The Journal of Wildlife Diseases最新文献

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Genomic Characterization of Canine Circovirus Detected in Red Foxes (Vulpes vulpes) from Italy using a New Real-Time PCR Assay 意大利红狐(Vulpes Vulpes)犬圆环病毒基因组特征的实时荧光定量PCR分析
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2018-11-270
S. De Arcangeli, A. Balboni, Elisa Kaehler, L. Urbani, R. Verin, M. Battilani
{"title":"Genomic Characterization of Canine Circovirus Detected in Red Foxes (Vulpes vulpes) from Italy using a New Real-Time PCR Assay","authors":"S. De Arcangeli, A. Balboni, Elisa Kaehler, L. Urbani, R. Verin, M. Battilani","doi":"10.7589/2018-11-270","DOIUrl":"https://doi.org/10.7589/2018-11-270","url":null,"abstract":"Abstract: Data on canine circovirus circulation among red foxes (Vulpes vulpes) are limited. We report the detection of canine circovirus in a red fox from Italy. The virus was closely related to strains from dogs (Canis lupus familiaris) rather than those from foxes, suggesting a possible transmission between the two species.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"152 1","pages":"239 - 242"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82368629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Occurrence of Rat Lungworm (Angiostrongylus cantonensis) in Invasive Coqui Frogs (Eleutherodactylus coqui) and Other Hosts in Hawaii, USA 美国夏威夷入侵Coqui蛙(Eleutherodactylus Coqui)及其宿主中大鼠肺线虫(广州管圆线虫)的发生
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2018-12-294
Chris N. Niebuhr, S. Jarvi, Lisa Kaluna, Bruce L. Torres Fischer, A. Deane, Israel L. Leinbach, S. Siers
{"title":"Occurrence of Rat Lungworm (Angiostrongylus cantonensis) in Invasive Coqui Frogs (Eleutherodactylus coqui) and Other Hosts in Hawaii, USA","authors":"Chris N. Niebuhr, S. Jarvi, Lisa Kaluna, Bruce L. Torres Fischer, A. Deane, Israel L. Leinbach, S. Siers","doi":"10.7589/2018-12-294","DOIUrl":"https://doi.org/10.7589/2018-12-294","url":null,"abstract":"Abstract: The rat lungworm (Angiostrongylus cantonensis) has emerged as an important human and animal health concern in Hawaii, US. Although the life cycle of the parasite requires both rat and gastropod hosts, other animals acting as paratenic hosts, such as frogs and centipedes, have been identified as sources of infection. We investigated the occurrence of rat lungworm infections in potential paratenic hosts in Hawaii to provide information on how they might be involved in transmission of angiostrongyliasis. We confirmed the presence of rat lungworm in 87% (21/24) of introduced Puerto Rican coqui frogs (Eleutherodactylus coqui) in Hilo, Hawaii, by real-time PCR. Additionally, four Cuban greenhouse frogs (Eleutherodactylus planirostris), two cane toads (Rhinella marina), and three centipedes (Scolopendra subspinipes) were found to be infected. In the frogs and toads, multiple tissue types were positive, including stomach and intestine, muscle, liver, heart, and brain, indicating larval migration. We identified rat lungworm infections in frogs, toads, and centipedes in Hawaii and highlighted the lack of knowledge of the role paratenic hosts may be playing in the transmission and life cycle maintenance of rat lungworm in Hawaii.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"14 1","pages":"203 - 207"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85925721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Hematology and Serum Biochemistry Values of Healthy Free-Ranging Panamanian White-Faced Capuchins (Cebus imitator) in Costa Rica 哥斯达黎加自由放养的健康巴拿马白面卷尾猴(Cebus模仿者)的血液学和血清生化价值
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2018-07-179
S. Bernal-Valle, M. Jiménez-Soto, Ana Meneses-Guevara
