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Diversity and host assemblage of avian haemosporidians in different terrestrial ecoregions of Peru

Current Zoology 2022年第1期68卷 27-40页

作者： Luz GARCIA-LONGORIA Jaime MURIEL Sergio MAGALLANES Zaira Hellen VILLA-GALARCE Leonila RICOPA Wilson Giancarlo INGA-DIAZ Esteban FONG Daniel VECCO Cesar GUERRA-SALDANA Teresa SALAS-RENGIFO Wendy FLORES-SAAVEDRA Kathya ESPINOZA Carlos MENDOZA Blanca SALDANA Manuel GONZALEZ-BLAZQUEZ Henry GONZALES-PINEDO Charlene LUJAN-VEGA Carlos Alberto del AGUILA Yessica VILCA-HERRERA Carlos Alberto PINEDA Carmen REATEGUI Jorge Manuel CARdeNAS-CALLIRGOS JoseAlberto IANNACONE Jorge Luis MENDOZA Ravinder NMSEHGAL Alfonso MARZAL departamento de Anatomia Biologia Celular y ZoologiaUniversidad de ExtremaduraBadajoz E-506071Spain Molecular Ecology and Evolution Lab Department of BiologyLund UniversitySolvegatan 37SE-22362 LundSweden Instituto Pirenaico de Ecologıa-IPE(CSIC) Avda.Nuestra Senora de la Victoria 16Jaca 22700Spain DIRESA Direccion Regional de SaludLoreto 16001Peru departamento Academico de Microbiologia y Parasitologia.facultad de Ciencias Biologicas Universidad Nacional de la Amazonia PeruanaIquitos 16001Peru facultad de Ciencias Agropecuarias Universidad Alas PeruanasLima 15823Peru EverGreen Institute-San Rafael Distrito de IndianaLoreto 16200Peru Observatorio de Aves Loreto(LBO) Distrito de San JuanLoreto 16008Peru Centro Urku de Estudios Amazonicos Tarapoto 22200Peru Servicio Nacional de Areas Naturales Protegidas por el Estado 15036Peru Sanidad Animal-Facultad de Zootecnia Universidad Nacional Agraria La MolinaLima 15012Peru Laboratorio de Microbiologia Facultad de Medicina Veterinaria y ZootecniaUniversidad CientUfica del SurLima 15067Peru Laboratorio de Analisis Clinico Moraleslab SAC MoralesSan Martin 22201Peru Asociacion Ecosistemas Andinos(ECOAN) Cuzco 08002Peru Pharmacology and Toxicology Graduate Group University of CaliforniaDavisDA 95616USA Global Health Initiative Wabash CollegeCrawfordsvilleIN 47933USA facultad de Ciencias Biologicas Universidad Nacional Mayor de San MarcosLima 15081Peru facultad de Medicina Veterinaria Universidad Nacional Hermilio ValdizanHuanuco10160Peru Asociacion Peruana de Helmintologia e Invertebrados Afines Lima 15054Peru Laboratorio de Ecologia y Biodiversidad animal Universidad Nacional Federico VillarrealEl AgustinoLima 15007Peru Laboratorio de Invertebrados Universidad Ricardo Palma-Santiago de SurcoLima 15537Peru department of Biology San Francisco State UniversitySan FranciscoCA 94132USA

Characterizing the diversity and structure of host–parasite communities is crucial to understandingtheir eco-evolutionary dynamics.Malaria and related haemosporidian parasites are responsible forfitness loss and mortality in bird species worldwide.However,despite exhibiting the greatest ornithologicalbiodiversity,avian haemosporidians from Neotropical regions are quite unexplored.Here,we analyze the genetic diversity of bird haemosporidian parasites(Plasmodium andHaemoproteus)in 1,336 individuals belonging to 206 bird species to explore for differences in diversityof parasite lineages and bird species across 5 well-differentiated Peruvian ecoregions.Wedetected 70 different haemosporidian lineages infecting 74 bird species.We showed that 25 out ofthe 70 haplotypes had not been previously recorded.Moreover,we also identified 81 new host–parasite interactions representing new host records for these haemosporidian parasites.Our outcomesrevealed that the effective diversity(as well as the richness,abundance,and Shannon–Weaver index)for both birds and parasite lineages was higher in Amazon basin ecoregions.Furthermore,we also showed that ecoregions with greater diversity of bird species also had highparasite richness,hence suggesting that host community is crucial in explaining parasite richness.Generalist parasites were found in ecoregions with lower bird diversity,implying that the abundanceand richness of hosts may shape the exploitation strategy followed by haemosporidian parasites.These outcomes reveal that Neotropical region is a major reservoir of unidentified haemosporidianlineages.Further studies analyzing host distribution and specificity of these parasites inthe tropics will provide important knowledge about phylogenetic relationships,phylogeography,and patterns of evolution and distribution of haemosporidian parasites.

