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Populations change of the Bean Goose (Anser fabalis) wintering at the Upo Wetland, Korea  [cached]
Hyo-Jun Kim,Hee-Cheon Park
Journal of Ecology and Field Biology , 2011,
Abstract: The wintering population of Bean Goose (Anser fabalis) at the Upo Wetland from 2005 to 2010 has been monitoredby the long term ecological research (LTER) project in South Korea. The principal objective of this study was to definethe primary factors determining the wintering Bean Goose population distribution in the wetland system, such as: usagepattern of habitat in and around the Upo Wetland, and departure timing related to temperature. We conducted acomprehensive literature review regarding Bean Goose population dominance in the wetland, and there was a cleartendency toward an increase in this species’ dominance until 2002. The LTER monitoring data also exhibited a similartrend, but not as strongly as was seen in previous research. When the Bean Goose population arrived at the Upo Wetland,they utilized the wetland as their resting site, while they moved to other places surrounding the wetlands to forage forfood sources. The flight distance of the Bean Goose for feeding ranged between ca 1 to 25 km from the Upo area. Thepopulation changes of the Bean Goose at the Upo were related to the lowest temperatures in winter (r = -0.461, P = 0.009).In particular, the lowest temperature in March was important for creating flocks of the Bean Goose before returning tothe northern region. The results of this study can provide us with basic information regarding migratory bird populationchanges in the Upo Wetland in relation to the land use patterns of human beings, as well as meteorological variations.
Histological Studies on Pancreas of Goose (Anser Albifrons)  [PDF]
Behzad Mobini
Veterinary Research Forum , 2011,
Abstract: Histological and histochemical studies on the pancreas of goose (Anser albifrons) were carried out using special staining and light microscope. The pancreas in goose is serous tubuloacinar gland having exocrine and endocrine part. Smooth muscle fibres were absent in capsule of pancreas. Acinar cells have bizonal shape. Intralobular ducts, Interlobular and main excretory ducts were present within parenchyma. The intralobular ducts were lined with a simple cuboidal epithelium reach interlobular ducts lined with low columnar epithelium. The main excretory ducts were lined by simple to stratified columnar epithelium. The glands inside the connective tissue of the ducts and basophilic staining on the apical surface of pancreatic duct system were found from the interlobular ducts to the main excretory ducts. The endocrine part was consisted of various shapes and sizes of alpha and beta islets. Mixed islets were not observed in the goose pancreas. Parasympathetic ganglia were observed in the exocrine pancreas. No significant differences were noted between males and females.
Tyzzeria parvula (Kotlan, 1933) Klimes, 1963 (Apicomplexa: Eimeriidae) in the greylag goose (Anser anser Linnaeus, 1758) in southeastern Brazil
Berto, Bruno P.;Teixeira, Marcel;Lopes, Carlos Wilson G.;
Revista Brasileira de Parasitologia Veterinária , 2007, DOI: 10.1590/S1984-29612007000300008
Abstract: tyzzeria parvula from the greylag goose (anser anser) is described in southeastern brazil. oocysts are spherical to subspherical ranging from 12.4-180 to 10.7-15.9μm (15.4 x 13.4 μm), shape index 1.15, with a double layered wall 0.4 to 0.7 μm thick (n=20), outer smooth and colorless, inner pale greenish. micropyle is absent, but oocyst residuum is present containing numerous granules and spherules. surrounded by residuum there are eight sporozoites having one end round and other fine and slightly curved.
MHC class I loci of the Bar-Headed goose (Anser indicus)
Liang, Qinglong;Wei, Lei;Wang, Xinwei;He, Hongxuan;
Genetics and Molecular Biology , 2010, DOI: 10.1590/S1415-47572010000300031
Abstract: mhc class i proteins mediate functions in anti-pathogen defense. mhc diversity has already been investigated by many studies in model avian species, but here we chose the bar-headed goose, a worldwide migrant bird, as a non-model avian species. sequences from exons encoding the peptide-binding region (pbr) of mhc class i molecules were isolated from liver genomic dna, to investigate variation in these genes. these are the first mhc class i partial sequences of the bar-headed goose to be reported. a preliminary analysis suggests the presence of at least four mhc class i genes, which share great similarity with those of the goose and duck. a phylogenetic analysis of bar-headed goose, goose and duck mhc class i sequences using the nj method supports the idea that they all cluster within the anseriforms clade.
First report of the digenetic trematode Psilochasmus oxyurus (Creplin) in the domestic goose, Anser anser (Linnaeus) in South America
Fernandes, Berenice M. M.;Menezes, Rodrigo C.;Tortelly, Rogério;Noronha, Dely;Pinto, Roberto M.;
Revista Brasileira de Zoologia , 2007, DOI: 10.1590/S0101-81752007000200037
Abstract: the digenetic trematode psilochasmus oxyurus (creplin, 1835) lühe, 1909, although with a large geographical distribution, is referred in geese (anser anser linnaeus, 1758) for the first time in south america, on the basis of specimens parasitizing brazilian domestic geese, with a prevalence of 20%. brief morphometric data on the parasites are included. clinical signs, gross and microscopic lesions were not observed in the birds.
