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Research in Veterinary Science

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https://www.readbyqxmd.com/read/28214681/a-high-temperature-passaging-attenuated-pseudorabies-vaccine-protects-piglets-completely-against-emerging-prv-variant
#1
Chao Liang, Wu Tong, Hao Zheng, Fei Liu, Jiqiang Wu, Guoxin Li, En-Min Zhou, Guangzhi Tong
Emerging variant of pseudorabies virus (PRV) have evaded the antiviral immunity of commercially available PRV vaccine and have led to PRV outbreaks in Chinese pig farms. Here, we attenuated a PRV variant strain by serial passages in vitro and evaluate the protective efficacy of the attenuated strain as a vaccine candidate. The virulent PRV variant strain JS-2012 was continuously passaged in Vero cells at 40°C and attenuated rapidly. After 90 passages in Vero cells, the passaged virus lost its ability to cause death in 2-week-old piglets...
February 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28213270/myocardial-leptin-transcription-in-feline-hypertrophic-cardiomyopathy
#2
Sonja Fonfara, Sarah Kitz, Udo Hetzel, Anja Kipar
Leptin is an adipokine, which is in humans with cardiac disease suspected to be involved in myocardial remodeling and thrombus formation. In cats, however, it is not known whether leptin plays a role in cardiac disease, i.e. hypertrophic cardiomyopathy (HCM) and the presence of an atrial thrombus (AT). The objective of the study was therefore to establish whether leptin is transcribed in the feline myocardium and to compare myocardial leptin mRNA concentrations in cats with HCM with and without AT, and in cats without cardiac diseases...
February 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28199901/cd44-deficiency-enhanced-streptococcus-equi-ssp-zooepidemicus-dissemination-and-inflammation-response-in-a-mouse-model
#3
Qiang Fu, Pingping Xiao, Yaosheng Chen, Zigong Wei, Xiaohong Liu
Streptococcus equi ssp. zooepidemicus (S. zooepidemicus) is responsible for peritonitis, septicemia, meningitis, arthritis and several other serious diseases in various species. Recent studies have demonstrated that CD44 is implicated in the process of host defense against pathogenic microorganisms. In the present study, the role of CD44 in the host response to S. zooepidemicus infection was investigated in a mouse model. Upon intraperitoneal infection with S. zooepidemicus, the expression of CD44 on the peritoneal exudate cells from wild-type (WT) mice was increased...
February 9, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28189298/corrigendum-to-thermal-manipulation-during-broiler-chicken-embryogenesis-effect-on-mrna-expressions-of-hsp108-hsp70-hsp47-and-hsf-3-during-subsequent-post-hatch-thermal-challenge-res-vet-sci-2015-103-211-217
#4
Mohammad-Borhan Al-Zghoul, Abd Elhafeed S Dalab, Imaad E Yahya, Thnaian A Althnaian, Saeed Y Al-Ramadan, Abdelhadi M Ali, Ibrahim F Albokhadaim, Sabri M El-Bahr, Khalid Ahmed Al Busadah, Kevin M Hannon
No abstract text is available yet for this article.
February 8, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28160731/immunological-clinical-haematological-and-oxidative-responses-to-long-distance-transportation-in-horses
#5
Barbara Padalino, Sharanne Lee Raidal, Nicole Carter, Pietro Celi, Gary Muscatello, Leo Jeffcott, Kumudika de Silva
Horses are transported frequently and often over long distances. Transportation may represent a physiological stressor with consequential health and welfare implications. This study reports the effects of a long distance journey on immunological, clinical, haematological, inflammatory and oxidative parameters in an Experimental Group (EG) of ten horses, comparing them with six horses of similar age and breed used as a non-transported Control Group (CG). Clinical examination and blood sampling were performed twice on all horses: immediately after unloading for the EG, and at rest on the same day for the CG (day 1); at rest on the same day one week later for both groups (day 7)...
