease of post-partum cows that emerged in Israel after large dairy herds were merged. While post-partum cows are commonly affected by mild vulvovaginitis (BVV), in BNVV these benign mucosal abrasions develop into progressive deep necrotic lesions leading to sepsis and death if untreated. The etiology of BNVV is still unknown and a single pathogenic agent has not been found. We hypothesized that BNVV is a polymicrobial disease where the normally benign vaginal microbiome is remodeled and affects the local immune response...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093106/genetic-and-epigenetic-aberrations-of-p16-in-feline-primary-neoplastic-diseases-and-tumor-cell-lines-of-lymphoid-and-non-lymphoid-origins
#11
H Mochizuki, A Fujiwara-Igarashi, M Sato, Y Goto-Koshino, K Ohno, H Tsujimoto
The p16 gene acts as a tumor suppressor by regulating the cell cycle and is frequently inactivated in human and canine cancers. The aim of this study was to characterize genetic and epigenetic alterations of the p16 in feline lymphoid and non-lymphoid malignancies, using 74 primary tumors and 11 tumor cell lines. Cloning of feline p16 and subsequent sequence analysis revealed 11 germline sequence polymorphisms in control cats. Bisulfite sequencing analysis of the p16 promoter region in a feline lymphoma cell line revealed that promoter methylation was associated with decreased mRNA expression...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093105/comparison-of-submaximal-exercise-test-results-and-severity-of-brachycephalic-obstructive-airway-syndrome-in-english-bulldogs
#12
Liisa Lilja-Maula, Anu K Lappalainen, Heli K Hyytiäinen, Erja Kuusela, Mirja Kaimio, Kirsti Schildt, Sari Mölsä, Mikael Morelius, Minna M Rajamäki
Canine brachycephalic obstructive airway syndrome (BOAS) is a complex respiratory disease related to congenitally flattened facial and skull anatomy. BOAS causes respiratory distress, heat and exercise intolerance, and gastrointestinal signs. English bulldogs (EB) have a high prevalence of BOAS. Currently, the severity of BOAS signs in veterinary practice is assessed subjectively. To reduce BOAS in brachycephalic breeds, an objective and easy-to-use tool could help breeders select healthier animals. Exercise tests, such as the 6 min walk test (distance walked measured) or the 1000 m walk test (duration measured), could be used to assess the severity of BOAS, as exercise intolerance and impaired recovery are key features of BOAS...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093104/faecal-shedding-of-canine-parvovirus-after-modified-live-vaccination-in-healthy-adult-dogs
#13
M Freisl, S Speck, U Truyen, S Reese, A-L Proksch, K Hartmann
Since little is known about the persistence and faecal shedding of canine parvovirus (CPV) in dogs after modified-live vaccination, diagnostic tests for CPV can be difficult to interpret in the post-vaccination period. The primary aim of this study was to determine the incidence, duration and extent of CPV vaccine virus shedding in adult dogs and to investigate related factors, including the presence of protective antibodies, increase in anti-CPV antibody titres and development of any gastrointestinal side-effects...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093103/urinary-3-hydroxypropyl-mercapturic-acid-3-hpma-concentrations-in-dogs-with-acute-spinal-cord-injury-due-to-intervertebral-disc-herniation
#14
A M Sangster, L Zheng, R T Bentley, R Shi, R A Packer
The aim of this study was to investigate urinary 3-hydroxypropyl mercapturic acid (3-HPMA), a metabolite of acrolein, as a novel biomarker in acute spinal cord injury (ASCI) due to intervertebral disc herniation in dogs. Urine from 10 client-owned dogs with ASCI collected at presentation and 10 control dogs was analyzed for 3-HPMA. The median urinary 3-HPMA concentration in ASCI dogs was significantly higher than in control dogs, but was not correlated with the severity of ASCI. The median urinary 3-HPMA concentration in intact dogs was higher than in neutered dogs...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28093102/proteomic-changes-in-the-ileum-of-sheep-infected-with-mycobacterium-avium-subspecies-paratuberculosis
#15
S Pisanu, T Cubeddu, S Uzzau, S Rocca, M F Addis
Johne's disease (JD) is a chronic enteritis of ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). To identify the processes activated in the sheep intestine during natural MAP infection, and to provide a panel of differential host and pathogen proteins with diagnostic and prognostic potential, a differential shotgun proteomics workflow, including mass spectrometry, label-free quantisation and pathway analysis, was applied to ileal tissues of ewes with and without JD. Out of 2889 total proteins identified, 384 were differentially expressed and 341 were expressed at a higher level in JD...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/27938714/the-welfare-risks-and-impacts-of-heat-stress-on-sheep-shipped-from-australia-to-the-middle-east
#16
REVIEW
Clive Phillips
This review considers the welfare issues confronting sheep due to heat stress on board ships undertaking long distance voyages. Sheep engage in behavioural and physiologic mechanisms to attempt to mitigate heat stress, but the evidence from Australian shipments from 2005 to 2014 is that mortality approximately doubles when sheep are transported from Australia in winter to the Middle East in summer. Much of this increase has been attributed to salmonellosis and inanition, but this may have been mistaken for, or exacerbated by, heat stress...
