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BMC Veterinary Research

Alexander Tavella, Astrid Bettini, Monia Cocchi, Ilda Idrizi, Stefano Colorio, Laura Viel, Claudia Zanardello, Patrik Zanolari
BACKGROUND: Streptococcus agalactiae is pathogenic for both animals and humans. In dairy cattle it commonly causes mastitis, with great economic losses, and there is scientific evidence of mastitis, caseous lymphadenitis, contagious skin necrosis and purulent infections associated with S. agalactiae in camels (Camelus dromedarius) as well. In humans, it is a common component of the respiratory and gastrointestinal microflora, but it can also act as a pathogen, especially in elderly people and immunocompromised patients, as well as in pregrant women and newborns...
November 13, 2018: BMC Veterinary Research
Chimedtseren Bayasgalan, Tungalag Chultemdorj, Felix Roth, Jakob Zinsstag, Jan Hattendorf, Battsetseg Badmaa, Bayanzul Argamjav, Esther Schelling
BACKGROUND: More information on brucellosis epidemiology in Bactrian camels is needed due to their growing economic and livelihood importance for herders and renewed efforts in Mongolia to eliminate brucellosis through mass vaccination of ruminants excluding camels. Brucellosis prevalence in camels increased over the past two decades. Random multi-stage cluster surveys were done in the Eastern provinces of Dornod and Sukhbaatar in 2013 and 2014 and in the Southern & Western provinces of Dornogobi, Umnogobi and Khovd in 2014 and 2015...
November 13, 2018: BMC Veterinary Research
Ralf S Mueller, Thierry Olivry
BACKGROUND: Many reports describe the cutaneous signs of adverse food reactions (AFR) in the dog and cat. However, various non-cutaneous clinical signs are less well described. Our objective was to systematically evaluate these non-cutaneous signs of AFR in small animals. RESULTS: We searched two databases (MEDLINE and Web of Science) for pertinent references on non-cutaneous signs of adverse food reactions. Among 117 and 764 articles found in the MEDLINE and Web of Science databases, respectively, we selected 47 articles that reported data related to non-cutaneous clinical signs of AFR...
November 12, 2018: BMC Veterinary Research
Naouel Feknous, Jean-Baptiste Hanon, Marylène Tignon, Hamza Khaled, Abdallah Bouyoucef, Brigitte Cay
BACKGROUND: Border disease virus (BDV) is a pestivirus responsible for significant economic losses in sheep industry. The present study was conducted between 2015 and 2016 to determine the flock seroprevalence of the disease in Algeria and to identify associated risk factors. 56 flocks from nine departments were visited and 689 blood samples were collected from adult sheep between 6 and 24 months of age (n = 576) and from lambs younger than 6 months (n = 113). All samples were tested by RT-PCR as well as by Ag-ELISA, to detect Persistently Infected (PI) animals...
November 12, 2018: BMC Veterinary Research
Igor Louzada Moreira, Davi Emanuel Ribeiro de Sousa, Jair Alves Ferreira-Junior, Márcio Botelho de Castro, Tayná Cardim Morais Fino, José Renato Junqueira Borges, Benito Soto-Blanco, Antonio Carlos Lopes Câmara
BACKGROUND: Paralytic form of rabies is frequent in cattle in Latin America, but it is uncommon in goats. There are few clinical reports on furious rabies affecting goats, and the sporadic cases of rabid goats from surveillance programs worldwide lack clinical data. Furthermore, few studies reported the cerebrospinal fluid findings in rabid livestock. CASE PRESENTATION: On a farm in Midwestern Brazil, six of 47 Saanen goats died within one week. No vaccination protocols were implemented on the farm and the owner stated bat bites history on the livestock...
November 12, 2018: BMC Veterinary Research
Kuastros Mekonnen Belaynehe, Seung Won Shin, Han Sang Yoo
BACKGROUND: Carriage of antibiotic-resistant foodborne pathogens by food production animals is one of many contributors to treatment failure in health care settings, and it necessitates an integrated approach to investigate the carriage of resistant pathogens harboring integrons in food-producing animals. METHODS: Escherichia coli isolates with reduced susceptibility to tetracycline antibiotics (n = 92) were tested for associations between carriage of class1 integrons, phylogenetic group affiliation and tetracycline resistance determinants using the MIC method, PFGE analysis, PCR and sequencing...
November 12, 2018: BMC Veterinary Research
Jianhua Liu, Lianrui Liu, Lingjuan Li, Di Tian, Wenyu Li, Lixin Xu, Ruofeng Yan, Xiangrui Li, Xiaokai Song
BACKGROUND: Avian coccidiosis is often caused by co-infection with several species of Eimeria worldwide. Developing a multivalent vaccine with an antigen common to multiple Eimeria species is a promising strategy for controlling clinical common co-infection of Eimeria. In the previous study, 14-3-3 was identified as one of the immunogenic common antigen in E. tenella, E. acervulina and E. maxima. The aim of the present study was to evaluate the immunogenicity and protective efficacy of Ea14-3-3 in the form of DNA vaccine against infection with three species of Eimeria both individually and simultaneously...
