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https://www.readbyqxmd.com/read/28546868/evaluation-of-porcine-reproductive-and-respiratory-syndrome-stabilization-protocols-in-23-french-farrow-to-finish-farms-located-in-a-high-density-swine-area
#1
Pauline Berton, Valérie Normand, Guy-Pierre Martineau, Franck Bouchet, Arnaud Lebret, Agnès Waret-Szkuta
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) is responsible for reproductive disorders in sows and respiratory problems in pigs, and has a major economic impact. Controlling PRRSV is therefore a priority for the swine industry. Stabilization of a herd, defined as the production of PRRSV-negative pigs at weaning from seropositive sows, is a common method of control, and different protocols have been described in the literature to achieve this stabilization. CONTEXT AND PURPOSE: The objective of this study was to evaluate wether the combination of mass vaccination of sows and their piglets with a Genotype I modified live virus (MLV) vaccine, with temporal closure to the introduction of replacement animals and unidirectional pig and human flow can result in the production of PRRSV-negative pigs at weaning...
2017: Porcine Health Management
https://www.readbyqxmd.com/read/28545990/retrospective-survey-of-mcr-1-and-mcr-2-in-german-pig-fattening-farms-2011-2012
#2
Nicole Roschanski, Linda Falgenhauer, Mirjam Grobbel, Sebastian Guenther, Lothar Kreienbrock, Can Imirzalioglu, Uwe Roesler
In November 2015, the first plasmid-encoded colistin resistance gene, mcr-1, was described in animals and in humans in China. Subsequently, a multitude of further studies was performed and quite recently the global spread of mcr-1 as well as the occurrence of a new gene variant, mcr-2, was reported. To obtain an overview of the occurrence of the colistin resistance genes mcr-1 and mcr-2 in German pig farms, a retrospective study, including 436 boot swab and pooled faeces samples collected from 58 pig-fattening farms throughout Germany, was performed...
May 22, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28544872/analysis-of-the-igf-system-in-milk-from-farm-animals-occurrence-regulation-and-biomarker-potential
#3
REVIEW
Zianka Meyer, Christine Höflich, Elisa Wirthgen, Sven Olm, Harald M Hammon, Andreas Hoeflich
IGFs and IGF-binding proteins (IGFBPs) are abundantly present in milk and in dairy products. Compared to the IGFs, the IGFBP have received less attention in milk, although truncated IGFBPs and IGFBP-glycosylation have been described in milk. Thereby, complex control of local IGF-effects can be assumed on the levels of IGFBPs, proteases, and protease inhibitors. The present review collects the current knowledge both on presence and regulation of IGFs and IGFBPs in milk particularly from dairy animal species...
May 12, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28543372/hematologic-and-biochemical-ris-for-an-aged-population-of-captive-african-green-monkeys-chlorocebus-aethiops-sabaeus
#4
Elizabeth M Scallan, Saundra H Sample, Amy M Beierschmitt, Roberta M Palmour
BACKGROUND: Established RIs for geriatric African Green monkeys (Chlorocebus aethiops sabaeus) are critical for clinical differentiation of normal aging from disease-related changes in this population. OBJECTIVE: The aim of this study was to establish hematologic and serum biochemical RIs for a Caribbean captive population of geriatric (≥ 15 years of age) African Green monkeys, or Vervets. METHODS: Inclusion and exclusion criteria were defined for a cohort of 109 healthy, aged (15- to 30-year-old, median 19-year-old) Vervets...
May 19, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28541863/danger-on-the-farm-a-comparison-of-agricultural-and-animal-related-injuries
#5
Jessica L Weaver, Charles W Kimbrough, Kimberly Broughton-Miller, Michelle Frisbie, Jodi Wojcik, Karina Pentecost, Matthew C Bozeman, Nicholas A Nash, Brian G Harbrecht
Animal-related injuries are common in rural areas. Agricultural workers can suffer severe injuries involving farm machinery or falls. The spectrum of injuries related to rural activities is poorly defined and characterizing these injuries will improve injury prevention efforts. Records for injured patients admitted between 2010 and 2013 were retrospectively reviewed. Patients with a mechanism of injury involving a large animal or with the injury site listed as "farm" were included. Patients with agricultural injuries (n = 85) were older with more multisystem injuries than patients injured by animals (n = 132) but the Injury Severity Score was equivalent...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28541779/attitudes-toward-bile-extraction-from-living-bears-survey-of-citizens-and-students-in-beijing
#6
Zhao Liu, Zhigang Jiang, Aifang Yang, Bingbing Xu, Hongxia Fang, Zongping Xie, Ning Li, Chunwang Li, Zhibin Meng, Yan Zeng
Bear bile is a traditional Chinese medicine that has been used for millennia. Several arguments support and oppose the use of bear farming in terms of conservation and nonhuman animal welfare. This study involved designing a questionnaire and surveying a random sample of general citizens and college students in Beijing to elicit their attitudes on bile extraction from living bears. Older people and people with lower education levels used more bear bile medicines. In total, 29.47% (n = 204) of citizens and 23...