{"title":"Hematology and Serum Biochemistry Values of Healthy Free-Ranging Panamanian White-Faced Capuchins (Cebus imitator) in Costa Rica","authors":"S. Bernal-Valle, M. Jiménez-Soto, Ana Meneses-Guevara","doi":"10.7589/2018-07-179","DOIUrl":"https://doi.org/10.7589/2018-07-179","url":null,"abstract":"Abstract: We describe the hematology and serum biochemistry values for 26 free-ranging Panamanian white-faced capuchins (Cebus imitator) in Costa Rica. Howell-Jolly bodies and microfilariae were observed in some animals. This baseline information is a tool for health assessment and species conservation.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"31 1","pages":"229 - 233"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83749034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
LIMITED DETECTION OF ANTIBODIES TO CLADE 2.3.4.4 A/GOOSE/GUANGDONG/1/1996 LINEAGE HIGHLY PATHOGENIC H5 AVIAN INFLUENZA VIRUS IN NORTH AMERICAN WATERFOWL 北美水禽中2.3.4.4 a / goose / guangdong /1/1996谱系高致病性h5禽流感病毒抗体的有限检测
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2019-01-003
D. Stallknecht, Clara Kienzle-Dean, Nick Davis-Fields, Christopher S. Jennelle, A. Bowman, J. Nolting, W. Boyce, J. M. Crum, Jefferson J. S. Santos, Justin D Brown, D. Prosser, Susan E. W. De La Cruz, J. Ackerman, M. Casazza, S. Krauss, D. Pérez, A. Ramey, R. Poulson
{"title":"LIMITED DETECTION OF ANTIBODIES TO CLADE 2.3.4.4 A/GOOSE/GUANGDONG/1/1996 LINEAGE HIGHLY PATHOGENIC H5 AVIAN INFLUENZA VIRUS IN NORTH AMERICAN WATERFOWL","authors":"D. Stallknecht, Clara Kienzle-Dean, Nick Davis-Fields, Christopher S. Jennelle, A. Bowman, J. Nolting, W. Boyce, J. M. Crum, Jefferson J. S. Santos, Justin D Brown, D. Prosser, Susan E. W. De La Cruz, J. Ackerman, M. Casazza, S. Krauss, D. Pérez, A. Ramey, R. Poulson","doi":"10.7589/2019-01-003","DOIUrl":"https://doi.org/10.7589/2019-01-003","url":null,"abstract":"Abstract: During 2014, highly pathogenic (HP) influenza A viruses (IAVs) of the A/Goose/Guangdong/1/1996 lineage (GsGD-HP-H5), originating from Asia, were detected in domestic poultry and wild birds in Canada and the US. These clade 2.3.4.4 GsGD-HP-H5 viruses included reassortants possessing North American lineage gene segments; were detected in wild birds in the Pacific, Central, and Mississippi flyways; and caused the largest HP IAV outbreak in poultry in US history. To determine if an antibody response indicative of previous infection with clade 2.3.4.4 GsGD-HP-H5 IAV could be detected in North American wild waterfowl sampled before, during, and after the 2014–15 outbreak, sera from 2,793 geese and 3,715 ducks were tested by blocking enzyme-linked immunosorbent assay and hemagglutination inhibition (HI) tests using both clade 2.3.4.4 GsGD-HPH5 and North American lineage low pathogenic (LP) H5 IAV antigens. We detected an antibody response meeting a comparative titer-based criteria (HI titer observed with 2.3.4.4 GsGD-HP-H5 antigens exceeded the titer observed for LP H5 antigen by two or more dilutions) for previous infection with clade 2.3.4.4 GsGD-HP-H5 IAV in only five birds, one Blue-winged Teal (Spatula discors) sampled during the outbreak and three Mallards (Anas platyrhynchos) and one Canada Goose (Branta canadensis) sampled during the post-outbreak period. These serologic results are consistent with the spatiotemporal extent of the outbreak in wild birds in North America during 2014 and 2015 and limited exposure of waterfowl to GsGD-HP-H5 IAV, particularly in the central and eastern US.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"24 1","pages":"47 - 57"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82963857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
HEALTH ASSESSMENT OF WILD LOWLAND TAPIRS (TAPIRUS TERRESTRIS) IN THE HIGHLY THREATENED CERRADO BIOME, BRAZIL 巴西塞拉多高度濒危生物群落中野生低地貘的健康评估
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2018-10-244
R. C. Fernandes-Santos, E. P. Medici, C. Testa-José, T. Micheletti
