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Microbiota canine

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https://www.readbyqxmd.com/read/29686089/skin-microbiota-and-allergic-symptoms-associate-with-exposure-to-environmental-microbes
#1
Jenni Lehtimäki, Hanna Sinkko, Anna Hielm-Björkman, Elina Salmela, Katriina Tiira, Tiina Laatikainen, Sanna Mäkeläinen, Maria Kaukonen, Liisa Uusitalo, Ilkka Hanski, Hannes Lohi, Lasse Ruokolainen
A rural environment and farming lifestyle are known to provide protection against allergic diseases. This protective effect is expected to be mediated via exposure to environmental microbes that are needed to support a normal immune tolerance. However, the triangle of interactions between environmental microbes, host microbiota, and immune system remains poorly understood. Here, we have studied these interactions using a canine model (two breeds, n = 169), providing an intermediate approach between complex human studies and artificial mouse model studies...
April 23, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29651421/when-the-nose-doesn-t-know-canine-olfactory-function-associated-with-health-management-and-potential-links-to-microbiota
#2
REVIEW
Eileen K Jenkins, Mallory T DeChant, Erin B Perry
The impact of health, management, and microbiota on olfactory function in canines has not been examined in review. The most important characteristic of the detection canine is its sense of smell. Olfactory receptors are primarily located on the ethmoturbinates of the nasal cavity. The vomeronasal organ is an additional site of odor detection that detects chemical signals that stimulate behavioral and/or physiological changes. Recent advances in the genetics of olfaction suggest that genetic changes, along with the unique anatomy and airflow of the canine nose, are responsible for the macrosmia of the species...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29570709/disentangling-factors-that-shape-the-gut-microbiota-in-german-shepherd-dogs
#3
Åsa Vilson, Ziad Ramadan, Qinghong Li, Åke Hedhammar, Arleigh Reynolds, Julie Spears, Jeff Labuda, Robyn Pelker, Bengt Björkstén, Johan Dicksved, Helene Hansson-Hamlin
The aim of this study was to explore the development of the gut microbiota in 168 German Shepherd dogs (30 litters) from 7 weeks to 18 months of age and furthermore, to study the effect of relatedness, maternal microbiota composition and living environment in a large and well-defined population of dogs. Using 454 pyrosequencing, we assessed the effects of pre- and postnatal probiotic supplementation (Lactobacillus johnsonii NCC533 (La1)) and analysed whether administration of the probiotic strain influenced fecal microbiota composition in a placebo controlled double-blinded study...
2018: PloS One
https://www.readbyqxmd.com/read/29558912/influence-of-dietary-protein-and-fructooligosaccharides-on-fecal-fermentative-end-products-fecal-bacterial-populations-and-apparent-total-tract-digestibility-in-dogs
#4
Carlo Pinna, Carla Giuditta Vecchiato, Carmen Bolduan, Monica Grandi, Claudio Stefanelli, Wilhelm Windisch, Giuliano Zaghini, Giacomo Biagi
BACKGROUND: Feeding dogs with diets rich in protein may favor putrefactive fermentations in the hindgut, negatively affecting the animal's intestinal environment. Conversely, prebiotics may improve the activity of health-promoting bacteria and prevent bacterial proteolysis in the colon. The aim of this study was to evaluate the effects of dietary supplementation with fructooligosaccharides (FOS) on fecal microbiota and apparent total tract digestibility (ATTD) in dogs fed kibbles differing in protein content...
March 20, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29471815/glucocorticosteroids-and-ciclosporin-do-not-significantly-impact-canine-cutaneous-microbiota
#5
Giovanni Widmer, Lluís Ferrer, Claude Favrot, Judy Paps, Kevin Huynh, Thierry Olivry
BACKGROUND: As prednisone and ciclosporin can have immunosuppressive effects and have been considered potential predisposing factors for skin infections, we investigated the impact of these drugs on the diversity of the cutaneous microbiota, the abundance of Malassezia and infection with Papillomaviruses. RESULTS: Six atopic, asymptomatic Maltese-beagle dogs were treated with ciclosporin for one month and then with prednisone for another month, with a one-month wash-out between treatments...