July 2017: Journal of Applied Animal Welfare Science: JAAWS
https://www.readbyqxmd.com/read/28538654/a-monitoring-system-for-laying-hens-that-uses-a-detection-sensor-based-on-infrared-technology-and-image-pattern-recognition
#7
Mauro Zaninelli, Veronica Redaelli, Fabio Luzi, Valentino Bontempo, Vittorio Dell'Orto, Giovanni Savoini
In Italy, organic egg production farms use free-range housing systems with a big outdoor area and a flock of no more than 500 hens. With additional devices and/or farming procedures, the whole flock could be forced to stay in the outdoor area for a limited time of the day. As a consequence, ozone treatments of housing areas could be performed in order to reduce the levels of atmospheric ammonia and bacterial load without risks, due by its toxicity, both for hens and workers. However, an automatic monitoring system, and a sensor able to detect the presence of animals, would be necessary...
May 24, 2017: Sensors
https://www.readbyqxmd.com/read/28537782/a-field-study-on-the-anthelmintic-resistance-of-parascaris-spp-in-arab-foals-in-riyadh-region-saudi-arabia
#8
Abdullah D Alanazi, Rami M Mukbel, Mohamed S Alyousif, Zafer S Al Shehri, Ibrahim O Alanazi, Hamdan I Al-Mohammed
BACKGROUND: In the last decade, Parascaris spp. resistance to anthelmintics has been recorded in many countries. In Saudi Arabia, there are limited data available on Parascaris spp. resistance to anthelmintics. OBJECTIVE: To determine the current status of ivermectin, abamectin and praziquantel combined, and fenbendazole resistance to Parascaris spp. in horses in Saudi Arabia. METHODS: Three hundred and forty one foals from eleven different farms were examined by faecal egg count (FEC)...
May 24, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28536568/comparing-the-genetic-diversity-and-antimicrobial-resistance-profiles-of-campylobacter-jejuni-recovered-from-cattle-and-humans
#9
Wonhee Cha, Rebekah E Mosci, Samantha L Wengert, Cristina Venegas Vargas, Steven R Rust, Paul C Bartlett, Daniel L Grooms, Shannon D Manning
Campylobacter jejuni, a leading cause of gastroenteritis in humans, is a foodborne pathogen that can reside in chickens, pigs, and cattle. Because resistance to fluoroquinolones and macrolides, which are commonly used to treat human infections, has emerged in C. jejuni, it is imperative to continously monitor resistance patterns and examine the genetic variation in strains from human infections and animal reservoirs. Our previous study of C. jejuni from human campylobacteriosis cases showed a significantly higher rate of tetracycline resistance compared to national trends, and identified multilocus sequence type (ST)-982 and a history of cattle contact to be associated with tetracycline resistance...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28534030/combining-slaughterhouse-surveillance-data-with-cattle-tracing-scheme-and-environmental-data-to-quantify-environmental-risk-factors-for-liver-fluke-in-cattle
#10
Giles T Innocent, Lucy Gilbert, Edward O Jones, James E McLeod, George Gunn, Iain J McKendrick, Steve D Albon
Liver fluke infection causes serious disease (fasciolosis) in cattle and sheep in many regions of the world, resulting in production losses and additional economic consequences due to condemnation of the liver at slaughter. Liver fluke depends on mud snails as an intermediate host and infect livestock when ingested through grazing. Therefore, environmental factors play important roles in infection risk and climate change is likely to modify this. Here, we demonstrate how slaughterhouse data can be integrated with other data, including animal movement and climate variables to identify environmental risk factors for liver fluke in cattle in Scotland...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28533337/development-of-a-medium-density-combined-species-snp-array-for-pacific-and-european-oysters-crassostrea-gigas-and-ostrea-edulis
#11
Alejandro P Gutierrez, Frances Turner, Karim Gharbi, Richard Talbot, Natalie R Lowe, Carolina Peñaloza, Mark McCullough, Paulo A Prodöhl, Tim P Bean, Ross D Houston
SNP arrays are enabling tools for high-resolution studies of the genetic basis of complex traits in farmed and wild animals. Oysters are of critical importance in many regions from both an ecological and economic perspective, and oyster aquaculture forms a key component of global food security. The aim of our study was to design a combined-species medium density SNP array for Pacific oyster (C. gigas) and European flat oyster (O. edulis), and to test the performance of this array on farmed and wild populations from multiple locations, with a focus on European populations...