{"title":"HEALTH ASSESSMENT OF WILD LOWLAND TAPIRS (TAPIRUS TERRESTRIS) IN THE HIGHLY THREATENED CERRADO BIOME, BRAZIL","authors":"R. C. Fernandes-Santos, E. P. Medici, C. Testa-José, T. Micheletti","doi":"10.7589/2018-10-244","DOIUrl":"https://doi.org/10.7589/2018-10-244","url":null,"abstract":"Abstract: Over 2 yr, we assessed the health of 35 lowland tapirs (Tapirus terrestris) in the Brazilian Cerrado (CE) biome, an area that is highly affected by human activities. This involved physical examinations, hematology and blood biochemistry, urinalysis, fecal parasitologic evaluation, microbial profiling of anatomic cavities and lesions, and serologic surveys for evidence of infectious agents. Research methods closely resembled those used in previous tapir health assessments in the Atlantic Forest (AF) and Pantanal (PA) biomes, allowing for a comparison among the three populations. Although not reaching statistical significance (P>0.05), tapirs from the CE exhibited poorer body and skin condition as compared to animals from the AF and PA. Furthermore, there were higher prevalences of dental problems and traumatic lesions as compared to those from the AF and PA. Eight of the 12 hematologic parameters evaluated and 17 of the 30 biochemical parameters differed significantly (P<0.05) between the tapirs from CE and those from the AF and PA. We isolated 24 different microbiologic strains from swabs of anatomic cavities and dermal lesions, of which five taxa had not previously been found in the AF or PA. We detected serum antibodies to Leptospira interrogans, bluetongue virus, and porcine parvovirus. Overall, our results suggested that tapirs from the CE exhibited more health abnormalities than tapirs in the AF and PA, possibly due to a greater exposure to environmental disturbances in the area.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"54 1","pages":"34 - 46"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90847758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Spontaneous Primary Right Tibiotarsal Osteosarcoma with Pulmonary Metastasis in a Free-Ranging Cory's Shearwater (Calonectris diomedea) 自发性原发性右胫跖骨肉瘤伴肺转移一例自由放养的科里氏Shearwater (Calonectris diomedea)
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2019-01-014
A. Duarte-Benvenuto, Priscilla Carla dos Santos Costa, H. Jerdy, E. C. Q. de Carvalho, J. Catão-Dias, J. Díaz-Delgado
{"title":"Spontaneous Primary Right Tibiotarsal Osteosarcoma with Pulmonary Metastasis in a Free-Ranging Cory's Shearwater (Calonectris diomedea)","authors":"A. Duarte-Benvenuto, Priscilla Carla dos Santos Costa, H. Jerdy, E. C. Q. de Carvalho, J. Catão-Dias, J. Díaz-Delgado","doi":"10.7589/2019-01-014","DOIUrl":"https://doi.org/10.7589/2019-01-014","url":null,"abstract":"Abstract: We report the pathologic features of a primary right tibiotarsal productive osteoblastic osteosarcoma with pulmonary metastasis, a unique finding in a Cory's Shearwater (Calonectris diomedea).","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"112 1","pages":"243 - 246"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79356739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ESOPHAGEAL MEASUREMENT OF CORE BODY TEMPERATURE IN THE FLORIDA MANATEE (TRICHECHUS MANATUS LATIROSTRIS) 佛罗里达海牛(trichechus manatus latirostris)食道测量核心体温
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2019-02-049
Molly E Martony, R. Isaza, C. Erlacher-Reid, Jon Peterson, N. Stacy
