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https://www.readbyqxmd.com/read/28903765/antimicrobial-resistance-among-pathogenic-bacteria-from-mink-neovison-vison-in-denmark
#1
Nanett Kvist Nikolaisen, Desireé Corvera Kløve Lassen, Mariann Chriél, Gitte Larsen, Vibeke Frøkjær Jensen, Karl Pedersen
BACKGROUND: For proper treatment of bacterial infections in mink, knowledge of the causative agents and their antimicrobial susceptibility patterns is crucial. The used antimicrobials are in general not registered for mink, i.e. most usage is "off-label". In this study, we report the patterns of antimicrobial resistance among pathogenic bacteria isolated from Danish mink during the period 2014-2016. The aim of this investigation was to provide data on antimicrobial resistance and consumption, to serve as background knowledge for new veterinary guidelines for prudent and optimal antimicrobial usage in mink...
September 13, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28854681/short-term-effect-of-oral-amoxicillin-treatment-on-the-gut-microbial-community-composition-in-farm-mink-neovison-vison
#2
Laura Meier Marker, Anne Sofie Hammer, Lars Andresen, Pernille Isaack, Tove Clausen, Kevin Byskov, Oliver Lykke Honoré, Søren Krogh Jensen, Martin Iain Bahl
It is well documented that antibiotics have pronounced modulatory effects on the intestinal bacterial community of both humans and animals, with potential health consequences. The gut microbiota of mink has however attracted little attention due to low bacterial load and fast gastrointestinal transit time, questioning its relevance. In this study, we hypothesise that oral amoxicillin treatment affects the gut microbiota in mink. This was investigated in a controlled trial including 24 animals of which 12 were treated with amoxicillin for 7 days...
July 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28823046/organochlorine-contaminants-in-wild-mink-from-the-lower-great-lakes-basin-canada-1998-2006
#3
Pamela A Martin, Tana V McDaniel, Kimberley D Hughes, Bruce Hunter
Organochlorine contaminants were measured in livers of wild mink (Neovison vison) trapped in the lower Great Lakes basin from 1998 to 2006. To assess exposure and potential risk in mink feeding on Great Lakes biota, concentrations of contaminants were compared in mink trapped within 7.8 km of the shoreline as well as at inland sites (i.e., 8-40 km). Overall, significant spatial variation in mean hepatic concentrations of sum PCBs and seven other organochlorines was found in mink from 13 Great Lakes sites, many of which are within the Great Lakes Areas of Concern...
August 19, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28757038/livestock-associated-methicillin-resistant-staphylococcus-aureus-is-widespread-in-farmed-mink-neovison-vison
#4
Julie Elvekjær Hansen, Anders Rhod Larsen, Robert Leo Skov, Mariann Chriél, Gitte Larsen, Øystein Angen, Jesper Larsen, Desireé Corvera Kløve Lassen, Karl Pedersen
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) clonal complex (CC) 398 is widespread in the Danish pig production with around 90% of herds being positive. Since 2009, cases of CC398 LA-MRSA infections in Danish mink farmers have been observed. The objective of the study was to examine the presence of LA-MRSA in farmed mink. The investigation comprised three different sample types 1) clinical samples from carcasses submitted to the laboratory for diagnostic examination, 2) paws and pharyngeal swabs from healthy animals collected at pelting, and 3) feed samples from mink feed producers...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28662678/risk-factors-associated-with-diarrhea-in-danish-commercial-mink-neovison-vison-during-the-pre-weaning-period
#5
Julie Melsted Birch, Jens Frederik Agger, Christina Dahlin, Vibeke Frøkjær Jensen, Anne Sofie Hammer, Tina Struve, Henrik Elvang Jensen
BACKGROUND: Pre-weaning diarrhea in mink, also known as "sticky kits", is a syndrome and outbreaks occur every year on commercial mink farms in all mink producing countries. Morbidity and mortality can be considerable on a farm with huge economic consequences for the farmer as well as compromised welfare for the mink kits. Although efforts have been taken to identify etiologic agents involved in outbreaks, the syndrome is still regarded as multifactorial and recurring problems on the same farms draw attention to management and environmental risk factors...