January 31, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28199899/role-of-outer-membrane-protein-t-in-pathogenicity-of-avian-pathogenic-escherichia-coli
#6
Hassan M A Hejair, Jiale Ma, Yingchu Zhu, Min Sun, Wenyang Dong, Yue Zhang, Zihao Pan, Wei Zhang, Huochun Yao
An outer membrane protein T (OmpT) could play a vital role in the pathogenesis of the neonatal meningitis Escherichia coli (NMEC) in human and animals. However, whether ompT plays a role in avian pathogenic E. coli (APEC) infection remains unclear. In this study we evaluated the potential of ompT in APEC pathogenesis. An ompT gene was deleted from APEC mutant strain (TW-XM) was constructed and characterized. The inactivation of ompT reduced significantly the adherence and invasion capabilities of APEC to mouse brain microvascular endothelial cell (BMEC) bEnd...
January 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28187318/effect-of-maternal-cells-transferred-with-colostrum-on-the-health-of-neonate-calves
#7
Sylvia Marquart Fontes Novo, Juliana Fraça Dos Reis Costa, Camila Costa Baccili, Natália Meirelles Sobreira, Bruno Toledo Silva, Pamella Lorenci de Oliveira, David John Hurley, Viviani Gomes
The objective of this research was to evaluate the influence of cells from colostrum on the health of neonate calves. Animals were distributed in 2 groups: COL+ (n=9) which received fresh colostrum from their own damns; and COL- (n=10) which received frozen colostrums from donors. Heifers were assessed before colostrum intake - D0; D2; D7; D14; D21 and D28. Heifers were monitored by clinical examination, hematological profile and serum iron. COL- had a higher diarrhea intensity score (typically 3) on D7. Moreover, a single case each of bronchopneumonia and navel inflammation were observed in COL- calves...
January 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28171798/distribution-of-bupivacaine-hydrochloride-after-sciatic-and-femoral-nerve-blocks-in-cats-a-magnetic-resonance-imaging-study
#8
Marina C Evangelista, Julie de Lassalle, Christine Chevrier, Eric N Carmel, Denise T Fantoni, Paulo V M Steagall
The objective of this study was to evaluate the distribution of bupivacaine hydrochloride using magnetic resonance imaging (MRI) after electrical nerve stimulator (ENS)-guided sciatic (ScN) and femoral (FN) nerve blocks in cats. Six adult cats (body weight 4.8±0.6kg) were anesthetized with acepromazine-buprenorphine-propofol-isoflurane. Transverse and sagittal plan sequences of pelvic limbs were obtained using a high-field magnet (1.5T). Afterwards, the ScN and FN blocks (one block per limb) were performed using 0...
January 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28161600/equine-viral-arteritis-in-breeding-and-sport-horses-in-central-spain
#9
Fatima Cruz-Lopez, Richard Newton, Ana Sanchez-Rodriguez, Joanne Ireland, Lapo Mughini-Gras, Miguel A Moreno, Paloma Fores
Equine viral arteritis (EVA) may have a high economic impact on breeding stud farms due to the occurrence of EVA-associated abortion outbreaks and the ability of the virus to persist in carrier stallions. While the consequences of EVA in premises with sport horses are usually less severe, the first confirmed outbreak of EVA in Spain occurred in a riding club in Barcelona, but no data on the seroprevalence of EVA in sport horses have been reported in Spain. Given the importance of both Spanish Purebred (SP) breeding horses and sport horses for Spain's equine industry, the aim of this study was to determine and compare the seroprevalence of EVA in these two horse populations in central Spain...
January 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28199900/diagnosis-of-resistance-alleles-in-codon-167-of-the-beta-tubulin-cya-tbb-1-gene-from-third-stage-larvae-of-horse-cyathostomins
#10
Juliana Bana Ishii, Amilcar Arenal, Aline Felix, Ursula Yoshitani, Robin Beech, Marcelo Beltrão Molento
Anthelmintic resistance is a serious problem for the control of equine gastrointestinal nematodes. In the present survey, 173 third stage larvae of cyathostomins were investigated from three different locations for the presence of the resistant genotype at codon 167 of the beta-tubulin gene, as this is the most prevalent mutation. The larvae from the state of Parana (n=67), Sao Paulo (n=54) and Santa Catarina (n=52), showed 61.2; 31.5 and 38.5% of the heterozygous resistant genotype - TTC/TAC, respectively...