February 23, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29460302/fecal-microbiota-transplantation-in-puppies-with-canine-parvovirus-infection
#6
Giorgio Q Pereira, Lucas A Gomes, Iago S Santos, Alice F Alfieri, J S Weese, Marcio C Costa
BACKGROUND: Diarrhea associated with parvovirus infection is common in dogs. Supportive care is the mainstay of treatment, but recovery may be prolonged and mortality rate can be high. Modification of the intestinal bacterial microbiota has been promising in human and veterinary medicine as an adjunctive treatment of various enteric diseases. OBJECTIVES: To investigate the safety and efficacy of fecal microbiota transplantation (FMT) on the clinical recovery of puppies with acute hemorrhagic diarrhea syndrome...
March 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29225968/metabolic-differences-between-dogs-of-different-body-sizes
#7
Rondo P Middleton, Sebastien Lacroix, Marie-Pier Scott-Boyer, Nikola Dordevic, Adam D Kennedy, Amanda R Slusky, Jerome Carayol, Christina Petzinger-Germain, Alison Beloshapka, Jim Kaput
Introduction: The domesticated dog, Canis lupus familiaris , has been selectively bred to produce extreme diversity in phenotype and genotype. Dogs have an immense diversity in weight and height. Specific differences in metabolism have not been characterized in small dogs as compared to larger dogs. Objectives: This study aims to identify metabolic, clinical, and microbiota differences between small and larger dogs. Methods: Gas chromatography/mass spectrometry, liquid chromatography/tandem mass spectrometry, clinical chemistry analysis, dual-energy X-ray absorptiometry, and 16S pyrosequencing were used to characterize blood metabolic, clinical, and fecal microbiome systems, respectively...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/29202841/the-response-of-canine-faecal-microbiota-to-increased-dietary-protein-is-influenced-by-body-condition
#8
Jia Xu, Adronie Verbrugghe, Marta Lourenço, An Cools, Daisy J X Liu, Tom Van de Wiele, Massimo Marzorati, Venessa Eeckhaut, Filip Van Immerseel, Lynn Vanhaecke, Miguel Campos, Myriam Hesta
BACKGROUND: High protein diets shift the faecal microbiota into a more unfavourable composition in obese humans. In lean dogs, higher protein consumption is accompanied with increased production of putrefactive fermentation products, whereas obese dogs have a different gut microbiota compared to lean dogs. Still, the impact of high dietary protein on gut microbiota in obese dogs remains unclear. The aim of this study was to investigate faecal microbial changes in lean and obese dogs in response to two different levels of dietary protein...
December 4, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29152844/faecal-microbiota-in-dogs-with-multicentric-lymphoma
#9
A Gavazza, G Rossi, G Lubas, M Cerquetella, Y Minamoto, J S Suchodolski
Malignant lymphoma B-cell type is the most common canine haematopoietic malignancy. Changes in intestinal microbiota have been implicated in few types of cancer in humans. The aim of this prospective and case-control study was to determine differences in faecal microbiota between healthy control dogs and dogs with multicentric lymphoma. Twelve dogs affected by multicentric, B-cell, stage III-IV lymphoma, and 21 healthy dogs were enrolled in the study. For each dog, faecal samples were analysed by Illumina sequencing of 16S rRNA genes and quantitative PCR (qPCR) for selected bacterial groups...
March 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29145794/analysis-of-bacterial-and-fungal-nucleic-acid-in-canine-sterile-granulomatous-and-pyogranulomatous-dermatitis-and-panniculitis
#10
Fabio B Rosa, Caitlin E Older, Courtney Meason-Smith, Jan S Suchodolski, Sonia Lingsweiler, Joanne E Mansell, Aline Rodrigues Hoffmann
Next generation sequencing (NGS) studies are revealing a diverse microbiota on the skin of dogs. The skin microbiota of canine sterile granulomatous and pyogranulomatous dermatitis (SGPD) has yet to be investigated using NGS techniques. NGS targeting the 16S rRNA and ITS-1 region of bacterial and fungal DNA, respectively, were used to investigate if bacterial and fungal DNA were associated with skin lesions in cases of canine SGPD. The study included 20 formalin-fixed paraffin-embedded (FFPE) skin samples and 12 fresh samples from SGPD-affected dogs, and 10 FFPE and 10 fresh samples from healthy dogs...