{"title":"ESOPHAGEAL MEASUREMENT OF CORE BODY TEMPERATURE IN THE FLORIDA MANATEE (TRICHECHUS MANATUS LATIROSTRIS)","authors":"Molly E Martony, R. Isaza, C. Erlacher-Reid, Jon Peterson, N. Stacy","doi":"10.7589/2019-02-049","DOIUrl":"https://doi.org/10.7589/2019-02-049","url":null,"abstract":"Abstract: Cold-stress syndrome (CSS) is one of the leading natural threats to free-ranging Florida manatees (Trichechus manatus latirostris). Cold water exposure below the species' acceptable physiologic range is a frequent occurrence for manatees during cold weather months causing CSS-induced systemic illness and significant annual mortality. Although CSS is a commonly presented condition at manatee rehabilitation facilities, the core body temperatures in CSS manatees are currently unknown due to the lack of clinically applicable and accurate temperature measurement methodologies. Our objective was to establish a clinically applicable measurement methodology of core body temperature in manatees. A novel, minimally invasive temperature technique to obtain esophageal temperature by placing a temperature sensor through an oro-gastric tube was compared to current oral and nasal methods in 20 clinically healthy manatees. Results identified the esophageal measurement as the best performing and most precise temperature methodology. The superior performance of esophageal temperature measurements differed significantly from both nasal and oral measurements, while nasal and oral measurements did not differ when compared with each other. The esophageal measurements were consistent with manatee core body temperature, facilitating generation of a reference interval for core body temperature in healthy manatees (35.0–35.8 C). Four CSS medical cases were evaluated with the newly validated esophageal temperature method, facilitating diagnosis of hypothermia. The application of this temperature measurement technique to CSS manatees in field or rehabilitation settings will help in understanding CSS pathophysiology, improve medical assessments during rehabilitation, and contribute to conservation efforts.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"9 1","pages":"27 - 33"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75131128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Winter Tick (Dermacentor albipictus)–Associated Dermatitis in a Wild Elk (Cervus canadensis) in Pennsylvania, USA 美国宾夕法尼亚州野生麋鹿(Cervus canadensis)的冬季蜱虫-相关皮炎
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2019-02-046
Elizabeth Calvente, N. Chinnici, Justin D Brown, J. Banfield, J. Brooks, M. Yabsley
{"title":"Winter Tick (Dermacentor albipictus)–Associated Dermatitis in a Wild Elk (Cervus canadensis) in Pennsylvania, USA","authors":"Elizabeth Calvente, N. Chinnici, Justin D Brown, J. Banfield, J. Brooks, M. Yabsley","doi":"10.7589/2019-02-046","DOIUrl":"https://doi.org/10.7589/2019-02-046","url":null,"abstract":"Abstract: In 2017, a male elk (Cervus canadensis) was found dead in Pennsylvania, US. The elk was in poor nutritional condition and had alopecia and ulcerative dermatitis throughout the neck and dorsum region associated with severe Dermacentor albipictus infestations. Histologically, there was severe chronic-active dermatitis with hyperkeratosis and crust formation.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"31 1","pages":"247 - 250"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73723142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Rabies Outbreak in Captive Big Brown Bats (Eptesicus fuscus) Used in a White-Nose Syndrome Vaccine Trial 白鼻综合征疫苗试验中圈养大棕蝠的狂犬病爆发
The Journal of Wildlife Diseases Pub Date : 2020-01-06 DOI: 10.7589/2018-10-258
R. Abbott, Lenore Saindon, Elizabeth A Falendysz, L. Greenberg, L. Orciari, P. S. Satheshkumar, T. Rocke
