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Porcine Health Management

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https://www.readbyqxmd.com/read/30221009/current-challenges-in-the-diagnosis-of-zearalenone-toxicosis-as-illustrated-by-a-field-case-of-hyperestrogenism-in-suckling-piglets
#1
Isabel Hennig-Pauka, Franz-Josef Koch, Simone Schaumberger, Bettina Woechtl, Johannes Novak, Michael Sulyok, Veronika Nagl
Background: The mycotoxin zearalenone (ZEN) causes functional and morphological alterations in reproductive organs of pigs. In the field, diagnosis of ZEN-induced disorders is often challenging, as relevant feed lots are no longer available, or feed analysis results are not conclusive. Here, we report a field case of hyperestrogenism in newborn piglets. Surprisingly, more than 50 fungal metabolites were detected in hay pellets fed to gestating sows, including ZEN and its modified form zearalenone-14-sulfate (ZEN-14-S)...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30186621/diarrhoea-in-neonatal-piglets-a-case-control-study-on-microbiological-findings
#2
Hanne Kongsted, Karl Pedersen, Charlotte Kristiane Hjulsager, Lars Erik Larsen, Ken Steen Pedersen, Sven Erik Jorsal, Poul Bækbo
Background: Many factors can influence the occurrence of neonatal diarrhoea in piglets. Currently, well-known pathogens such as enterotoxigenic Escherichia coli and Clostridium perfringens type C appear to play a minor role in development of disease. Other infectious pathogens may be involved. In this study, we aimed to investigate the presence of selected infectious pathogens in neonatal piglets with clinical and pathological signs of enteric disease. The association between rotavirus A, Enterococcus hirae, Clostridium difficile and Clostridium perfringens type A/C and diarrhoea was investigated in a case control study on piglet level...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30151235/initial-vaccination-and-revaccination-with-type-i-prrs-94881-mlv-reduces-viral-load-and-infection-with-porcine-reproductive-and-respiratory-syndrome-virus
#3
Jeremy Kroll, Michael Piontkowski, Christian Kraft, Teresa Coll, Oliver Gomez-Duran
Background: Porcine reproductive and respiratory syndrome (PRRS) causes respiratory distress in pigs, reproductive failure in breeding-age gilts and sows, and can have devastating economic consequences in domestic herds. Several PRRS vaccines are available commercially. This study compared the effectiveness of single-vaccination and revaccination schedules using the PRRS 94881 Type I modified live virus (MLV) vaccine ReproCyc® PRRS EU with no vaccination (challenge control) in protecting against a PRRS virus (PRRSV) challenge in non-pregnant gilts...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30123521/an-efficiency-comparison-of-different-in-vitro-fertilization-methods-ivf-icsi-and-picsi-for-embryo-development-to-the-blastocyst-stage-from-vitrified-porcine-immature-oocytes
#4
Fahiel Casillas, Miguel Betancourt, Cristina Cuello, Yvonne Ducolomb, Alma López, Lizbeth Juárez-Rojas, Socorro Retana-Márquez
Background: Most studies carried out to evaluate recovery and development after porcine oocyte vitrification, reported better rates when cryopreserved in embryonic development stages or zygotes, but not in immature oocytes. For this reason, many studies are performed to improve immature oocyte vitrification protocols testing the use of different cryoprotectant concentrations, cooling devices, incubation times; but only a few of them have evaluated which fertilization procedure enhances blastocyst rates in vitrified oocytes...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30083374/clinical-efficacy-of-two-vaccination-strategies-against-mycoplasma-hyopneumoniae-in-a-pig-herd-suffering-from-respiratory-disease
#5
Vojislav Cvjetković, Sabine Sipos, Imre Szabó, Wolfgang Sipos