January 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29029635/individual-signatures-and-environmental-factors-shape-skin-microbiota-in-healthy-dogs
#11
Anna Cuscó, Janelle M Belanger, Liza Gershony, Alma Islas-Trejo, Kerinne Levy, Juan F Medrano, Armand Sánchez, Anita M Oberbauer, Olga Francino
BACKGROUND: The individual, together with its environment, has been reported as the main force driving composition and structure of skin microbiota in healthy dogs. Therefore, one of the major concerns when analyzing canine skin microbiota is the likely influence of the environment. Despite the dense fur covering, certain skin diseases exhibit differential prevalence among skin sites, dog breeds, and individuals. RESULTS: We have characterized the normal variability of dog skin microbiota in a well-controlled cohort of a large number of Golden-Labrador Retriever crossed dogs (N = 35) with similar ages, related genetic background, and a shared environment...
October 13, 2017: Microbiome
https://www.readbyqxmd.com/read/28993566/fecal-microbiome-in-dogs-with-inflammatory-bowel-disease-and-intestinal-lymphoma
#12
Marie Omori, Shingo Maeda, Hirotaka Igarashi, Koichi Ohno, Kosei Sakai, Tomohiro Yonezawa, Ayako Horigome, Toshitaka Odamaki, Naoaki Matsuki
Although alteration of commensal microbiota is associated with chronic gastrointestinal (GI) diseases such as inflammatory bowel disease (IBD) in dogs, the microbiota composition in intestinal lymphoma, an important differential diagnosis of canine IBD, has not been investigated. The objective of this study was to compare the fecal microbiota in dogs with IBD, dogs with intestinal lymphoma, and healthy dogs. Eight dogs with IBD, eight dogs with intestinal lymphoma, and fifteen healthy dogs were included in the study...
November 17, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28934260/characterization-of-the-nasal-and-oral-microbiota-of-detection-dogs
#13
MULTICENTER STUDY
Anitha Isaiah, Aline Rodrigues Hoffmann, Russ Kelley, Paul Mundell, Jörg M Steiner, Jan S Suchodolski
Little is known about physiological factors that affect the sense of olfaction in dogs. The objectives of this study were to describe the canine nasal and oral microbiota in detection dogs. We sought to determine the bacterial composition of the nasal and oral microbiota of a diverse population of detection canines. Nasal and oral swabs were collected from healthy dogs (n = 81) from four locations-Alabama, Georgia, California, and Texas. Nasal and oral swabs were also collected from a second cohort of detection canines belonging to three different detection job categories: explosive detection dogs (SP-E; n = 22), patrol and narcotics detection dogs (P-NDD; n = 15), and vapor wake dogs (VWD-E; n = 9)...
2017: PloS One
https://www.readbyqxmd.com/read/28771910/fecal-markers-of-inflammation-protein-loss-and-microbial-changes-in-dogs-with-the-acute-hemorrhagic-diarrhea-syndrome-ahds
#14
Romy M Heilmann, Melissa M Guard, Jörg M Steiner, Jan S Suchodolski, Stefan Unterer
BACKGROUND: Idiopathic acute hemorrhagic diarrhea syndrome (AHDS) is characterized by acute onset of bloody diarrhea, severe dehydration, and increased vascular and intestinal mucosal permeability. Markers of gastrointestinal inflammation, protein loss, and changes in the intestinal microbiota have not been studied extensively in dogs with AHDS. KEY FINDINGS: For 3 consecutive days, feces were collected from dogs with AHDS, and assayed for calprotectin and S100A12 (both markers of inflammation), α1 -proteinase inhibitor (a marker of gastrointestinal protein loss), and the presence of selected species of bacteria...
September 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28758797/an-in-vitro-evaluation-of-the-effects-of-a-yucca-schidigera-extract-and-chestnut-tannins-on-composition-and-metabolic-profiles-of-canine-and-feline-faecal-microbiota
#15
Carlo Pinna, Carla Giuditta Vecchiato, Vladimiro Cardenia, Maria Teresa Rodriguez-Estrada, Claudio Stefanelli, Monica Grandi, Pier Paolo Gatta, Giacomo Biagi
The in vitro effect of a Yucca schidigera extract (YSE) and tannins from chestnut wood on composition and metabolic activity of canine and feline faecal microbiota was evaluated. Four treatments were carried out: control diet, chestnut tannins (CT), YSE and CT + YSE. The YSE was added to canine and feline faecal cultures at 0.1 g/l, while CT were added at 0.3 g/l for a 24-h incubation. A total of 130 volatile compounds were detected by means of headspace-solid phase microextraction gas-chromatography/mass spectrometry analyses...
