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Comparing the intestinal bacterial communies of sympatric wintering hooded crane (Grus monacha) and Domestic Goose(Anser anser domesticus)

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Avian Research 2020年第2期11卷 106-114页

作者： Rong Fu Xingjia Xiang Yuanqiu Dong Lei Cheng Lizhi Zhou School of Resources and Environmental Engineering Anhui UniversityHefei 230601China Anhui Province Key Laboratory of Wetland Ecological Protection and Restoration(Anhui University) Hefei 230601China

Background:Gut microbiota play crucial roles in host *** birds and domestic poultry often occupy sympatric habitats,which facilitate the mutual transmission of intestinal ***,the distinct intestinal microbial communities between sympatric wild birds and poultry remain *** present,the risk of interspecies transmission of pathogenic bacteria between wild and domestic host birds is also a research ***:This study compared the intestinal bacterial communities of the overwintering hooded crane(Grus monacha)and the Domestic Goose(Anser anser domesticus)at Shengjin Lake,China,using Illumina high-throughput sequencing technology(Mi-Seq platform).Results:Our results revealed that Firmicutes,Actinobacteria,Proteobacteria,Bacteroidetes and Chloroflexi were the dominant bacterial phyla in both *** gut bacterial community composition differed significantly between sympatric hooded cranes and Domestic ***,the hosts exhibited little variation in gut bacterial *** relative abundance of Firmicutes was significantly higher in the guts of the hooded cranes,while the relative abundances of Actinobacteria,Proteobacteria,Bacteroidete and Chloroflexi were significantly higher in guts of Domestic ***,a total of 132 potential pathogenic operational taxonomic units(OTUs)were detected in guts of hooded cranes and Domestic Geese,and 13 pathogenic OTUs(9.8%)were found in both host *** bacterial community composition and diversity differed significantly between ***:The results showed that the gut bacterial community composition differs significantly between sympatric hooded cranes and Domestic *** addition,potential pathogens were detected in the guts of both hooded cranes and Domestic Geese,with 13 pathogenic OTUs overlapping between the two hosts,suggesting that more attention should be paid to wild birds and poultry that might increase the risk of disease transmission in conspecific

关键词： High-throughput sequencing hooded crane Intestinal microbiota Poultry Pathogen

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维普期刊数据库

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Dramatic shifts in intestinal fungal community between wintering hooded crane and Domestic Goose

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Avian Research 2021年第1期12卷 102-107页

作者： Xingjia Xiang Lele Jin Zhuqing Yang Nazhong Zhang Feng Zhang Anhui Province Key Laboratory of Wetland Ecological Protection and Restoration School of Resources and Environmental EngineeringAnhui UniversityHefei 230601China

Background:The intestinal microbiota play remarkable roles in maintaining the health of their *** studies focused on gut bacterial diversity in birds and poultry,with little information about the ecological functions of their gut fungal ***:The high-throughput sequencing was applied to compare intestinal fungal community structure between hooded crane(Grus monacha)and Domestic Goose(Anser anser domesticus),and infer the potential pathogens of each species at Shengjin Lake of ***:Intestinal fungal alpha diversity was higher in hooded crane than Greylag Goose(Anser anser).Gut fungal community composition showed dramatic shifts between the two *** cranes mainly eat Vallisneria natans and Potamogeton malaianus,while artificial hurl food(i.e.,paddy)was the main food resource for Domestic Geese,suggesting that the variations in fungal community might be induced by different diets between the two *** enriched genera(i.e.,Acremonium and Rhodotorula)which could increase host's digestion were detected in guts of hooded *** addition,there were 42 pathogenic amplicon sequence variants(ASVs),17%of which shared in hooded crane and Greylag *** hooded crane had higher gut fungal pathogenic diversity and abundance relative to Greylag ***:The study demonstrated that divergence in intestinal fungal community structure might be induced by different diets between wintering hooded crane and Domestic *** crane might rely more on their gut fungal taxa to acquire nutrients from indigestible food *** study also implied that more research should focus on intestinal pathogens in wild birds and domestic poultry,as they might increase risk of disease in other animals,even human *** degree of cross infection in pathogens among wild birds and sympatric poultry should be clearly verified in future study.

关键词： hooded crane Intestinal fungi Pathogen Poultry Sequencing

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维普期刊数据库

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Shifts in foraging behavior of wintering hooded cranes(Grus monacha) in three different habitats at Shengjin Lake, China

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Chinese Birds 2016年第3期7卷 167-173页

作者： Wenjing Wan Lizhi Zhou Yunwei Song School of Resources and Environmental Engineering Anhui University Institute of Biodiversity and Wetland Ecology Anhui University Anhui Biodiversity Information Center Shengjin Lake National Nature Reserve of Anhui Province

Background: Wetland loss and degradation result in a reduction in the availability and quality of food for wintering waterbirds. Birds normally modify their foraging behavior to adapt to variations in food availability. In this study, we compared shifts in foraging behavior of hooded cranes(Grus monacha) in three different habitats at Shengjin Lake, China to understand the response of these cranes to changes in ***: We investigated the food density and foraging behavior of hooded cranes in Shengjin Lake National Nature Reserve from November 2014 to April 2015. We used regression equations to describe the changes in food density. A total of 397 behavioral observations were used in the analyses of their foraging efforts. We fitted a candidate set of generalized mixed linear models to analyze the relationship of foraging efforts and food density. We used a method of information theory to guide the selection of the model and Akaike's Information Criterion to calculate the value of each model. The relationship between food density, disturbances and foraging behavior was illustrated using a generalized linear ***: Along with the temporal variation and exploitation of food biomass, the food density varied widely among foraging sites. During the early winter period, foraging efforts were more pronounced in the paddy fields and meadows but not significantly different among the three habitats. The cranes spent more foraging effort in the paddy fields and meadows during the middle stage and in the meadows and mudflats during the late winter. The results of the generalized linear model showed that food density and disturbances had different effects on the rate of foraging success during the winter, while the effect of foraging effort was not significant. Furthermore, the rate of feeding success was markedly affected by disturbances in the paddy fields. The combined action of food density and disturbances had a significant effect on the rate of foraging suc

关键词： Food density Foraging behavior Habitat quality hooded crane

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