November 12, 2018: BMC Veterinary Research
Marco Aurélio A Pereira, Lucas A Gonçalves, Marina C Evangelista, Rosana S Thurler, Karina D Campos, Maira R Formenton, Geni C F Patricio, Julia M Matera, Aline M Ambrósio, Denise T Fantoni
BACKGROUND: Surgical sterilization of cats is one of the most commonly performed procedures in veterinary practice and it can be accomplished by two different techniques: ovariohysterectomy (OVH) or ovariectomy (OVE). Although there is an apparent preference for OVH in United States and Canada, OVE seems to be the standard of care in many European countries due to its advantages, such as a smaller surgical incision and potentially less complications associated with surgical manipulation of the uterus...
November 8, 2018: BMC Veterinary Research
Amilcar Arenal, Yipsi García, Lídice Quesada, Dayamis Velázquez, Diamela Sánchez, Mayelin Peña, Asnaldo Suárez, Arnielis Díaz, Yuliet Sánchez, Stijn Casaert, Jan van Dijk, Jozef Vercruysse, Johannes Charlier
BACKGROUND: Worldwide, Fasciola hepatica infection causes high production losses in the livestock industry. Recently, studies have analyzed the association between measurements of F. hepatica infection intensity and herd management practices. The aim of the present study, the first of its kind in a subtropical region, was to evaluate associations between F. hepatica bulk-tank milk ELISA results with herd management factors and milk yield in dairy herds, in Camagüey, Cuba. The SVANOVIR® F...
November 8, 2018: BMC Veterinary Research
C King, M Smith, K Currie, A Dickson, F Smith, M Davis, P Flowers
BACKGROUND: Multi-drug resistant bacteria are an increasing concern in both human and veterinary medicine. Inappropriate prescribing and use of antibiotics within veterinary medicine may be a contributory factor to antimicrobial resistance (AMR). The 'One Health' Initiative aims to work across species and environments to reduce AMR, however; little is currently known about the factors which influence antibiotic prescribing among veterinary surgeons in companion animal practice. This paper reports on qualitative data analysis of interviews with veterinary surgeons whose practice partially or wholly focuses on companion animals (N = 16)...
November 7, 2018: BMC Veterinary Research
Sebastiaan A van Nimwegen, Bart Van Goethem, Jeffrey de Gier, Jolle Kirpensteijn
BACKGROUND: Surgical treatment of ovarian remnant syndrome (ORS) in dogs usually necessitates large celiotomies and considerable manipulation of organs because of the relatively deep position of ovarian remnant tissue, large patient size, and often encountered adhesions. In women, laparoscopic treatment of ORS is successful and has significant advantages over laparotomy. Since laparoscopic ovariectomy has significant advantages over open ovariectomy in dogs, including reduced surgical stress and postoperative pain and shorter convalescence period, the rationale for a laparoscopic approach of canine ORS is evident...
November 7, 2018: BMC Veterinary Research
Eunhye Kim, Seon-Ung Hwang, Junchul David Yoon, Hyunggee Kim, Gabsang Lee, Sang-Hwan Hyun
BACKGROUND: The porcine brain is gyrencephalic with similar gray and white matter composition and size more comparable to the human rather than the rodent brain; however, there is lack of information about neural progenitor cells derived from this model. RESULTS: Here, we isolated GFAP-positive porcine neural stem cells (NSCs) from the brain explant of a transgenic piglet, with expression of CreERT2 under the control of the GFAP promoter (pGFAP-CreERT2 ). The isolated pGFAP-CreERT2 NSCs showed self-renewal and expression of representative NSC markers such as Nestin and Sox2...
November 7, 2018: BMC Veterinary Research
Marianne Kaiser, Stine Jacobsen, Pia Haubro Andersen, Poul Bækbo, José Joaquin Cerón, Jan Dahl, Damián Escribano, Peter Kappel Theil, Magdalena Jacobson
BACKGROUND: Postpartum dysgalactia syndrome (PDS) in sows is difficult to diagnose and the pathogenesis is obscure. Hormonal changes related to the disease are often difficult to distinguish from those found in the normal transition period from gestation to lactation. The study aimed to investigate metabolic and hormonal changes related to PDS with the goal of identifying potential biomarkers in sows suffering from PDS (PDS+). Selected biomarkers were examined by comparing 38 PDS+ sows with 38 PDS negative (PDS-) sows...