{"title":"Rabies Outbreak in Captive Big Brown Bats (Eptesicus fuscus) Used in a White-Nose Syndrome Vaccine Trial","authors":"R. Abbott, Lenore Saindon, Elizabeth A Falendysz, L. Greenberg, L. Orciari, P. S. Satheshkumar, T. Rocke","doi":"10.7589/2018-10-258","DOIUrl":"https://doi.org/10.7589/2018-10-258","url":null,"abstract":"Abstract: An outbreak of rabies occurred in a captive colony of wild-caught big brown bats (Eptesicus fuscus). Five of 27 bats exhibited signs of rabies virus infection 22–51 d after capture or 18–22 d after contact with the index case. Rabid bats showed weight loss, aggression, increased vocalization, hypersalivation, and refusal of food. Antigenic typing and virus sequencing confirmed that all five bats were infected with an identical rabies virus variant that circulates in E. fuscus in the US. Two bats with no signs of rabies virus infection were seropositive for rabies virus-neutralizing antibodies; the brains of these bats had no detectable viral proteins by the direct fluorescence antibody test. We suspect bat-to-bat transmission of rabies virus occurred among our bats because all rabies-infected bats were confined to the cage housing the index case and were infected with viruses having identical sequences of the entire rabies nucleoprotein gene. This outbreak illustrates the risk of rabies virus infection in captive bats and highlights the need for researchers using bats to assume that all wild bats could be infected with rabies virus.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"33 1","pages":"197 - 202"},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73881596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
LETHAL AND SUBLETHAL AMPHIBIAN HOST RESPONSES TO BATRACHOCHYTRIUM DENDROBATIDIS EXPOSURE ARE DETERMINED BY THE ADDITIVE INFLUENCE OF HOST RESOURCE AVAILABILITY 致死性和亚致死性两栖动物宿主对水蛭壶菌暴露的反应是由宿主资源可用性的附加影响决定的
The Journal of Wildlife Diseases Pub Date : 2019-11-26 DOI: 10.7589/2019-01-021
Samantha L. Rumschlag, M. Boone
{"title":"LETHAL AND SUBLETHAL AMPHIBIAN HOST RESPONSES TO BATRACHOCHYTRIUM DENDROBATIDIS EXPOSURE ARE DETERMINED BY THE ADDITIVE INFLUENCE OF HOST RESOURCE AVAILABILITY","authors":"Samantha L. Rumschlag, M. Boone","doi":"10.7589/2019-01-021","DOIUrl":"https://doi.org/10.7589/2019-01-021","url":null,"abstract":"Abstract: Host species may differ in their responses to pathogen exposures based on host energy reserves, which could be important for long-term trends in host population growth. Batrachochytrium dendrobatidis (BD) is a pathogen associated with amphibian population declines but also occurs without causing mass mortalities. The impact of BD in populations without associated declines is not well understood, and food abundance could play a role in determining the magnitude of its effects. We exposed American toad (Anaxyrus americanus), northern leopard frog (Lithobates pipiens), and cricket frog (Acris blanchardi) metamorphs to BD under low or high food treatments. Overall, anuran species responded differently to BD exposure and the combined effect of BD exposure and food abundance was additive. American toad survival was lowered by BD exposure and low food availability. Based on these results, we developed a population model for American toads to estimate how reductions in survival could influence population growth. We found that BD could reduce population growth by 14% with high food availability and 21% with low food availability. In contrast, survival of northern leopard frogs was high across all treatments, but their growth was negatively impacted by the additive effects of BD exposure and low food availability. Cricket frog growth and survival were unaffected by BD exposure, suggesting that this species is not sensitive to the effects of this pathogen in terms of growth and survival across environments of different quality in the time period examined. Our results showed that low food availability additively increased the species-specific lethal and sublethal impacts of BD on hosts, which could have implications for long-term host population dynamics.","PeriodicalId":22805,"journal":{"name":"The Journal of Wildlife Diseases","volume":"2 1","pages":"338 - 349"},"PeriodicalIF":0.0,"publicationDate":"2019-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73114580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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