October 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28721546/health-benefits-observed-after-probiotic-lactobacillus-fermentum-ccm-7421-application-in-dogs
#16
REVIEW
Viola Strompfová, Ivana Kubašová, Andrea Lauková
The importance of the intestinal microbiota has attracted much interest in recent years particularly with respect to ways in which the microbiota can be manipulated in order to improve health. Improving gut health through the use of probiotic microorganisms has become an area of research activity in both human and animal nutrition. However, the amount of research using companion animals is insufficient. The present review evaluates and compares the effects achieved after application of canine-derived probiotic strain Lactobacillus fermentum CCM 7421 to healthy dogs as well as to dogs suffering from gastrointestinal disorders...
August 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28678609/randomized-controlled-trial-evaluating-the-effect-of-multi-strain-probiotic-on-the-mucosal-microbiota-in-canine-idiopathic-inflammatory-bowel-disease
#17
Robin White, Todd Atherly, Blake Guard, Giacomo Rossi, Chong Wang, Curtis Mosher, Craig Webb, Steve Hill, Mark Ackermann, Peter Sciabarra, Karin Allenspach, Jan Suchodolski, Albert E Jergens
The intestinal microbiota is increasingly linked to the pathogenesis of idiopathic inflammatory bowel disease (IBD) in dogs. While studies have reported alterations in fecal (luminal) microbial populations, only limited information is available about the mucosal microbiota of IBD dogs at diagnosis and following medical therapy. Our aim was to characterize the mucosal microbiota and determine the clinical, microbiological, and mucosal homeostatic effects of probiotic treatment in dogs with IBD. Thirty four IBD dogs were randomized to receive standard therapy (ST = diet + prednisone) with or without probiotic...
September 3, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28630705/physiological-effects-of-stress-related-to-helicopter-travel-in-federal-emergency-management-agency-search-and-rescue-canines
#18
E Perry, N Gulson, T-W Liu Cross, K S Swanson
Working canines are deployed by the Federal Emergency Management Agency (FEMA), as part of a National Disaster Response Plan. Stress associated with helicopter flight and the resulting physical effects on the dog are unknown. Our objective was to test the hypotheses that (1) helicopter travel affects the physiology and faecal microbiota of working canines, but that (2) physiological consequences of helicopter travel will not negatively affect their work performance. A total of nine FEMA canines were loaded onto helicopters and flown for 30 min in July 2015...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28568309/effect-of-soybean-husk-supplementation-on-the-fecal-fermentation-metabolites-and-microbiota-of-dogs
#19
Htun Myint, Yu Iwahashi, Satoshi Koike, Yasuo Kobayashi
In vitro fermentation and in vivo feeding experiments were conducted to characterize the effects of soybean (Glycine max) husk on the fecal fermentation metabolites and microbiota of dogs. An in vitro fermentation study using feces from three Toy Poodle dogs (6.5 ± 3.5 months in age and 2.9 ± 0.4 kg in body weight) revealed that the fecal inoculum was able to ferment soybean husk (supplemented at 0.01 g/mL culture) and increased levels of short chain fatty acids (SCFA) and Bifidobacterium, irrespective of pre-digestion of the husk by pepsin and pancreatin...
November 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28558792/a-diet-change-from-dry-food-to-beef-induces-reversible-changes-on-the-faecal-microbiota-in-healthy-adult-client-owned-dogs
#20
Kristin M V Herstad, Karina Gajardo, Anne Marie Bakke, Lars Moe, Jane Ludvigsen, Knut Rudi, Ida Rud, Monika Sekelja, Ellen Skancke
BACKGROUND: Diet has a major influence on the composition of the gut microbiota, whose importance for gut health and overall well-being is increasingly recognized. Knowledge is limited regarding health implications, including effects on the faecal microbiota, of feeding a diet with high content of red meat to dogs, despite some owners' apparent preference to do so. The aim of this study was to evaluate how a diet change from commercial dry food to one with a high content of boiled minced beef and vice versa influenced the faecal microbiota, and short chain fatty acid profile in healthy, adult, client-owned dogs...
May 30, 2017: BMC Veterinary Research
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