December 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27938713/cellular-response-markers-and-cytokine-gene-expression-in-the-central-nervous-system-of-cattle-naturally-infected-with-bovine-herpesvirus-5
#17
T C Cardoso, H L Ferreira, L H Okamura, T P Giroto, B R S M Oliveira, C U F Fabri, R Gameiro, E F Flores
The present study reports an investigation on the phenotype of inflammatory and immune cells, cytokine and viral gene expression in the brains of cattle naturally infected with bovine herpesvirus 5 (BHV5). Brain sections of 38 affected animals were analysed for the nature and extent of perivascular cuffs in the Virchow-Robin space and parenchyma. Histopathological changes were severe in the olfactory bulbs (Obs), hippocampus, piriform, frontal, temporal and parietal cortices/lobes and were characterized by inflammatory infiltrates in Virchow-Robin spaces...
December 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27938712/the-stability-and-microbial-contamination-of-bupivacaine-lidocaine-and-mepivacaine-used-for-lameness-diagnostics-in-horses
#18
D M T Adler, C Cornett, P Damborg, D R Verwilghen
Local anaesthetics (LAs) are frequently used for diagnostic procedures in equine veterinary practice. The objective of this study was to investigate the physico-chemical stability and bacterial contamination of bupivacaine, lidocaine and mepivacaine used for lameness examinations in horses. The LAs were stored in 12 different groups at different temperatures (-18 °C to 70 °C), light intensities and in common veterinary field conditions for up to 16 months. The pH, presence of bacterial contamination and concentrations of LAs and methylparaben (a preservative present in lidocaine) were determined serially in both new and repeatedly punctured (RP) vials...
December 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27938711/activity-of-florfenicol-for-actinobacillus-pleuropneumoniae-and-pasteurella-multocida-using-standardised-versus-non-standardised-methodology
#19
L Dorey, S Hobson, P Lees
Four indices of antimicrobial potency were determined for florfenicol and the pig pneumonia pathogens, Actinobacillus pleuropneumoniae and Pasteurella multocida. Minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), mutant prevention concentration (MPC) and time-kill curves were determined in two matrices, broth and pig serum. Five overlapping sets of two-fold dilutions were used to increase accuracy of the measurements. MIC and MBC serum:broth ratios for A. pleuropneumoniae were 0...
December 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27938710/comparison-of-standardised-versus-non-standardised-methods-for-testing-the-in-vitro-potency-of-oxytetracycline-against-mannheimia-haemolytica-and-pasteurella-multocida
#20
P Lees, J Illambas, L Pelligand, P-L Toutain
The in vitro pharmacodynamics of oxytetracycline was established for six isolates of each of the calf pneumonia pathogens Mannheimia haemolytica and Pasteurella multocida. Minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC) and bacterial time-kill curves were determined in two matrices, Mueller Hinton broth (MHB) and calf serum. Geometric mean MIC ratios, serum:MHB, were 25.2:1 (M. haemolytica) and 27.4:1 (P. multocida). The degree of binding of oxytetracycline to serum protein was 52...
December 2016: Veterinary Journal
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