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Acta Veterinaria Hungarica

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https://www.readbyqxmd.com/read/28244343/effect-of-two-low-doses-of-prostaglandin-f2%C3%AE-on-luteolysis-in-dairy-cows
#1
Tsung-Ching Liu, Chia-Yu Ho, Jacky Peng-Wen Chan
In this preliminary study, we determined the effect of a modified method involving the administration of two low doses of prostaglandin F2α (PGF2α) at an interval of 24 h on luteolysis in dairy cows, and compared it with the standard single-dose method. Twenty-six cows were assigned to three groups treated with two low doses (TLD group, n = 10), one standard dose (SD group, n = 10), and one low dose (OLD group, n = 6) on day 9 to 10 of the oestrous cycle (day 0 = the day of PGF2α administration). Their serum progesterone (P4) levels and corpus luteum (CL) sizes were measured daily from day 0 to 4 to assess CL regression...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244342/endometrial-mrna-expression-of-prostaglandin-synthase-enzymes-ptgs-2-ptgfs-and-mptges-1-in-repeat-breeding-cows-with-cytologically-determined-endometritis
#2
Tomasz Janowski, Wojciech Barański, Karolina Łukasik, Dariusz Skarżyński, Sławomir Zduńczyk, Katarzyna Malinowska
Little is known about the inflammatory response of the endometrium in repeat-breeding cows with subclinical endometritis (SE). The objective of this study was to evaluate the mRNA expression of prostaglandin-endoperoxide synthase 2 (PTGS 2), prostaglandin F2α synthase (PTGFS) and prostaglandin E2 microsomal synthase 1 (mPTGES 1) in the endometrium of repeat-breeding cows with and without SE. SE was diagnosed cytologically using the cytobrush method, with the threshold being set at 5% polymorphonuclear neutrophils...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244341/re-emergence-of-bovine-haemorrhagic-septicaemia-in-hungary
#3
Tibor Magyar, Barbara Ujvári, Levente Szeredi, Norbert Virsinger, Ervin Albert, Zoltán Német, Edit Csuka, Imre Biksi
This paper reports an outbreak of haemorrhagic septicaemia caused by Pasteurella multocida B:2 in beef calves, a disease that has not been described in the Hungarian literature since 1943, and has not been reported to the World Organisation For Animal Health (OIE) since 1970. Acute haemorrhagic septicaemia was confirmed in beef calves on one small farm, and was suspected on two further nearby holdings with concomitant unexplained losses. The source of the infection could not be determined. Apart from a short duration of depression and loss of appetite, the affected calves developed characteristic distal limb oedema...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244340/lack-of-germline-mutation-at-codon-211-of-the-prion-protein-gene-prnp-in-korean-native-cattle-short-communication
#4
Yong-Chan Kim, Byung-Hoon Jeong
Bovine prion diseases are composed of two types of bovine spongiform encephalopathy (BSE), classical BSE and atypical BSE. Recent studies have identified one case of atypical BSE with an E211K mutation. E211K is homologous to the human E200K mutation, which is related to familial Creutzfeldt-Jakob disease (CJD), one of the familial forms of human prion diseases. To date, familial forms of prion diseases have not been reported in non-human animals. Because the familial forms of human prion diseases account for more than 10% of all human prion disease cases, the detection of the E211K mutation in healthy cattle is very important for verifying the role of this mutation as a familial form of BSE...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244339/diverse-chlamydia-like-agents-associated-with-epitheliocystis-infection-in-two-cyprinid-fish-species-the-common-carp-cyprinus-carpio-l-and-the-gibel-carp-carassius-auratus-gibelio-l
#5
Boglárka Sellyei, Kálmán Molnár, Csaba Székely
During a general annual fish health survey in natural waters and ponds, epitheliocystis infections were recorded in fingerlings of two cyprinid fish species, the cultured common carp and the wild gibel carp. Benign and heavy infections were equally observed without mortality. In addition to the general health inspection of fish, histopathological examinations of infected gills and molecular biological investigations of separated epitheliocysts were performed. Epitheliocysts were formed both in the interlamellar epithelial cells and in the lamella-free multilayered epithelium of the gill filaments...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244338/imbalance-of-intestinal-immune-function-in-piglets-infected-by-porcine-circovirus-type-2-during-the-fetal-period