May 22, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28532809/seroprevalence-of-bovine-herpesvirus-1-related-alphaherpesvirus-infections-in-free-living-and-captive-cervids-in-poland
#12
Jerzy Rola, Magdalena Larska, Wojciech Socha, Jolanta G Rola, Magdalena Materniak, Renata Urban-Chmiel, Etienne Thiry, Jan F Żmudziński
To determine the occurrence of bovine herpesvirus 1 (BoHV-1) related alphaherpesvirus infections in cervids, 1194 serum samples of wild ruminants originating from 59 forest districts of Poland were tested with IBR gB ELISA and virus neutralization test (VNT) against BoHV-1 and cervid herpesvirus 1 (CvHV-1). The seroprevalence differed significantly between free-living and captive cervids (P<0.001) with a total of 89 out of 498 (17.9%) and 268 out of 696 (38.5%) seropositive animals in each type of population...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532807/distribution-of-aleutian-mink-disease-virus-contamination-in-the-environment-of-infected-mink-farms
#13
A Prieto, R Fernández-Antonio, J M Díaz-Cao, G López, P Díaz, J M Alonso, P Morrondo, G Fernández
Control and eradication of Aleutian Mink Disease Virus (AMDV) are a major concern for fur-bearing animal production. Despite notably reducing disease prevalence, current control programs are unable to prevent the reinfection of farms, and environmental AMDV persistence seems to play a major role regarding this issue. In this study 114 samples from different areas and elements of seven infected mink farms were analyzed by qPCR in order to evaluate the environmental distribution of AMDV load. Samples were classified into nine categories, depending on the type of sample and degree of proximity to the animals, the main source of infection...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532805/efficacy-of-disinfectants-and-detergents-intended-for-a-pig-farm-environment-where-salmonella-is-present
#14
Rebecca J Gosling, Ian Mawhinney, Kelly Vaughan, Robert H Davies, Richard P Smith
Disinfection is a useful component of disease control, although products and chemical groups vary in their activity against different pathogens. This study investigated the ability of fifteen disinfectants to eliminate pig-associated Salmonella. Active compounds of products included chlorocresol, glutaraldehyde/formaldehyde, glutaraldehyde/quaternary ammonium compounds (QAC), iodine, peracetic acid and potassium peroxomonosulphate. Six detergents were also tested for their ability to dislodge faecal material, and interactions with specific disinfectants...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532800/antimicrobial-susceptibility-monitoring-of-mycoplasma-hyopneumoniae-and-mycoplasma-bovis-isolated-in-europe
#15
Ulrich Klein, Anno de Jong, Hilde Moyaert, Farid El Garch, Rocio Leon, Alexandra Richard-Mazet, Markus Rose, Dominiek Maes, Andrew Pridmore, Jill R Thomson, Roger D Ayling
Mycoplasma hyopneumoniae in pigs and Mycoplasma bovis in cattle are major pathogens affecting livestock across Europe and are the focus of the MycoPath pan-European antimicrobial susceptibility monitoring programme. Fifty M. hyopneumoniae isolates from Belgium, Spain and the United Kingdom (UK), and 156 M. bovis isolates from France, Hungary, Spain and the UK that met specific criteria were tested for antimicrobial susceptibility in a central laboratory by using a microbroth dilution method. Specific isolate criteria included recovery from animals not recently treated with antimicrobials, isolates from different locations within each country and retaining only one isolate per farm...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532789/recombination-in-jxa1-r-vaccine-and-nadc30-like-strain-of-porcine-reproductive-and-respiratory-syndrome-viruses
#16
Jiankui Liu, Xia Zhou, Junqiong Zhai, Chunhua Wei, Ailing Dai, Xiaoyan Yang, Manlin Luo