关键词： Amazonia avian malaria generalist parasite habitat specificity Haemoproteus Plasmodium specialist parasite

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Effect of full-fat sunflower or flaxseed seeds dietary inclusion on performance,egg yolk fatty acid profile and egg quality in laying hens

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animal Nutrition 2020年第2期6卷 179-184页

作者： Yandy J.Aguillón-Páez Laura A.Romero Gonzalo J.Diaz facultad de Ciencias Agropecuarias Universidad de CundinamarcaFusagasugá252211Colombia facultad de Medicina Veterinaria y de zootecnia Universidad Nacional de ColombiaBogotá111321Colombia

A study was conducted to evaluate the effect of the dietary inclusion of full-fat flaxseed of full-fat sunflower seeds on performance parameters,egg quality parameters and egg yolk fatty acid profile in laying hens.A total of 150 Babcock Brown hens at 27 weeks of age were distributed in 3 experimental treatments,as follows:T1,control;T2,diet containing 13.5% full-fat whole flaxseed seeds;and T3,diet containing 13.5% full-fat ground sunflower seeds.Feed and water were provided ad libitum and the experiment lasted for 8 weeks.No significant differences were found on egg quality parameters,but total egg production and rate of lay were significantly(P ded to determine the level of inclusion of full-fat sunflower seeds that does not affect performance.

关键词： Flaxseed Sunflower Polyunsaturated fatty acid Laying hens Egg quality Performance

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Xylanase, protease and superdosing phytase interactions in broiler performance, carcass yield and digesta transit time

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animal Nutrition 2017年第2期3卷 121-126页

作者： Tiago T.dos Santos Helen V.Masey O'Neill Gemma González-Ortiz Daniel Camacho-Fernández Carlos López-Coello AB Vista facultad de Medicina Veteriaria y zootecnia Universidad Nacional Autónoma de México

The interaction of xylanase, protease and superdosing(1,500 FTU/kg) phytase in a 2×2×2 factorial arrangement was studied in broilers fed sorghum-based diets. A total of 2,800 one-day-old unsexed Ross308 chicks were housed in 56 pens with 50 birds per pen, with or without inclusion of xylanase, protease and phytase, totaling 8 treatments and 7 replicates per treatment. Body weight(BW) and feed intake(FI)were measured at 21 and 42 days of age, and mortality corrected feed conversion ratio(FCR) was calculated for each period and cumulatively. Tibia ash and carcass yield were determined in 2 birds per replicate at 21 and 42 days of age, respectively. Digesta transit time was determined at 21, 28, 35 and 42 days of age using 5 birds per replicate. Results showed that superdosing phytase increased BW and FI at42 days of age(P ded in a diet containing xylanase, and no change with protease inclusion. In conclusion, the beneficial effects of xylanase, protease and superdosing phytase in broiler performance were not additive. This limitation is likely not related to the lack of efficacy of any one of the individual enzymes but to a limitation of the bird to respond additively to successive additions of enzymes.