June 29, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28637462/outbreak-tracking-of-aleutian-mink-disease-virus-amdv-using-partial-ns1-gene-sequencing
#6
P Ryt-Hansen, C K Hjulsager, E E Hagberg, M Chriél, T Struve, A G Pedersen, L E Larsen
BACKGROUND: Aleutian Mink Disease (AMD) is an infectious disease of mink (Neovison vison) and globally a major cause of economic losses in mink farming. The disease is caused by Aleutian Mink Disease Virus (AMDV) that belongs to the genus Amdoparvovirus within the Parvoviridae family. Several strains have been described with varying virulence and the severity of infection also depends on the host's genotype and immune status. Clinical signs include respiratory distress in kits and unthriftiness and low quality of the pelts...
June 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28635524/serology-and-protein-electrophoresis-for-evidence-of-exposure-to-12-mink-pathogens-in-free-ranging-american-mink-neovison-vison-in-argentina
#7
Pablo Eduardo Martino, Luis Ernesto Samartino, Néstor Oscar Stanchi, Nilda Esther Radman, Eduardo Joaquín Parrado
BACKGROUND: Basic pathologic characteristics for farmed minks were previously reported worldwide. However, its status in the wild has not been studied in detail. OBJECTIVE: Serology and electrophoresis were carried out for evidence of exposure to 12 mink pathogens on two different locations. ANIMALS AND METHODS: Serology was done in 87 wild minks by reference techniques against Toxoplasma gondii, Encephalitozoon cuniculi, Neospora caninum, Brucella abortus, Mycobacterium bovis, Leptospira interrogans, canine distemper virus (CDV), canine adenovirus (CAV), canine parvovirus (CPV), rabies virus (RV), Influenza A virus (FLUAV) and Aleutian disease virus (ADV)...
December 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28622792/a-cross-sectional-field-study-on-potential-associations-between-feed-quality-measures-and-usage-of-antimicrobials-in-commercial-mink-neovison-vison
#8
V F Jensen, H M Sommer, T Struve, J Clausen, M Chriél
Feed quality is generally assumed to affect health status in animal production. In previous studies, the feed producer has been found to affect the occurrence of gastrointestinal disease and antimicrobial use in Mink (Neovison vison). Mink are fed with moist, freshly produced feed, based on perishable ingredients. The objective of this study was to investigate the potential effect of specific feed parameters on antimicrobial use on herd level. The study was cross-sectional, including 1472 mink herds, responsible for 97% of oral antimicrobials prescribed for Danish mink during the study period, 2012-2014...
August 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28619149/abortion-and-mortality-in-farm-mink-neovison-vison-associated-with-feed-born-clostridium-limosum
#9
Anne Sofie Hammer, Lars Andresen, Bent Aalbæk, Peter Damborg, Vilhelm Weiss, Mette Line Christiansen, Søren Selsing, Martin Iain Bahl
Disease in mink clinically characterized by abortion and increased mortality among pregnant female mink on 28 Danish farms was observed during April and May 2015. Most of these farms suffered extensive disease problems, including a significant increase in the number of mated females without litters. Pathological, microbiological and molecular biological methods were applied to investigate the cause of disease. Necropsies of animals found dead revealed fragile and partially dissolved (liquefying) uterine tissue, with the presence of Gram positive rod-shaped bacteria...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28532438/the-effect-of-color-type-on-early-wound-healing-in-farmed-mink-neovison-vison
#10
A Jespersen, H E Jensen, J F Agger, P M H Heegaard, P Damborg, B Aalbæk, A S Hammer
BACKGROUND: Individual differences of mink, including color type, are speculated to affect the course of wound healing, thereby impacting wound assessment and management on the farms, as well as the assessment of wounds in forensic cases. In this study, we examined the effect of color type on early wound healing in farmed mink. Full thickness excisional wounds (2 × 2 cm) were made on the back in 18 mink of the color types Brown, Silverblue and Blue Iris. Gross and microscopic pathology of the wounds was evaluated 2 days post-wounding together with degree of wound size reduction, presence of bacteria and blood analyses...