Porcine reproductive and respiratory syndrome (PRRS) is considered one of the most devastating swine diseases worldwide, resulting in immense economic losses. PRRS virus (PRRSV) has undergone rapid evolution since its first recognition in 1990s. In the present study, a PRRSV strain named FJXS15 causing high morbidity and mortality was isolated from piglets and sows from a farm participating in vaccination in China. Phylogenetic and molecular evolutionary analyses revealed that FJXS15 was highly similar to the JXA1-R vaccine strain (a live attenuated virus vaccine strain derived from the highly pathogenic PRRSV JXA1) in the ORF1a (nt 901-)-ORF4 (-nt 419) coding regions, as well as to FJZ03 (lineage 1, NADC30-like) in the 5'-UTR, ORF5a-ORF7 coding regions, and 3'-UTR, suggestive of a natural recombination event...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28528816/vertical-transmission-of-microcystins-to-nile-crocodile-crocodylus-niloticus-eggs
#17
Alukhethi Singo, Jan G Myburgh, Peter N Laver, Elizabeth A Venter, Gezina C H Ferreira, Gertruida M Rösemann, Christo J Botha
Cyanobacteria or blue green algae are known for their extensive and highly visible blooms in eutrophic, stagnant freshwater bodies. Climate change and global warming have also contributed to a rise in toxic cyanobacterial blooms. One of the most important cyanobacteria is Microcystis aeruginosa, which can synthesize various microcystins that can affect the health of terrestrial and aquatic animals. Commercial Nile crocodile (Crocodylus niloticus) farming in South Africa is based on keeping breeders (adult males and females) in big dams on farms (captive-bred approach)...
May 18, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28528531/diversity-and-distribution-of-ticks-from-domestic-ruminants-in-lebanon
#18
Mayssaa Fawaz Dabaja, Maria Tempesta, Ali Bayan, Gesualdo Vesco, Grazia Greco, Grazia Greco, Alessandra Torina, Valeria Blanda, Francesco La Russa, Salvatore Scimeca, Rossella Lelli, Mohamad Ezzedine, Hussein Mortada, Didier Raoult, Pierre Edouard Fournier, Mohamad Mortada
Ticks (Acari: Ixodidae) are ectoparasites infesting livestock in every geographic area in the world and they are vectors of several viral, bacterial, and protozoan pathogens to animals and humans worldwide. A deep knowledge of the geographical distribution of these arthropods would have a key role in the control of tick-borne diseases. Few data are available about tick presence in domestic ruminants in Lebanon. The study aimed at providing an analysis of tick presence and distribution in Lebanon. Ticks were collected from cattle, sheep, and goats farms distributed in 6 Lebanese provinces between June and September 2014...
April 11, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28527799/effect-of-yeast-supplementation-on-performance-rumination-time-and-rumen-ph-of-dairy-cows-in-commercial-farm-environments
#19
V Ambriz-Vilchis, N S Jessop, R H Fawcett, M Webster, D J Shaw, N Walker, A I Macrae
The aims of the present study were to evaluate the effects of live yeast supplementation (Vistacell MUCL 39855, AB Vista, Marlborough, UK) on performance, rumination time, and rumen pH on dairy cows in commercial farm environments. Three trials were carried out, the trials lasted 12 (trial 1), 15 (trial 2), and 19 wk (trial 3). In each trial, 14 multiparous Holstein dairy cows were allocated to 2 groups that received (trial 1) a standard diet plus yeast, (trial 2) an acidogenic diet plus yeast, and (trial 3) grazing pasture plus yeast...
May 17, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28527795/the-use-of-mid-infrared-spectrometry-to-estimate-the-ration-composition-of-lactating-dairy-cows
#20
M Klaffenböck, A Steinwidder, C Fasching, G Terler, L Gruber, G Mészáros, J Sölkner
The composition of cow milk is strongly affected by the feeding regimen. Because milk components are routinely determined using mid-infrared (MIR) spectrometry, MIR spectra could also be used to estimate an animal's ration composition. The objective of this study was to determine whether and how well amounts of dry matter intake and the proportions of concentrates, hay, grass silage, maize silage, and pasture in the total ration can be estimated using MIR spectra at an individual animal level. A total of 10,200 milk samples and sets of feed intake data were collected from 90 dairy cows at 2 experimental farms of the Agricultural Research and Education Centre in Raumberg-Gumpenstein, Austria...
May 17, 2017: Journal of Dairy Science
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