#6
Yu Mao, Jin Jun Li, Yuan Liu, Wei Dong, Pei Pang, Zhi Bang Deng
Porcine circovirus type 2- (PCV2-) associated reproductive disorders and enteritis have commonly been observed on PCV2-contaminated pig farms in recent years. In order to investigate disorders of intestinal immunity in piglets infected by PCV2 during the fetal period, 9 PCV2b-infected piglets and 6 non-infected piglets at one day of age were selected and euthanised prior to suckling. Samples of mesenteric lymph nodes (MLNs) and duodena were collected to investigate factors related to intestinal immunity and to detect lymphocytic apoptosis...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244337/effect-of-current-intensity-and-duration-on-the-effectiveness-of-head-only-electrical-stunning-in-pigs-under-commercial-conditions
#7
Ákos Végh, Zsolt Abonyi-Tóth, Pál Rafai
After head-only electrical stunning of pigs sequential animal-based measurements were carried out right after stunning as well as before and after bleeding in order to analyse how unconsciousness is achieved and maintained in relation to recorded and calculated technical parameters such as electric current intensity, electric work, duration of stunning, and stun-to-bloodletting period. The measurements were performed at three different slaughterhouses on 9 different days under routine slaughtering conditions...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244336/characterisation-of-the-nucleic-acid-binding-features-of-the-prrsv-7ap-and-its-ability-to-induce-antinuclear-antibodies
#8
Ferenc Olasz, Béla Dénes, Ádám Bálint, Tibor Magyar, Sándor Belák, Zoltán Zádori
A short alternative open reading frame named ORF7a has recently been discovered within the nucleocapsid gene of the porcine reproductive and respiratory syndrome virus (PRRSV) genome. Proteins (7ap) translated from the ORF7a of two divergent strains - a type I and a type II - are able to completely reduce the motility of nucleic acids at relatively high molar charge ratios in gel retardation assays indicating strong dsDNA- and ssRNA-binding capability. Conserved RNA- and DNA-binding properties suggest that nucleic acid binding is a functional property of the divergent 7aps, and not an arbitrary consequence of their net positive charge...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244335/linear-relationship-found-by-magnetic-resonance-imaging-between-cerebrospinal-fluid-volume-and-body-weight-in-dogs
#9
László Z Reinitz, Gábor Bajzik, Rita Garamvölgyi, Bianka Benedek, Örs Petneházy, András Lassó, Zsolt Abonyi-Tóth, Borbála Lőrincz, Péter Sótonyi
Despite numerous studies on cerebrospinal fluid (CSF) and its importance during hydrocephalus or myelography, no reliable values exist about its overall volume in dogs. In this study, our aim was to measure the intracranial (IC) volume of CSF in dogs and assess its possible relationship with body size and the symmetry of the lateral ventricles. We ran a 3D magnetic resonance imaging (MRI) sequence on the central nervous system of 12 healthy, male mongrel dogs between 3-5 years of age and 7.5-35.0 kg body weight...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244334/sensitivity-of-the-meiotic-stage-to-hyperthermia-during-in-vitro-maturation-of-porcine-oocytes
#10
Katsutoshi Nishio, Mado Yamazaki, Masayasu Taniguchi, Kazuhiko Besshi, Fumio Morita, Toshiki Kunihara, Fuminori Tanihara, Tatsuya Takemoto, Takeshige Otoi
The present study was conducted to clarify whether the meiotic stage of porcine oocytes has the highest sensitivity to hyperthermia during in vitro maturation by evaluating meiotic competence and DNA damage. Oocytes were exposed to 41 °C for 12 h at various intervals during 48 h of maturation culture. When the oocytes were exposed to 41 °C from 12 to 24 h of the maturation culture, the proportion of oocytes reaching metaphase II (MII) decreased as compared to the control oocytes cultured at 38.5 °C (P < 0...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244333/seasonally-biased-or-single-habitat-sampling-is-not-informative-on-the-real-prevalence-of-dermacentor-reticulatus-borne-rickettsiae-a-pilot-study
#11
Sándor Hornok, Marina L Meli, Enikő Gönczi, Regina Hofmann-Lehmann