Background: A randomised field trial was conducted on an Austrian farrow-to-finish farm for one year to compare the efficacy of two commercial Mycoplasma hyopneumoniae vaccines. 585 piglets either received the one-shot formulation in group 1 (Hyogen®, 23.9 days of age) or a two-shot vaccine (Stellamune® Mycoplasma, 4.3 and 24.0 days of age) in group 2. Assessment of vaccine efficacy was evaluated by regression analyses through cough monitoring from nursery to slaughter, average daily weight gain from inclusion to slaughter, antibiotic treatment rate (ATR), mortality rate, and lung lesion scoring at slaughter...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30062042/once-small-always-small-to-what-extent-morphometric-characteristics-and-post-weaning-starter-regime-affect-pig-lifetime-growth-performance
#6
A M S Huting, P Sakkas, I Wellock, K Almond, I Kyriazakis
Background: The aim of this study was to determine the effect of piglet morphometric characteristics and starter regime on postnatal growth. Some piglets born light are able to grow faster than others, and identifying which piglets are more at risk to remain light and at which stages of growth is essential. A nutrient enriched starter regime may allow lightweight pigs to improve their post-weaning growth. A total 1487 newly born piglets from 137 litters originating from 8 consecutive farrowing batches were followed from birth (BiW) to weaning (WW, d28) and finishing (d99)...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/30026960/high-performing-farms-exploit-reproductive-potential-of-high-and-low-prolific-sows-better-than-low-performing-farms
#7
Satomi Tani, Carlos Piñeiro, Yuzo Koketsu
Background: Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Data included 419,290 service records of 85,096 sows, on 98 Spanish farms, from first-service as gilts to removal, that were served between 2008 and 2013. Farms were categorized into three productivity groups based on the upper and lower 25th percentiles of the farm means of annualized lifetime piglets weaned per sow over the 6 years: high-performing (HP), intermediate-performing (IP), and low-performing (LP) farms...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29988623/strategies-to-improve-the-growth-and-homogeneity-of-growing-finishing-pigs-feeder-space-and-feeding-management
#8
Sergi López-Vergé, Josep Gasa, Déborah Temple, Jordi Bonet, Jaume Coma, David Solà-Oriol
Background: The aim was to test two strategies to improve the growth rate of the slow-growth pigs and to increase the batch's homogeneity at slaughter. In Trial 1 a total of 264 weaned piglets were distributed into 24 pens (11 piglets/pen) according to sex and initial body weight (BW) for the transition period (T; 28 d to 64 d). During the T period, a commercial lidded feeder hopper was used (3.7 pigs/feeder space). When moving to the growing facilities, the 24 pens were maintained and split into two groups of 12 according to sex, feeder type (HD or 5...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29977591/efficacy-of-a-one-shot-marbofloxacin-treatment-on-acute-pleuropneumonia-after-experimental-aerosol-inoculation-of-nursery-pigs
#9
Doris Hoeltig, Judith Rohde, Birgit Brunner, Klaus Hellmann, Erik Grandemange, Karl-Heinz Waldmann
Background: Porcine pleuropneumonia, caused by Actinobacillus pleuropneumoniae, is a bacterial respiratory disease of swine. Acute outbreaks of the disease are often accompanied by high mortality and economic losses. As severe cases of the disease frequently require parenteral antibiotic treatment of the animals, the efficacy of a single, high dose of marbofloxacin was compared to a three-time application of a dose of enrofloxacin under experimental conditions. Methods: A blinded, controlled, randomized and blocked dose confirmation study was conducted to test the efficacy and safety of a single dose of 8 mg/kg marbofloxacin (160 mg/ml, Forcyl® Swine, Vetoquinol SA, France) to treat acute porcine pleuropneumonia after experimental aerosol inoculation of pigs with A...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29881637/use-of-trachea-bronchial-swab-qpcr-testing-to-confirm-mycoplasma-hyopneumoniae-seropositivity-in-an-spf-breeding-herd
#10
Frédéric Vangroenweghe, Eveline Willems, Jiří Malášek, Olivier Thas, Dominiek Maes