May 22, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28487558/full-genetic-characterization-and-epidemiology-of-a-novel-amdoparvovirus-in-striped-skunk-mephitis-mephitis
#11
Marta Canuti, Hillary E Doyle, Ann P Britton, Andrew S Lang
Amdoparvovirus is a newly defined parvoviral genus that contains four species (Carnivore amdoparvovirus 1-4), including the well-known Aleutian mink disease virus (AMDV). Amdoparvoviruses cause an immune-associated and often lethal wasting syndrome in Mustelidae and Caninae hosts. In this study, we molecularly investigated amdoparvoviruses detected in 44 striped skunks (Mephitis mephitis) found dead in and around Vancouver, British Columbia, Canada. Some of the animals exhibited pathological changes compatible with amdoparvovirus-associated disease...
May 10, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28437587/relationship-type-affects-the-reliability-of-dispersal-distance-estimated-using-pedigree-inferences-in-partially-sampled-populations-a-case-study-involving-invasive-american-mink-in-scotland
#12
Y Melero, M K Oliver, X Lambin
Estimating dispersal-a key parameter for population ecology and management-is notoriously difficult. The use of pedigree assignments, aided by likelihood-based software, has become popular to estimate dispersal rate and distance. However, the partial sampling of populations may produce false assignments. Further, it is unknown how the accuracy of assignment is affected by the genealogical relationships of individuals and is reflected by software-derived assignment probabilities. Inspired by a project managing invasive American mink (Neovison vison), we estimated individual dispersal distances using inferred pairwise relationships of culled individuals...
August 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28295659/genetic-parameters-for-fur-quality-graded-on-live-animals-and-dried-pelts-of-american-mink-neovison-vison
#13
J P Thirstrup, J Jensen, M S Lund
Fur quality and skin size are integral qualities in the mink industry and are main determinants of sales price and subsequent income for mink fur producers. Parental animals of future generations are selected based on quality grading from live animals, but selection response is obtained from dried skins sold after pelting. In this study, we evaluated traits assessed during live grading and pelt traits examined on dried skins to determine correlation between live and pelt traits. Grading traits and body weight were measured during live animal grading for 9,539 Brown American mink, and pelt quality traits and skin size were evaluated on 8,385 dried mink skins after pelting...
March 10, 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/28224658/predictive-meta-regressions-relating-mercury-tissue-concentrations-of-freshwater-piscivorous-mammals
#14
Kristin M Eccles, Philippe J Thomas, Hing Man Chan
Mercury (Hg) is a pollutant of global concern. Sentinel species such as river otter (Lontra canadensis) and mink (Neovison vison) are often used to monitor environmental concentrations in freshwater ecosystems. Tissue total Hg (THg) concentrations are frequently used as biomarkers of exposure. However, there is no comprehensive model relating Hg tissue concentrations in different tissues, making interstudy comparisons challenging. Our objective was to establish conversion factors relating fur, brain, liver, kidney, and muscle THg concentrations using mean concentrations and standard errors reported in the literature...
September 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28093882/the-gastrointestinal-tract-of-farmed-mink-neovison-vison-maintains-a-diverse-mucosa-associated-microbiota-following-a-3-day-fasting-period
#15
Martin I Bahl, Anne S Hammer, Tove Clausen, Anabelle Jakobsen, Søren Skov, Lars Andresen
Although it is well documented that the gut microbiota plays an important role in health and disease in mammalian species, this area has been poorly studied among carnivorous animals, especially within the mustelidae family. The gastrointestinal tract of carnivores is characterized by its short length and fast transit time, as compared to omnivores and herbivores, which is due to the low level of inherent fermentation. Mink represents an example of this, which have a GI tract only four times the length of the body and a transit time of approximately 4-5 hr...