关键词： Sorghum Tibia ash Sub-additivity Exogenous enzyme

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Effect of protease supplementation on apparent ileal crude protein and amino acid digestibility of over-processed soybean meals in broilers

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Journal of animal Science and Biotechnology 2022年第6期13卷 1810-1817页

作者： Sergio Salazar-Villanea Maikol Astúa-Ureña Allison Masís-Montoya Juan I.Herrera-Muñoz Catalina Salas-Durán Escuela de zootecnia Universidad de Costa RicaSan JoséCosta Rica Centro de Investigación en Nutrición animal Universidad de Costa RicaSan JoséCosta Rica

Background: Nutritional value of proteins in feed ingredients can be negatively affected by hydrothermal processing, which causes large variation in the bioavailability of amino acids(AA) and negatively affects animal productive performance. Supplementation of exogenous proteases could increase the rate of digestion of damaged proteins, thereby increasing overall AA digestibility and bioavailability. The aim was to determine the effect of exogenous protease supplementation on the apparent ileal digestibility(AID) of crude protein(CP) and AA of soybean meals(SBM) with different degrees of hydrothermal processing in broilers.Methods: The experiment involved a 3 × 2 factorial arrangement, with SBM processing time(commercial SBM or autoclaved for 30 or 60 min at 120 ℃) and protease supplementation(not supplemented and supplemented) as factors. Protease was included at three times the recommended dose(0.06%) and the experimental diets were fed from 15 to 21 d.Results: The interaction between the effects of SBM processing and protease supplementation was significant for the AID of CP(P = 0.01), Trp(P = 0.01), Gly(P = 0.03) and Pro(P = 0.03), and also for the average daily gain(P = 0.01)and feed conversion ratio(P = 0.04). Increasing the processing time of SBM decreased(P < 0.0001) the AID of all amino acids, whilst the effect of protease supplementation was only significant for the AID of Phe(P = 0.02) and Tyr(P = 0.01).Conclusions: Exogenous protease supplementation at three times the commercial dose does not seem to offset the negative effects of hydrothermal processing of SBM on the apparent ileal digestibility of CP and amino acids or performance of broilers. Whilst positive numerical improvements of digestibility and performance(ADG and FCR)were noticed with protease supplementation at relatively mild processing levels, negative results were obtained with the harsh-processed meals.

关键词： Amino acids Apparent ileal digestibility Broilers Exogenous protease

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Extracellular vesicles from oviductal and uterine fluids supplementation in sequential in vitro culture improves bovine embryo quality

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Journal of animal Science and Biotechnology 2023年第1期14卷 114-133页

作者： Cláudia Lima Verde Leal Karina Canón-Beltrán Yulia N.Cajas Meriem Hamdi Aracelli Yaryes María Gemma Millán de la Blanca Paula Beltrán-Brena Rosane Mazzarella Juliano Coelho da Silveira Alfonso Gutiérrez-Adán Encina M González Dimitrios Rizos department of animal Reproduction National Center Institute for Agriculture and Food Research and Technology(CSIC-INIA)28040 MadridSpain. departamento de Medicina Veterinaria Faculdade de Zootecnia e Engenharia de AlimentosUniversidade de Sao Paulo(FZEA-USP)PirassunungaBrazil. facultad de Ciencias Agrarias y Ambientales Programa de Medicina VeterinariaFundacion Universitaria Juan de CastellanosTunjaColombia. Laboratorio de Biotecnologia de la Reproduccion animal Facultad de Ciencias AgropecuariasUniversidad de Cuenca(UC)EC010205 CuencaEcuador. department of Anatomy and Embryology Veterinary Faculty-Universidad Complutense de Madrid(UCM)MadridSpain.

Background:In vitro production of bovine embryos is a well-established technology,but the in vitro culture(IVC)system still warrants improvements,especially regarding embryo quality.This study aimed to evaluate the effect of extracellular vesicles(EVs)isolated from oviductal(OF)and uterine fluid(UF)in sequential IVC on the development and quality of bovine embryos.Zygotes were cultured in SOF supplemented with either BSA or EVs-depleted fetal calf serum(dFCS)in the presence(BSA-EV and dFCS-EV)or absence of EVs from OF(D1 to D4)and UF(D5 to D8),mimicking in vivo conditions.EVs from oviducts(early luteal phase)and uterine horns(mid-luteal phase)from slaughtered heifers were isolated by size exclusion chromatography.Blastocyst rate was recorded on days 7-8 and their quality was assessed based on lipid contents,mitochondrial activity and total cell numbers,as well as survival rate after vitrification.Relative mRNA abundance for lipid metabolism-related transcripts and levels of phosphorylated hormonesensitive lipase(pHSL)proteins were also determined.Additionally,the expression levels of 383 miRNA in OF-and UF-EVs were assessed by qRT-PCR.Results:Blastocyst yield was lower(Pdecreased in dFCSEV(P0.05).Lipid metabolism transcripts were affected by EVs and showed interaction with type of protein source in medium(PPARGC1B,LDLR,CD36,FASN and PNPLA2,Pdevelopment but improves blastocyst quality regarding survival rate after vitr