Background: A dedicated program to monitor for freedom of several economically important diseases is present within most of the breeding companies that currently deliver high health breeding animals to their customers. Serology is therefore the preferential approach in order to screen for most of these diseases, including Mycoplasma hyopneumoniae ( M. hyopneumoniae ). However, in case of positive serology, further decisions on farm health status and the related consequences should be based on additional confirmation tests...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29785280/long-duration-of-immunity-against-a-type-1-heterologous-prrs-virus-challenge-in-pigs-immunised-with-a-novel-prrs-mlv-vaccine-a-randomised-controlled-study
#11
Jeremy Kroll, Mike Piontkowski, Poul H Rathkjen, Francois-Xavier Orveillon, Christian Kraft, Oliver G Duran
Background: Porcine reproductive and respiratory syndrome virus (PRRSV) is widespread in commercial pig farms worldwide, and has a significant cost to the swine industry. Herd owners need a vaccine that will confer long-lasting immunity to prevent PRRSV infection and transmission. The studies described here evaluated duration of immunity conferred by a European-derived PRRS (isolate 94,881) modified live virus (MLV) vaccine, Ingelvac PRRSFLEX® EU, at 20, 24, and 26 weeks post-vaccination...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29744130/relationships-between-colostrum-supply-of-suckling-piglets-and-salmonella-prevalence-in-piglet-rearing
#12
Anton Schulte Zu Sundern, Carolin Holling, Karl Rohn, Josef Schulte-Wülwer, Ansgar Deermann, Christian Visscher
No abstract text is available yet for this article.
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29692925/reliable-estimation-of-antimicrobial-use-and-its-evolution-between-2010-and-2013-in-french-swine-farms
#13
Anne Hémonic, Claire Chauvin, Didier Delzescaux, Fabien Verliat, Isabelle Corrégé
Background: There has been a strong implication of both the French swine industry and the national authorities on reducing the use of antimicrobials in swine production since 2010. The annual monitoring of antimicrobial sales by the French Veterinary Medicines Agency (Anses-ANMV) provides estimates but not detailed figures on actual on-farm usage of antimicrobials in swine production. Results: In order to provide detailed information on the 2010 and 2013 antimicrobial use in the French swine industry, the methodology of cross-sectional retrospective study on a representative sample of at least 150 farms has been elected...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29632701/viral-and-bacterial-investigations-on-the-aetiology-of-recurrent-pig-neonatal-diarrhoea-cases-in-spain
#14
Susana Mesonero-Escuredo, Katrin Strutzberg-Minder, Carlos Casanovas, Joaquim Segalés
Background: Neonatal diarrhoea represents a major disease problem in the early stages of animal production, increasing significantly pre-weaning mortality and piglets weaned below the target weight. Enteric diseases in newborn piglets are often of endemic presentation, but may also occur as outbreaks with high morbidity and mortality. The objective of this study was to assess the frequency of different pathogens involved in cases of recurrent neonatal diarrhoea in Spain. Results: A total of 327 litters from 109 sow farms located in Spain with neonatal recurrent diarrhoea were sampled to establish a differential diagnosis against the main enteric pathogens in piglets...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29610674/passive-surveillance-of-leptospira-infection-in-swine-in-germany
#15
Katrin Strutzberg-Minder, Astrid Tschentscher, Martin Beyerbach, Matthias Homuth, Lothar Kreienbrock
Background: As no current data are available on the prevalence of leptospiral infection in swine in Germany, we analysed laboratory data from diagnostic examinations carried out on samples from swine all over Germany from January 2011 to September 2016. A total of 29,829 swine sera were tested by microscopic agglutination test (MAT) for antibodies against strains of eleven Leptospira serovars. Results: Overall, 20.2% (6025) of the total sample collection tested positive for leptospiral infection...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29588859/factors-associated-with-the-growing-finishing-performances-of-swine-herds-an-exploratory-study-on-serological-and-herd-level-indicators
#16
C Fablet, N Rose, B Grasland, N Robert, E Lewandowski, M Gosselin