January 25, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28157611/the-advancement-of-probiotics-research-and-its-application-in-fish-farming-industries
#11
REVIEW
Goutam Banerjee, Arun Kumar Ray
Fish are always susceptible to a variety of lethal diseases caused by different types of bacterial, fungal, viral and parasitic agents. The unscientific management practises such as, over feeding, high stock densities and destructive fishing techniques increase the probability of disease symptoms in aquaculture industries. According to Food and Agriculture Association (FAO), each and every year several countries such as China, India, Norway, Indonesia, etc. face a huge loss in aquaculture production due to mainly bacterial and viral diseases...
January 23, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28152385/propofol-fentanyl-interaction-in-beagles-apnea-response-to-mechanical-ventilation-endotracheal-tube-and-tetanic-stimulation
#12
T Iizuka, K Masui, T Miyabe-Nishiwaki, H Kanazawa, R Nishimura
The objective of this study was to characterize the propofol-fentanyl interaction in Beagles for four pharmacodynamic endpoints: apnea, response to mechanical ventilation, endotracheal tube, and tetanic stimulation. After anesthesia was induced with varying combinations of propofol and fentanyl, the pharmacodynamic endpoints were assessed in intubated dogs (n=6) using the cross-over design. Effective concentrations of propofol plasma concentration (Cp) and fentanyl Cp were assessed using additive, reduced Greco, Minto, and hierarchical interaction models...
January 23, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28135669/identification-of-genetic-variation-in-nod-like-receptor-2-gene-and-influence-of-polymorphism-on-gene-structure-and-function-in-buffalo-bubalus-bubalis
#13
Asmita Dhiman, S K Mishra, P K Dubey, S Goyal, M Sehgal, S K Niranjan, M Sodhi, B P Mishra, R S Kataria
Nucleotide-binding oligomerization domain (NOD)-like receptor 2 is one of the important mediators of innate as well as adaptive immune response to microbial infections. In this study, NOD-like receptor-2 was characterized by determining the full gene sequence and analyzing genetic diversity in Indian buffaloes. Sequence analysis of buffalo NOD2 revealed 3042 nucleotides long ORF, encoding 1013 amino acids from 12 exons. Domain structure analysis indicated existence of 8 leucine-rich repeat (LRR) domains in buffalo, cattle, sheep and mouse, along with central NACHT/NOD domain and two N-terminal CARD domains...
January 22, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28135670/detection-of-virus-particles-resembling-circovirus-and-porcine-circovirus-2a-pcv2a-sequences-in-feces-of-dogs
#14
Werner Herbst, Hermann Willems
During routine electron microscopy of fecal samples from diarrheic dogs dated from 2000 virus particles resembling circovirus in shape and size were detected in two samples (V2177/00; V3374/00). Polymerase chain reaction (PCR) using primers specific for porcine circovirus type 2 (PCV2) amplified DNA recovered from both samples. Sequencing of PCR amplificates (V2177/00) obtained with PCV2-specific primer pairs revealed a genome size of 1768bp. The nucleotide sequence was highly similar (98% nucleotide identity) to the PCV2a reference sequence...
January 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28131969/longitudinal-changes-in-serum-catecholamines-dopamine-serotonin-acth-and-cortisol-in-pregnant-spanish-mares
#15
María Marcilla, Ana Muñoz, Katy Satué
Systemic physiological changes required for placental and fetal development during pregnancy are associated with an activation of the sympathetic nervous system (SNS) and the hypothalamus-pituitary-adrenal axis (HPA) in women, but this fact has not been investigated in mares. Venous blood samples were taken monthly from 31 successful Spanish mares during the 11months of pregnancy. During the first 4months of pregnancy, adrenaline (AD), dopamine (DOPA) and ACTH increases, whereas 5-hydroxitryptamine (5-HT) decreased, and noradrenaline (NAD) and cortisol (CORT) did not change...
