HIGH PREVALENCE OF MYCOPLASMA AND EIMERIA SPECIES IN FREE-RANGING EASTERN WILD TURKEYS (MELEAGRIS GALLOPAVO SILVESTRIS) IN ONTARIO, CANADA

2019 ◽  
Vol 55 (1) ◽  
pp. 54 ◽  
Author(s):  
Amanda M. MacDonald ◽  
Claire M. Jardine ◽  
Evelin Rejman ◽  
John R. Barta ◽  
Jeff Bowman ◽  
...  
Keyword(s):  
Eimeria Species ◽  
Meleagris Gallopavo ◽  
Meleagris Gallopavo Silvestris ◽  
High Prevalence ◽  
Wild Turkeys ◽  
Free Ranging

Mortality and Disease in Wild Turkeys (Meleagris gallopavo silvestris) in Ontario, Canada, from 1992 to 2014: A Retrospective Review

2016 ◽  
Vol 60 (3) ◽  
pp. 644-648 ◽  
Author(s):  
Amanda M. MacDonald ◽  
Claire M. Jardine ◽  
G. Douglas Campbell ◽  
Nicole M. Nemeth
Keyword(s):  
Retrospective Review ◽  
Meleagris Gallopavo ◽  
Meleagris Gallopavo Silvestris ◽  
Wild Turkeys

High-Prevalence Borrelia miyamotoi Infection Among Wild Turkeys (Meleagris gallopavo) in Tennessee

2010 ◽  
Vol 47 (6) ◽  
pp. 1238-1242 ◽  
Author(s):  
M. C. Scott ◽  
M. E. Rosen ◽  
S. A. Hamer ◽  
E. Baker ◽  
H. Edwards ◽  
...  
Keyword(s):  
Meleagris Gallopavo ◽  
Borrelia Miyamotoi ◽  
High Prevalence ◽  
Wild Turkeys

Landscape-Abundance Relationships of Male Eastern Wild Turkeys Meleagris gallopavo silvestris in Mississippi, USA

2017 ◽  
Vol 52 (2) ◽  
pp. 127-139 ◽  
Author(s):  
Annie Davis ◽  
Guiming Wang ◽  
James Martin ◽  
Jerrold Belant ◽  
Adam Butler ◽  
...  
Keyword(s):  
Meleagris Gallopavo ◽  
Meleagris Gallopavo Silvestris ◽  
Wild Turkeys

Field metabolic rate of wild turkeys in winter

1999 ◽  
Vol 77 (7) ◽  
pp. 1075-1082 ◽  
Author(s):  
R N Coup ◽  
P J Pekins
Keyword(s):  
Metabolic Rate ◽  
Meleagris Gallopavo ◽  
Standard Metabolic Rate ◽  
Doubly Labeled Water ◽  
Lower Body ◽  
Field Metabolic Rate ◽  
Supplemental Food ◽  
Wild Turkeys ◽  
Free Ranging ◽  
Activity Costs

We investigated the winter bioenergetics of eastern wild turkeys (Meleagris gallopavo sylvestris) by measuring standard metabolic rate (SMR) and existence metabolism (EM) of captive turkeys and field metabolic rate (FMR) of free-ranging turkeys. Mean SMR and EM were 0.511 ± 0.040 mL O2·g-1·h-1 and 499.7 ± 17.7 kJ·kg body mass-0.734·d-1 (mean ± SE) as measured by indirect respirometry and food consumption, respectively. FMR was measured with doubly labeled water and was 10.5% higher in juvenile (0.976 ± 0.039 L CO2·kg-0.734·h-1) than adult turkeys (0.883 ± 0.034 L CO2·kg-0.734·h-1); their FMR:SMR ratios were 1.74 and 1.58, respectively. Juvenile turkeys weighed less and had less body fat (13.5%) than adults (18.9%). Mean FMR was lowest in 1996, when ground forage was unavailable and weather was more windy and cold than in 1995, when ground forage was available and the turkeys' activity and range were greater. Turkeys reduced FMR in 1996 by restricting movement and range, and using proximate shelter and supplemental food. We predict that juvenile turkeys are at an energetic disadvantage when food availability is restricted because of their higher FMR, lower body and fat masses, and higher activity costs than adults.