Background: Growing and finishing performances of pigs strongly influence farm efficiency and profitability. The performances of the pigs rely on the herd health status and also on several non-infectious factors. Many recommendations for the improvement of the technical performances of a herd are based on the results of studies assessing the effect of one or a limited number of infections or environmental factors. Few studies investigated jointly the influence of both type of factors on swine herd performances...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29556413/effect-of-oral-ketoprofen-treatment-in-acute-respiratory-disease-outbreaks-in-finishing-pigs
#17
Outi Hälli, Minna Haimi-Hakala, Tapio Laurila, Claudio Oliviero, Elina Viitasaari, Toomas Orro, Olli Peltoniemi, Mika Scheinin, Saija Sirén, Anna Valros, Mari Heinonen
Background: Infection with respiratory pathogens can influence production as well as animal welfare. There is an economical and ethical need to treat pigs that suffer from respiratory diseases. Our aim was the evaluation of the possible effects of oral NSAID medication given in feed in acute outbreaks of respiratory disease in finishing pigs. The short- and long-term impact of NSAID dosing on clinical signs, daily weight gain, blood parameters and behaviour of growing pigs in herds with acute respiratory infections were evaluated...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29484195/culling-in-served-females-and-farrowed-sows-at-consecutive-parities-in-spanish-pig-herds
#18
Satomi Tani, Carlos Piñeiro, Yuzo Koketsu
Background: The objectives of our study were 1) to characterize culling and retention patterns in parities 0 to 6 in served females and farrowed sows in two herd groups, and 2) to quantify the factors associated with by-parity culling risks for both groups in commercial herds. Lifetime data from first-service to removal included 465,947 service records of 94,691 females served between 2008 and 2013 in 98 Spanish herds. Herds were categorized into two groups based on the upper 25th percentile of the herd means of annualized lifetime pigs weaned per sow: high-performing (> 24...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29435356/comparison-of-serum-pools-and-oral-fluid-samples-for-detection-of-porcine-circovirus-type-2-by-quantitative-real-time-pcr-in-finisher-pigs
#19
Gitte Blach Nielsen, Jens Peter Nielsen, John Haugegaard, Sanne Christiansen Leth, Lars E Larsen, Charlotte Sonne Kristensen, Ken Steen Pedersen, Helle Stege, Charlotte K Hjulsager, Hans Houe
Background: Porcine circovirus type 2 (PCV2) diagnostics in live pigs often involves pooled serum and/or oral fluid samples for group-level determination of viral load by quantitative real-time polymerase chain reaction (qPCR). The purpose of the study was to compare the PCV2 viral load determined by qPCR of paired samples at the pen level of pools of sera (SP) from 4 to 5 pigs and the collective oral fluid (OF) from around 30 pigs corresponding to one rope put in the same pen. Pigs in pens of 2 finishing herds were sampled by cross-sectional (Herd 1) and cross-sectional with follow-up (Herd 2) study designs...
2018: Porcine Health Management
https://www.readbyqxmd.com/read/29375890/field-evaluation-of-piglet-vaccination-with-a-mycoplasma-hyopneumoniae-bacterin-as-compared-to-a-ready-to-use-product-including-porcine-circovirus-2-and-m-hyopneumoniae-in-a-conventional-french-farrow-to-finish-farm
#20
Didier Duivon, Isabelle Corrégé, Anne Hémonic, Martial Rigaut, David Roudaut, Rika Jolie
Background: A controlled randomized trial was performed on a well-managed conventional French 180-sow farm. The trial compared the growth performances of piglets vaccinated at weaning (single shot) either with a commercial monovalent Mycoplasma hyopneumoniae bacterin vaccine or with a commercial bivalent vaccine (Porcilis® PCV M Hyo) against M. hyopneumoniae and porcine circovirus 2 (PCV2). The farm's porcine reproductive and respiratory syndrome status was stable, and most diseases (enzootic pneumonia, atrophic rhinitis, post-weaning multisystemic wasting syndrome) were controlled by routine vaccination...
2018: Porcine Health Management
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