Dermacentor reticulatus is a tick species of high medical and veterinary importance, emerging in several parts of Europe. Up to now most studies focusing on zoonotic rickettsiae in D. reticulatus were based on ticks collected in a limited part of the questing period, and did not take into account the potential seasonal variations in the rate of infection with tick-borne rickettsiae. The aim of the present study was to investigate the latter phenomenon, i.e. to screen D. reticulatus adults, collected monthly in two urban habitats of Budapest, for the presence of three zoonotic Rickettsia spp...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244332/effect-of-fulvic-and-humic-acids-on-iron-and-manganese-homeostasis-in-rats
#12
József Szabó, András Valentin Vucskits, Erzsébet Berta, Emese Andrásofszky, András Bersényi, István Hullár
The objective of this study was to investigate the effects of fulvic acid (FA) and humic acid (HA) as the two main compounds of humic substances, separately on Fe and Mn homeostasis. Seventy-two male Wistar rats were randomly divided into 9 experimental groups. The control diet (AIN-93G formula) and diets supplemented with 0.1%, 0.2%, 0.4% and 0.8% HA or FA were fed for 26 days. Fe and Mn concentrations of the large intestinal content, liver, kidney, femur and hair were determined. No significant differences were observed in the production parameters...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244331/applicability-of-fetal-thoracic-aortic-diameter-measurement-in-the-prediction-of-birth-weight-in-holstein-friesian-cows-short-communication
#13
Boglárka Vincze, András Gáspárdy, Levente Kovács, Ervin Albert, Luca Kézér, Ferenc Baska, Ottó Szenci
Transabdominal ultrasonography has been shown to be a useful and reliable method for assessing fetal well-being in horses and cattle. To test the applicability of fetal aortic diameter measurement in cattle, 44 late-term pregnant cows and heifers were examined 21 to 0 days prior to calving. Mean fetal aortic diameter was 2.07 ± 0.14 cm and mean fetal heart rate (FHR) was 109 ± 17 bpm. Three dead calves were dissected and their aortic diameter was measured in a water bath. The mean birth weight (n = 44) was 39...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244330/rapid-identification-of-pathogenic-streptococci-isolated-from-moribund-red-tilapia-oreochromis-spp
#14
Mohamed Abdelsalam, Mamdouh Y Elgendy, Mohamed Shaalan, Mohamed Moustafa, Masayuki Fujino
Accurate and rapid identification of bacterial pathogens of fish is essential for the effective treatment and speedy control of infections. Massive mortalities in market-sized red tilapia (Oreochromis spp.) were noticed in mariculture concrete ponds in northern Egypt. Histopathological examination revealed marked congestion in the central vein of the liver with the presence of bacterial aggregates inside the lumen and in the vicinity of the central vein. A total of 12 isolates of streptococci were obtained from the moribund fish...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28244329/mandibular-odontogenic-sarcoma-ameloblastic-fibrodentinosarcoma-in-an-aged-cat-short-communication
#15
Gustavo A Ramírez, Lorenzo Ressel, Jaume Altimira, Miquel Vilafranca
A 13-year-old male cat presented with an ill-defined mass in the rostral mandible causing destruction and loss of alveolar bone. Microscopically, the mass consisted of cords or islands of benign odontogenic epithelium and a malignant, pleomorphic spindle-shaped cell component with dysplastic dentine formation. Immunohistochemically, neoplastic mesenchymal cells proved to be strongly positive for vimentin and negative for cytokeratins, desmin, actin and S100 protein; the Ki67 proliferation index was high. Morphological and immunohistochemical features largely overlap those reported for ameloblastic fibrodentinosarcoma, an uncommon histologic subtype of odontogenic sarcoma recognised in humans but no reported previously in animals...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/27993105/first-record-of-ixodes-ariadnae-in-western-europe-belgium-short-communication
#16
Sándor Hornok, Aleksandra Krawczyk
Fourteen long-legged ixodid ticks (6 nymphs and 8 larvae) were collected from Bechstein's bat (Myotis bechsteinii) in Rochefort, Belgium. All ticks were morphologically identified as Ixodes ariadnae, based on their long legs (Haller's organ longer than maximum diameter of tarsus I), broad palps and posteriorly reverse bell-shaped scutum with wavy surface. The DNA was extracted from these ticks, followed by PCR amplification of part of their cytochrome oxidase subunit I (COI) gene. All obtained sequences were 100% identical with each other, and with the COI sequence of I...