关键词： Cattle Cryopreservation Embryo development Exosomes Lipid metabolism miRNAs Oviduct Uterus

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Evaluation of curcumin and copper acetate against Salmonella Typhimurium infection,intestinal permeability,and cecal microbiota composition in broiler chickens

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Journal of animal Science and Biotechnology 2021年第3期12卷 1019-1030页

作者： Anaisa ALeyva-Diaz Daniel Hernandez-Patlan Bruno Solis-Cruz Bishnu Adhikari Young Min Kwon Juan D.Latorre Xochitl Hernandez-Velasco Benjamin Fuente-Martinez Billy M.Hargis Raquel Lopez-Arellano Guillermo Tellez-Isaias departamento de Medicina y zootecnia de Aves Facultad de Medicina Veterinaria y ZootecniaUNAM04510 Ciudad de MexicoMexico Laboratorio 5:LEdeFAR Unidad de Investigacion MultidisciplinariaFacultad de Estudios Superiores(FES)CuautitlanUniversidad Nacional Autonoma de Mexico(UNAM)54714 Cuautitlan IzcalliMexico department of Poultry Science Center of Excellence for Poultry ScienceUniversity of Arkansas1260 W.MaplePOSC 0-114FayettevilleAR 72704USA Centro de Ensenanza Investigacion y Extension en Produccion AvicolaFacultad de Medicina Veterinaria y ZootecniaUNAMCiudad de MexicoMexico

Background:Interest in the use of natural feed additives as an alternative to antimicrobials in the poultry industry has increased in recent years because of the risk of bacterial resistance.One of the most studied groups are polyphenolic compounds,given their advantages over other types of additives and their easy potentiation of effects when complexes are formed with metal ions.Therefore,the objective of the present study was to evaluate the impact of dietary supplementation of copper acetate(CA),curcumin(CR),and their combination(CA-CR)against Salmonella Typhimurium colonization,intestinal permeability,and cecal microbiota composition in broiler chickens through a laboratory Salmonella infection model.S.Typhimurium recovery was determined on day 10 post-challenge by isolating Salmonella in homogenates of the right cecal tonsil(12 chickens per group)on Xylose Lysine Tergitol-4(XLT-4)with novobiocin and nalidixic acid.Intestinal integrity was indirectly determined by the fluorometric measurement of fluorescein isothiocyanate dextran(FITC-d)in serum samples from blood obtained on d 10 post-S.Typhimurium challenge.Finally,microbiota analysis was performed using the content of the left caecal tonsil of 5 chickens per group by sequencing V4 region of 16S rRNA gene.Results:The results showed that in two independent studies,all experimental treatments were able to significantly reduce the S.Typhimurium colonization in cecal tonsils(CT,Pdependent studies.Furthermore,the serum fluorescein isothiocyanate dextran(FITC-d)concentration in chickens treated with CR was significantly lower when compared to PC(P=0.0084),which is related to a decrease in intestinal permeability and therefore intestinal integrity.The effect of dietary treatments in reducing Salmonella was further supported by the analysis of 16S rRNA gene sequences using Linear discriminant analysis effect size(LEfSe)sin

关键词： Broiler chickens Copper acetate Curcumin Intestinal permeability Microbiota composition Salmonella Typhimurium

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Epidemiological Aspects and Clinicopathological Findings in Cats Naturally Infected with Feline Leukemia Virus (FeLV) and/or Feline Immunodeficiency Virus (FIV)

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Open Journal of Veterinary Medicine 2012年第1期2卷 13-20页