November 7, 2018: BMC Veterinary Research
Nimita Kant, Parul Kulshreshtha, Rashmi Singh, Anuradha Mal, Amita Dwivedi, Riya Ahuja, Rinkle Mehra, Mohit Tehlan, Paritosh Ahmed, Shilpa Kaushik, Shipra, Shashikant Kumar, Aas Mohammad, Shrikrishn Shukla, Damini Singh, Rakesh Bhatnagar
BACKGROUND: India has the largest Buffalo population in the world, with every household in rural India owning buffaloes depending upon daily milk requirement - dairy farmers can own between 10 to 70 buffaloes. The health of Indian buffaloes is of economic importance since India is one of the largest buffalo meat exporters in the world, and Indian Buffalo semen is sold in the USA for breeding purposes. However, National Control Program on brucellosis is only active in South India and in Panjab (a North Indian state with high human brucellosis incidence)...
November 6, 2018: BMC Veterinary Research
Edyta Mikuła, Cristiane Erdmann Silva, Edyta Kopera, Konrad Zdanowski, Jerzy Radecki, Hanna Radecka
BACKGROUND: In this work, we report an electrochemical biosensor for the detection of anti-hemagglutinin antibodies against the swine virus H1N1 present in mice sera immunized with mixture of His6 -H1 HA in monomeric and oligomeric form. The oriented immobilization of the recombinant His-tagged hemagglutinin (His6 -H1 HA) consists of: (i) formation of a mixed layer of 4-mercaptobutanol (MBT) and the thiol derivative of dipyrromethene (DPM); (ii) complexation of Cu (II) by DPM; (iii) immobilization of His6 -H1 HA via coordination bonds between Cu (II) sites from DPM-Cu (II) complex and imidazole nitrogen atoms of a histidine tag; (iv) filling free spaces with bovine serum albumin...
November 6, 2018: BMC Veterinary Research
James C Ferguson, Stefan Tangl, Dirk Barnewitz, Antje Genzel, Patrick Heimel, Veronika Hruschka, Heinz Redl, Thomas Nau
BACKGROUND: The need for bone graft substitutes including those being developed to be applied together with new strategies of bone regeneration such as tissue engineering and cell-based approaches is growing. No large animal model of bone regeneration has been accepted as a standard testing model. Standardization may be the key to moving systematically towards better bone regeneration. This study aimed to establish a model of bone regeneration in the sheep that lends itself to strict standardization and in which a number of substances can be tested within the same animal...
November 6, 2018: BMC Veterinary Research
Álvaro Álvarez-Estrada, César B Gutiérrez-Martín, Elías F Rodríguez-Ferri, Sonia Martínez-Martínez
BACKGROUND: Haemophilus (Glässerella) parasuis is the etiological agent of Glässer's disease in pigs. Control of this disorder has been traditionally based on bacterins. The search for alternative vaccines has focused mainly on the study of outer membrane proteins. This study investigates the transcriptome of H. (G.) parasuis serovar 5 subjected to in vitro conditions mimicking to those existing during an infection (high temperature and iron-restriction), with the aim of detecting the overexpression of genes coding proteins exposed on bacterial surface, which could represent good targets as vaccine candidates...
November 6, 2018: BMC Veterinary Research
Henning Richter, Agnieszka Karol, Katja Nuss, Aymone Lenisa, Erika Bruellmann, Stella-Saphira Maudens, Heinrich Hoffmann, Brigitte von Rechenberg, Patrick R Kircher
BACKGROUND: Objective of this study is a feasibility-test comparing hock- and footpad-injection in rats with inoculated MatLyLu - adenocarcinoma tumor model. This study compares the development of an adenocarcinoma model (MatLyLu) in 12 Copenhagen rats. Two groups (n = 6) of animals were inoculated with 1 × 106 MatLyLu tumor cells solved in 0.1 ml NaCl either by footpad or hock injection. All animals were examined before tumor inoculation and before euthanasia using a 3.0 Tesla MRI...
November 6, 2018: BMC Veterinary Research
Long Liu, Qian Wang, Qianqian Wang, Xing Zhao, Pan Zhao, Tuoyu Geng, Daoqing Gong
BACKGROUND: A short period of overfeeding can lead to severe hepatic steatosis in the goose, which is physiological, suggesting that geese, as a descendent of a migrating ancestor, may have evolutionally developed a unique mechanism that operates in contrast to the mechanism underlying pathological fatty liver in humans or other mammals. In this study, we report that suppression of miR29c and upregulation of its target genes in goose fatty liver vs. normal liver could be part of a unique mechanism that contributes to the regulation of energy homeostasis and cell growth...
November 6, 2018: BMC Veterinary Research
Tracy Schmidt, Marleen M Kock, Marthie M Ehlers
BACKGROUND: Coagulase-negative staphylococci (CoNS) are among the leading bacterial causes of bovine mastitis in many dairy-producing countries. Among the challenges associated with the specific diagnosis of CoNS infections is the biochemical heterogeneity of the species in the genus and the unavailability of accurate, cost-effective and up-to-date diagnostic tests. A previous study investigating the diversity of CoNS associated with cases of bovine mastitis in South Africa, resulted in six CoNS isolates which could not be identified despite the use of a combination of different molecular assays...
November 3, 2018: BMC Veterinary Research
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