scholarly journals Detection of Reticuloendotheliosis Virus in Brazil

2019 ◽  
Author(s):  
Giovana S. Caleiro ◽  
Cristina F. Nunes ◽  
Paulo R. Urbano ◽  
Karin Kirchgatter ◽  
Jansen de Araujo ◽  
...  
Keyword(s):  
Meleagris Gallopavo ◽  
The United States ◽  
Northern Region ◽  
Reticuloendotheliosis Virus ◽  
Cairina Moschata ◽  
High Prevalence ◽  
Close Relationship ◽  
Muscovy Ducks ◽  
Wild Turkeys ◽  
Relationship Of

AbstractReticuloendotheliosis retroviruses (REV) are known to cause immunosuppressive and oncogenic disease that affects numerous avian species. REV is present worldwide and recently has been reported in South America with cases of infected commercial flocks in Argentina. We surveyed for the presence of REV in birds from a state in the northern region of Brazil using real-time PCR. We report the first cases of REV in Brazil, detected in Muscovy ducks (Cairina moschata), wild turkeys (Meleagris gallopavo), and chickens (Gallus gallus) at a relatively high prevalence rate (16,8%). Phylogenetic analysis indicated a close relationship of this strain to variants in the United States. This study provides evidence of REV in the Amazon biome and provides a baseline for future surveillance of the virus in the region and throughout Brazil.

scholarly journals Neonicotinoid detection in wild turkeys (Meleagris gallopavo silvestris) in Ontario, Canada

2018 ◽  
Vol 25 (16) ◽  
pp. 16254-16260 ◽  
Author(s):  
Amanda M. MacDonald ◽  
Claire M. Jardine ◽  
Philippe J. Thomas ◽  
Nicole M. Nemeth
Keyword(s):  
Meleagris Gallopavo ◽  
Meleagris Gallopavo Silvestris ◽  
Wild Turkeys

Survival and cause-specific mortality of the female eastern wild turkey at its northern range edge

2014 ◽  
Vol 41 (7) ◽  
pp. 545 ◽  
Author(s):  
Britney Niedzielski ◽  
Jeff Bowman
Keyword(s):  
Management Strategies ◽  
Meleagris Gallopavo ◽  
Limiting Factors ◽  
Wild Turkey ◽  
High Productivity ◽  
Supplemental Food ◽  
Range Edge ◽  
The North ◽  
Wild Turkeys ◽  
Peripheral Areas

Context In an era of rapid environmental change, many species are shifting their distributions. As temperate-zone species’ expand their ranges north, different and potentially severe limiting factors may begin to affect their ability to survive and reproduce. The wild turkey (Meleagris gallopavo) is one example of a species undergoing rapid northern expansion. Aims An improved understanding of wild turkey demography at the species’ northern range periphery would facilitate effective management of this important game species. Therefore, we undertook a study to evaluate survival, causes of mortality, and behavioural strategies that may govern survival of female wild turkeys. Methods We captured 53 female wild turkeys, and used backpack transmitters to monitor their individual fates during 2012–13. Key results The annual survival estimate was 0.37 (95% CI: 0.25–0.55), with the lowest seasonal survival in the winter. The most frequent cause of mortality was mammalian predation, predominately by coyotes (Canis latrans). Age, proximity to supplemental food, and habitat use did not affect risk of mortality. Conclusions Northern wild turkeys in our study exhibited lower survival and suffered higher predation than did populations in the species’ historic range. Despite our findings, the wild turkey has expanded its range northwards and continues to exist in these peripheral areas. This may be due to high productivity or a source–sink dynamic, whereby high mortality is offset by immigration from the south. Implications The low survival and high predation of wild turkeys in the north must be considered when developing management strategies, particularly if interest exists in translocating turkeys farther north. Further research is needed to better understand whether northern turkey populations persist as sinks.

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