January 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28131968/effect-of-intravenous-plasma-transfusion-on-granulocyte-and-monocyte-oxidative-and-phagocytic-activity-in-dairy-calves-with-failure-of-passive-immunity
#16
Victoria C Yang, Maire C Rayburn, Munashe Chigerwe
Plasma administration has been recommended in calves older than 48h with failure of passive immunity (FPI) to provide immunity consistent with adequate colostral ingestion. However, the protective serum immunoglobulin G (IgG) concentrations (≥1000mg/dL) of plasma derived IgG only lasts up to 12h. In addition to IgG, maternally derived colostral cells also confer immunity. The objective of the study was to determine the effect of intravenous plasma transfusion on granulocyte and monocyte oxidative and phagocytic activity in calves with FPI...
January 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28130998/investigations-and-implications-of-associations-between-mycobacterial-purified-protein-derivative-hypersensitivity-and-map-antibody-elisa-in-irish-dairy-cows
#17
A E Kennedy, N Byrne, J O'Mahony, R G Sayers
Intradermal testing, involving administration of purified protein derivative (PPD), to elicit a delayed hypersensitivity (DTH) response, is used as a diagnostic tool for bovine tuberculosis (bTB) and to aid in the identification of exposure to Mycobacterium avium subspecies paratuberculosis (MAP), the causative agent of Johne's disease (JD). Further research is required to increase the diagnostic value of skin testing for MAP. The aim of this study was to investigate if animals showing DTH reactions to PPD had an associated increase in MAP ELISA response, thereby identifying potential cases of sub-clinical JD...
January 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28135671/innate-immune-response-in-neonate-holstein-heifer-calves-fed-fresh-or-frozen-colostrum
#18
Juliana França Dos Reis Costa, Sylvia Marquart Fontes Novo, Camila Costa Baccili, Natália Meirelles Sobreira, David John Hurley, Viviani Gomes
The aim of this research was to evaluate the influence of maternal cells from colostrum on the development and function of the innate immune response in Holstein calves. Calves were divided into 2 groups: COL+ (n=10) received fresh colostrum; and COL- (n=10) which received frozen colostrum containing no viable cells. The calves were assessed before colostrum intake (D0), 48h of age (D2), and weekly from D7 up to D28. Blood samples were collected for analysis of the distribution of leukocytes, cellular phenotype and in vitro granulocyte function...
January 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28131880/homocysteine-measurement-in-pig-saliva-assay-validation-and-changes-after-acute-stress-and-experimental-inflammation-models-a-pilot-study
#19
F Tecles, D Escribano, S Martínez-Miró, J J Cerón
High homocysteine (Hcy) concentration in serum has been associated to stress and inflammation in humans, but this association has not been studied in saliva in any animal species. The purpose of this research was to study salivary Hcy levels in pigs under stressful and inflammatory conditions. A commercially available enzyme-linked immunosorbent assay specific for Hcy determination in pigs was adapted and validated in saliva, yielding reproducible and accurate results. Hcy was measured in paired serum-saliva samples and no correlation was observed between serum and salivary Hcy...
January 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28126698/identification-of-arcanobacterium-hippocoleae-by-maldi-tof-ms-analysis-and-by-various-genotypical-properties
#20
J-P Wickhorst, O Sammra, A A Hassan, M Alssashen, C Lämmler, E Prenger-Berninghoff, M Erhard, M Metzner, K Paschertz, M Timke, A Abdulmawjood
In the present study an Arcanobacterium hippocoleae strain isolated from a uterus swab of an apparently healthy mare could be identified by phenotypic properties, by MALDI-TOF MS analysis and genotypically by investigating the molecular targets 16S rDNA, 16S-23S rDNA intergenic spacer region and the genes encoding the β subunit of bacterial RNA polymerase (rpoB), elongation factor tu (tuf) and glyceraldehyde 3-phosphate dehydrogenase (gap). The presented data are one of the few reports about the species A...
January 17, 2017: Research in Veterinary Science
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