作者： Victorio M. Collado Ana Domenech Guadalupe Miró Sonsoles Martin Elena Escolar Esperanza Gomez-Lucia departamento Medicina y Cirugía animal Facultad de Veterinaria Universidad Complutense Madrid Spain departamento sanidad animal facultad de Veterinaria Universidad Complutense Madrid Spain

Infections produced by feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV), two of the most prevalent pathogens in cats, range from passing unnoticed to presenting a wide variety of clinical signs. Different epidemiological, clinical, hematological and virological parameters were analyzed in 78 FIV- and/or FeLV-infected cats. FeLV-infected (FeLV+) cats were considerably younger than FIV-infected (FIV+) cats, and in general were seen to have a more severe disease than FIV+ cats. Around one third of the cats presented anemia, and neutropenia was also frequently observed. Though a higher percentage of FIV+ than FeLV+ cats had altered leukocyte counts, FeLV+ cats had altered counts of both neutrophils and lymphocytes more frequently than FIV+, which usually presented only either altered neutrophils or lymphocyte counts. Virological markers were only detected in FeLV+cats, either as mono- or dual-infection, and correlated with the severity of the disease, but not in FIV+ cats. In conclusion, these results suggest that FeLV affects more blood cell types and provokes death of affected animals at a much earlier age than FIV and that the severity of the disease seemed to depend on the viral status of the cat.

关键词： FIV FeLV Epidemiology Hemogram CD4:CD8 Ratio

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Effects of maternal dietary omega-3 polyunsaturated fatty acids and methionine during late gestation on fetal growth,DNA methylation,and mRNA relative expression of genes associated with the inflammatory response,lipid metabolism and DNA methylation in placenta and offspring’s liver in sheep

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Journal of animal Science and Biotechnology 2021年第2期12卷 611-625页

作者： Milca Rosa Velazquez Fernanda Batistel Juan Manuel Pinos Rodriguez Alejandro Enrique Relling facultad de Medicina Veterinaria y zootecnia Universidad Veracruzana91710 VeracruzMexico department of animal Science Ohio Agricultural Research and Development Center(OARDC)The Ohio State University114 Gerlaugh Hall1680 Madison AveWoosterOH 44691USA department of animal Dairy and Veterinary SciencesUtah State UniversityLoganUT 84322USA

Background:Omega-3 PUFA or methionine(Met)supply during gestation alters offspring physiology.However,the effect of both nutrients on fetal development has not been explored.Our objective was to determine the effects of supplementation of these two nutrients during late gestation on fetal growth,DNA methylation,and mRNA expression of genes associated with the inflammatory response,and DNA methylation.Ewes(n=5/treatment)were fed from day 100 to 145 of gestation one of the following treatments:1)basal diet(NS)without fatty acids(FS)or methionine(MS)supplementation;2)FS(10 g/kg Ca salts,source omega-3 PUFA);3)MS(1 g/kg rumen protected methionine);and 4)FS and MS(FS-MS).On day 145,ewes were euthanized,and data from dams and fetus was recorded.Placenta(cotyledon),fetal liver,and blood samples were collected.Results:A treatments interaction on fetal liver weight,ewe body weight and body condition score(BCS)was observed;FS-MS were heavier(Pded to decrease(P=0.06)methionine-adenosyltransferase-1A.Moreover,MS decreased(P=0.04)DNA-methyltransferase-1 and tended to decrease(P=0.08)free-fatty-acid-receptor-1 mRNA relative expression.Furthermore,FS-MS decreased mRNA relative expression of tumor-necrosis-factor-alpha(P=0.05),peroxisomeproliferator-activated-receptor-delta(P=0.03)and gamma(P=0.04),tended to decrease(P≤0.09)interleukin-6,fatty-acid-transport-protein-1,and delta-5-desaturase,and increased adenosylhomocysteinase(P=0.04)mRNA relative expression.In cotyledon,FS tended to decrease fatty acid binding protein 4(P=0.09)mRNA relative expression.Conclusion:Omega-3 PUFA and Met supplementation improves dam’s performance in lat

关键词： Fat supplementation Fetal programming Maternal nutrition Nutrients Rumen protected methionine

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development of a chromatographic lateral flow immunoassay for detection of African swine fever virus antigen in blood