A Case of Ventricular Foreign Body in a Goose (Anser anser) (Case Report)
Zulfikar Kadir Saritas,Kamuran Pamuk,Musa Korkmaz,Turan Civelek,M. Volkan Yaprakci
Journal of Animal and Veterinary Advances , 2012, DOI: 10.3923/javaa.2011.991.992
Abstract: A 10 weeks old, male domesticated goose was presented to Afyon Kocatepe University, Faculty of Veterinary Medicine, Department of Surgery Clinics with the complaints of non-appetite, infirmity and sudden weight loss. In clinical examination, the goose had severe abdominal sensitivity and free of any bone fracture. In radiological examination, a foreign body which was suspected as nail was determined in the abdominal region. Under general anesthesia, surgery was performed with the midline incision of the abdomen and then ventriculotomy was done. Foreign body was removed as determined as nail. Incisions on ventriculus and abdomen were closed routinely. Postoperatively, antibiotherapy, pain control and diet management were considered. The goose recovered in a week and appetite was restored normally. This case report aimed to report a rarely encountered ventricular foreign body (nail) in a goose.
The Effect of Age on the Blood Proteinogram of Chinese Goose (Anser cygnoides)
Elizabeth Moreira dos Santos Schmidt,Josie Maria Campioni,Antonio Carlos Paulillo,Janine Denadai
International Journal of Poultry Science , 2008,
Abstract: The influences of age on serum protein values were investigated in juvenile Chinese goose. Statistical comparisons were made for differences in values among different ages. These samples were used to determine baseline data on serum total protein, albumin, globulins and albumin/globulin ratio. Significant variations were not observed in the analyses in relation to the age of birds for serum total protein, albumin and globulins. The albumin/globulin ratio showed significant difference among 21 and 49 day-old Chinese geese.
Transcriptome Profiling of the Goose (Anser cygnoides) Ovaries Identify Laying and Broodiness Phenotypes  [PDF]
Qi Xu, WenMing Zhao, Yang Chen, YiYu Tong, GuangHui Rong, ZhengYang Huang, Yang Zhang, GuoBing Chang, XinSheng Wu, GuoHong Chen
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0055496
Abstract: Background The geese have strong broodiness and poor egg performance. These characteristics are the key issues that hinder the goose industry development. Yet little is known about the mechanisms responsible for follicle development due to lack of genomic resources. Hence, studies based on high-throughput sequencing technologies are needed to produce a comprehensive and integrated genomic resource and to better understand the biological mechanisms of goose follicle development. Methodology/Principal Findings In this study, we performed de novo transcriptome assembly and gene expression analysis using short-read sequencing technology (Illumina). We obtained 67,315,996 short reads of 100 bp, which were assembled into 130,514 unique sequences by Trinity strategy (mean size = 753bp). Based on BLAST results with known proteins, these analyses identified 52,642 sequences with a cut-off E-value above 10?5. Assembled sequences were annotated with gene descriptions, gene ontology and clusters of orthologous group terms. In addition, we investigated the transcription changes during the goose laying/broodiness period using a tag-based digital gene expression (DGE) system. We obtained a sequencing depth of over 4.2 million tags per sample and identified a large number of genes associated with follicle development and reproductive biology including cholesterol side-chain cleavage enzyme gene and dopamine beta-hydroxylas gene. We confirm the altered expression levels of the two genes using quantitative real-time PCR (qRT-PCR). Conclusions/Significance The obtained goose transcriptome and DGE profiling data provide comprehensive gene expression information at the transcriptional level that could promote better understanding of the molecular mechanisms underlying follicle development and productivity.
Clinical and Immunological Parameters of Newcastle Disease Vaccination in Chinese Goose (Anser cygnoides)  [PDF]
Josie Maria Campioni,Antonio Carlos Paulillo,Elizabeth Moreira dos Santos Schmidt,Márcia Nishizawa
International Journal of Poultry Science , 2008,
Abstract: Clinical and immunological parameters of vaccinated Chinese goose against Newcastle disease were evaluated. One hundred and twenty birds were distributed into four different experimental groups, vaccinated or not against Newcastle disease (ND): G1 (Ulster 2C strain), G2 (B1 strain), G3 (LaSota strain) and G4 (nonvaccinated -control).The immune response was evaluated by the HI test. The vaccinations of Chinese geese with NDV Ulster 2C, B1 and LaSota strains did not cause any clinical signs associated with post-vaccinal reactions and were similar in the humoral immune response stimulus (HI).
Evaluation of Experimental Vaccination in Chinese Goose (Anser cygnoides) Against Newcastle Disease: Investigation of the State of Virus Carrier
Josie Maria Campioni,Antonio Carlos Paulillo,Elizabeth Moreira dos Santos Schmidt,Marcia Nishizawa
International Journal of Poultry Science , 2009,
Abstract: This study aimed the characterization of the importance of vaccination against Newcastle disease in Chinese geese (Anser cygnoides) and to investigate the state of carrier of the virus in this species. There were used 120 Chinese geese, distributed at random into 4 groups, vaccinated or not. At 60 days of age, all groups were challenged with a pathogenic virus (NDV) suspension, EID50 = 10 8.15/0.1 mL and a group of Specific Pathogen Free (SPF) chickens were used as control of the virus. Cloacal and tracheal swabs were collected after 6, 10 and 20 days post-challenge for genome viral excretion by RT-PCR (reverse transcription-polymerase chain reaction). Chinese goose of all groups did not demonstrate any signs of Newcastle disease. They were refractory to the clinical disease with the NDV. In Chinese geese from control group, NDV genome was detected 20 days after challenge. It was demonstrated therefore the state of carrier of NDV by Chinese goose. In geese, from the vaccinated groups, genome viral excretion was not detected by RT-PCR. It was also demonstrated the importance of the vaccination in the suppression of the state of carrier of NDV in Chinese geese.
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