December 2016: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/27993104/short-term-effects-of-t-2-toxin-or-deoxynivalenol-on-lipid-peroxidation-and-the-glutathione-system-in-common-carp
#17
Csilla Pelyhe, Benjámin Kövesi, Erika Zándoki, Balázs Kovács, Judit Szabó-Fodor, Miklós Mézes, Krisztián Balogh
The purpose of this study was to investigate the short-term effects of a single oral dose of T-2 and HT-2 toxin at 0.15, 0.33 and 1.82 mg kg(-1) body weight, or deoxynivalenol (DON) and 15-acetyl-DON at 0.13, 0.31 and 1.75 mg kg(-1) body weight in common carp. Conjugated dienes and trienes (the early markers of lipid peroxidation) were elevated in all DON-treated groups at the 16th hour, while thiobarbituric acid reactive substances (TBARS; termination marker) were increased at the highest dose of DON at the 16th and 24th hours...
December 2016: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/27993103/effects-of-butyrate-on-the-insulin-homeostasis-of-chickens-kept-on-maize-or-wheat-based-diets
#18
Anna Kulcsár, Gábor Mátis, Andor Molnár, Janka Petrilla, Ferenc Husvéth, Korinna Huber, Károly Dublecz, Zsuzsanna Neogrády
The aim of the present study was to investigate the effects of butyrate as a feed supplement on the expression of insulin signalling proteins as potent regulators of metabolism and growth in Ross 308 broiler chickens fed maize- or wheat-based diets. Both diets were supplemented with non-protected butyrate (1.5 and 3.0 g/kg of diet, respectively) or with protected butyrate (0.2 g/kg of diet); the diet of the control groups was prepared without any additives (control). On day 42 of life, systemic blood samples were drawn for analyses of glucose and insulin concentrations, and tissue samples (liver, gastrocnemius muscle and subcutaneous adipose tissue) were taken for Western blotting examinations...
December 2016: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/27993102/pharmacokinetics-and-tissue-depletion-of-doxycycline-administered-at-high-dosage-to-broiler-chickens-via-the-drinking-water
#19
Pai-Feng Hsiao, Shao-Kuang Chang, Tien-Huan Hsu, Kuang-Po Li, Chi-Chung Chou
The recommended use of doxycycline (DC) to broiler chicken is 100 mg/L via the drinking water and a 7-day withdrawal time (WDT). However, study of a higher dosage is desirable because of the possible increase of antimicrobial resistance and disease spectrum. Tissue DC residues exceeding the current maximum residue levels (MRL) was our major concern. Therefore, serum concentration and tissue depletion of DC hyclate after administration of 200 mg/L of DC in the drinking water for five consecutive days were studied...
December 2016: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/27993101/detection-and-partial-genetic-characterisation-of-novel-avi-and-siadenoviruses-in-racing-and-fancy-pigeons-columba-livia-domestica
#20
Mónika Z Ballmann, Balázs Harrach
Up to now, only a single adenovirus (AdV) isolate seemingly specific for pigeons, hence named pigeon AdV-1 (PiAdV-1), has been characterised at DNA sequence level. In the present work, the prevalence and diversity of AdVs occurring in domestic pigeon were examined by a survey performed on randomly collected samples using a very efficient, consensus nested PCR targeting the viral DNA polymerase gene. The newly detected viruses were characterised by sequencing and phylogeny analysis. Amplification of additional genome fragments was attempted by the use of several other PCR methods aiming at the hexon gene...
December 2016: Acta Veterinaria Hungarica
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