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animal Diseases 2022年第3期2卷 139-153页

作者： Daniel W.Madden Sun-Young Sunwoo Natasha N.Gaudreault Jessie D.Trujillo Igor Morozov Carmina Gallardo Juergen A.Richt department of Diagnostic Medicine/Pathobiology College of Veterinary MedicineKansas State UniversityManhattanKSUSA Centro de Investigación en sanidad animal(CISA-INIA/CSIC) MadridSpain

African swine fever(ASF)is a highly lethal disease of domestic and wild swine caused by African swine fever virus(ASFV).The disease currently circulates in Africa,Europe,Asia and on the island of Hispaniola.The ongoing epizootics in Europe and Asia have produced millions of animal deaths and severe economic losses.No effective vaccine is available for ASF,making rapid and accurate detection of ASFV essential for disease mitigation strategies.Currently available diagnostics for ASFV possess significant limitations related to assay performance,deployability,and/or turn-around time;therefore there is an unmet need for pen-side diagnostic tests with sufficient sensitivity and specificity.A chromatographic lateral flow immunoassay(LFIA)was developed for the detection of ASFV antigen in EDTA-treated whole blood using monoclonal antibodies targeting the viral p30 protein.The assay requires only water to perform and provides results in 25 min,making it well-suited for field use.The LFIA was capable of detecting genotype I and genotype II strains of ASFV in EDTA blood from experimentally infected pigs at varying time-points after infection,though it was unable to detect a genotype X ASFV strain.Diagnostic sensitivity correlated with clinical disease severity,body temperature,and viral DNA levels,and was over 90%in animals showing moderate to severe ASF-related symptoms after challenge with virulent genotype II virus.The LFIA also showed a robust diagnostic specificity of over 98%,which is essential to field testing for a high consequence to foregin animal disease.The LFIA targeting the viral p30 protein can reliably detect ASFV in whole blood from animals showing moderate to severe clinical signs of infection with virulent genotype I and II isolates,making it a promising candidate for use as a field-deployable antigen detection assay.Additional evaluation using field samples and different virus strains is required to further assess the utility of this rapid diagnostic test.

关键词： African swine fever Lateral flow immunoassay Point of care diagnostics

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Clinicopathological alterations in wild mammals from the reservoir system of Trypanosoma cruzi:a scoping review

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animal Diseases 2024年第1期4卷 48-58页

作者： Ricardo Sanchez Pérez JoséManuel Aranda-Coello JoséAntonio de Fuentes Vicente Oscar Rico Chavez facultad de Estudios Superiores Cuautitlan Universidad Nacional Autonoma deMexicoCuautitlan lzcalliEstadodeMexicoMexico El Colegio de la Frontera Sur-Unidad Campeche CampecheCampecheMexico Instituto de Ciencias Biologicas-Universidad de Ciencias y Artes de Chiapas Tuxtla GutierrezChiapasMexico facultad de Medicina Veterinaria y zootecnia-Universidad Nacional Autonoma deMexico Ciudad deMexicoMexico

Trypanosoma cruzi is the etiologic agent of Chagas disease.This flagellated protozoan is transmitted to humans as well as different species of domestic and wild animals via vectors from the Reduviidae family(known as"kissing bugs").despite the fact that hundreds of species of wild mammals are part of the reservoir system,the morphologi-cal changes and clinical manifestations resulting from the pathogenesis of the infection have been largely neglected.The aim of this review is to systematically compile the available information regarding clinicopathological altera-tions in wild mammals due to natural infection by T.cruzi.Information was obtained from six online bibliographic data search platforms,resulting in the identification of 29 publications that met the inclusion criteria.Mortality was the most common clinical manifestation,cardiac damage was the main finding at necropsy,and lymphoplas-macytic inflammation was the most frequent microscopic injury.Thus,regardless of its role as a reservoir,T.cruzi has the potential to affect the health status of wild mammals,a situation that highlights the need for further research to analyze,measure,and compare its effects at both the individual and population levels.

关键词： Trypanosoma cruzi Chagas disease American trypanosomiasis Clinicopathological alterations Natural infection Wild mammals

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