June 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28045202/raw-mechanically-separated-chicken-meat-and-salmon-protein-hydrolysate-as-protein-sources-in-extruded-dog-food-effect-on-protein-and-amino-acid-digestibility
#16
M T Tjernsbekk, A-H Tauson, O F Kraugerud, Ø Ahlstrøm
Protein quality was evaluated for mechanically separated chicken meat (MSC) and salmon protein hydrolysate (SPH), and for extruded dog foods where MSC or SPH partially replaced poultry meal (PM). Apparent total tract digestibility (ATTD) of crude protein (CP) and amino acids (AA) in the protein ingredients and extruded foods was determined with mink (Neovison vison). The extruded dog foods included a control diet with protein from PM and grain, and two diets where MSC or SPH provided 25% of the dietary CP. Nutrient composition of the protein ingredients varied, dry matter (DM) was 944...
January 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28025841/regulation-of-diapause-in-carnivores
#17
J C Fenelon, P L Lefèvre, A Banerjee, B D Murphy
Embryonic diapause is an evolutionary strategy to ensure that offspring are born when maternal and environmental conditions are optimal for survival. In many species of carnivores, obligate embryonic diapause occurs in every gestation. In mustelids, the regulation of diapause and reactivation is influenced by photoperiod, which then acts to regulate the secretion of pituitary prolactin. Prolactin in turn regulates ovarian steroid function. Reciprocal embryo transplant studies indicate that this state of embryonic arrest is conferred by uterine conditions and is presumed to be due to a lack of specific factors necessary for continued development...
April 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28000953/heavy-metal-concentrations-in-female-wild-mink-neovison-vison-in-sweden-sources-of-variation-and-associations-with-internal-organ-weights
#18
Karl Ljungvall, Ulf Magnusson, Marcus Korvela, Mattias Norrby, Jonas Bergquist, Sara Persson
The American mink is an invasive species in Sweden, and it is legally hunted all year. Therefore, the mink is well suited as a sentinel species for environmental monitoring. In the present study female mink (n = 91) from 6 different areas in Sweden were analyzed for the concentrations of silver, cadmium, mercury and lead in liver tissue using inductively coupled plasma mass spectrometry. The wet concentrations in liver tissue were 42.6 ± 52.7 ng/g for silver, 99.5 ± 100 ng/g for cadmium, 652 ± 537 ng/g for mercury, and 196 ± 401 ng/g for lead (expressed as mean ± standard deviation)...
August 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/27918148/influenza-a-virus-surveillance-in-the-invasive-american-mink-neovison-vison-from-freshwater-ecosystems-northern-spain
#19
H Gholipour, N Busquets, X Fernández-Aguilar, A Sánchez, M P Ribas, G De Pedro, P Lizarraga, O Alarcia-Alejos, C Temiño, O Cabezón
Influenza A viruses (IAVs) are negative-sense, single-stranded and segmented RNA viruses of the Orthomyxoviridae family that may cause acute respiratory disease in a wide range of birds and mammals. Susceptibility of several species within the family Mustelidae to IAVs has been reported as a result of natural or experimental infections. The objectives of this study were to assess whether free-ranging American mink populations from Northern Spain were infected with IAV and try to define the role of this species in the epidemiology of IAV...
December 5, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27917544/postvaccination-wounds-associated-predominantly-with-arcanobacterium-phocae-in-mink-neovison-vison-at-three-mink-farms
#20
Robert J Molenaar, Rianne Buter, Agnieszka Sroka
BACKGROUND: The emerging skin disease fur animal epidemic necrotic pyoderma (FENP) has been attributed to infection with Arcanobacterium phocae (ABP). The exact pathogenesis and risk factors of FENP have yet to be elucidated. ANIMALS: Three mink from each of three different mink farms (A-C) with postvaccination skin wounds at the vaccination site and six mink from an unaffected mink farm (D) that had used the same vaccine batch and vaccination site (hind leg). METHODS AND RESULTS: All mink from farms A-C had severe necrotizing to necropurulent dermatitis where they were vaccinated intramuscularly in the hind leg...
April 2017: Veterinary Dermatology
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