Living la Vida T-LoCoH: site fidelity of Florida ranched and wild white-tailed deer (Odocoileus virginianus) during the epizootic hemorrhagic disease virus (EHDV) transmission period

Dinh, Emily T. N.; Cauvin, Allison; Orange, Jeremy P.; Shuman, Rebecca M.; Blackburn, Jason K.

doi:10.1186/s40462-020-00200-2

Cited by 5 publications

(5 citation statements)

References 28 publications

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“…Implementation of effective EHDV vaccines could also have additional secondary benefits. EHDV-infected WTD often develop a reduction in peripheral lymphocytes (i.e., lymphopenia) during the acute phase of infection and are, therefore, considered vulnerable to secondary infections [12,68]. Consequently, a vaccine-based protection from EHDVmediated lymphopenia could have a potential benefit of reducing opportunistic secondary microbial invasion in EHDV-infected WTD and reduce the morbidity and/or mortality from other infectious causes.…”

Section: Discussionmentioning

confidence: 99%

“…As evidenced by the first documented outbreak, the impacts of EHDV in susceptible WTD populations can be severe, with outbreak-related mortality estimates of up to 20% in wild deer [11]. EHD is also the most severe disease of captive deer, where sporadic epizootics can cause significant economic losses to deer farming operations [12,13]. Although EHD in cattle is typically milder, it can produce oral lesions that resemble transboundary vesicular diseases such as foot-and-mouth disease (Figure 1), leading to foreign animal disease investigations of affected premises that are costly and restrict the movement of livestock [14].…”

Section: Introductionmentioning

confidence: 99%

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Perspectives on the Changing Landscape of Epizootic Hemorrhagic Disease Virus Control

Noronha

Cohnstaedt

Richt

et al. 2021

Viruses

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Epizootic hemorrhagic disease (EHD) is an insect-transmitted viral disease of wild and domestic ruminants. It was first described following a 1955 epizootic in North American white-tailed deer (Odocoileus virginianus), a species which is highly susceptible to the causative agent of EHD, epizootic hemorrhagic disease virus (EHDV). EHDV has been detected globally across tropical and temperate regions, largely corresponding to the presence of Culicoides spp. biting midges which transmit the virus between ruminant hosts. It regularly causes high morbidity and mortality in wild and captive deer populations in endemic areas during epizootics. Although cattle historically have been less susceptible to EHDV, reports of clinical disease in cattle have increased in the past two decades. There is a pressing need to identify new methods to prevent and mitigate outbreaks and reduce the considerable impacts of EHDV on livestock and wildlife. This review discusses recent research advancements towards the control of EHDV, including the development of new investigative tools and progress in basic and applied research focused on virus detection, disease mitigation, and vector control. The potential impacts and implications of these advancements on EHD management are also discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Perspectives on the Changing Landscape of Epizootic Hemorrhagic Disease Virus Control

Noronha

Cohnstaedt

Richt

et al. 2021

Viruses

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“…Soil types with Map Unit Symbols (MUSYMs) 6, 9, 31, and 36 were classified as well-drained, and soil types with MUSYMs 66, 86, and 88 were classified as poorly drained. Lastly, we included weekly utilization distributions (UD) [46,47] from 15 WTD, 1 fallow deer (Dama dama), and 1 Père David's deer (Elaphurus davidianus) that were collared in a previous study on the same ranch during the midge sampling effort [42,48] to represent the probability of animal presence in the study environment regardless of the environmental characteristics or proximity to feeders [34]. These species were confirmed as preferred bloodmeals for midges on this ranch [38].…”

Section: Environmental Datamentioning

confidence: 99%

Culicoides Midge Abundance across Years: Modeling Inter-Annual Variation for an Avian Feeder and a Candidate Vector of Hemorrhagic Diseases in Farmed Wildlife

Benn,

Orange,

Gomez

et al. 2024

Viruses

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(1) Background: Epizootic hemorrhagic disease virus (EHDV) and bluetongue virus (BTV) are orbiviruses that cause hemorrhagic disease (HD) with significant economic and population health impacts on domestic livestock and wildlife. In the United States, white-tailed deer (Odocoileus virginianus) are particularly susceptible to these viruses and are a frequent blood meal host for various species of Culicoides biting midges (Diptera: Ceratopogonidae) that transmit orbiviruses. The species of Culicoides that transmit EHDV and BTV vary between regions, and larval habitats can differ widely between vector species. Understanding how midges are distributed across landscapes can inform HD virus transmission risk on a local scale, allowing for improved animal management plans to avoid suspected high-risk areas or target these areas for insecticide control. (2) Methods: We used occupancy modeling to estimate the abundance of gravid (egg-laden) and parous (most likely to transmit the virus) females of two putative vector species, C. stellifer and C. venustus, and one species, C. haematopotus, that was not considered a putative vector. We developed a universal model to determine habitat preferences, then mapped a predicted weekly midge abundance during the HD transmission seasons in 2015 (July–October) and 2016 (May–October) in Florida. (3) Results: We found differences in habitat preferences and spatial distribution between the parous and gravid states for C. haematopotus and C. stellifer. Gravid midges preferred areas close to water on the border of well and poorly drained soil. They also preferred mixed bottomland hardwood habitats, whereas parous midges appeared less selective of habitat. (4) Conclusions: If C. stellifer is confirmed as an EHDV vector in this region, the distinct spatial and abundance patterns between species and physiological states suggest that the HD risk is non-random across the study area.

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“…Epizootic hemorrhagic disease virus (EHDV) is a pathogen vectored by Culicoides midges that causes significant economic loss in the cervid farming industry and affects wild deer as well. Despite this, its ecology is poorly understood (Dinh et al 2020).…”

Section: Bacterial Infectionsmentioning

confidence: 99%

Biology and Ecological Adaptations of Blackbuck (Antilope Cervicapra): A Review

Ghaffar¹

2021

Agrobiol. Records

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Blackbuck is the existing members of genus Antilope which is most elegant and graceful among all Antelopes of Asia with distinct sexual dimorphism. Blackbuck show endemism in Pakistan, Nepal and India occupying mainly the semi-arid grassland areas. The name of species attributes towards the dark brownish to blackish coat color of male species. While female and the young ones are tawny or yellow. Chin undersides of legs and chest are white in both male and female individuals. Males have whorled horns with 79cm length with absence in females. The average body length of this animal is 100-150cm with the tail length of 10-17cm. The average body weight for male is 20-57kg and for female 19-33kg. Thin grassy forests, open and semi-desert areas are good habitat for it. Being diurnal and herbivorous, it acts as both grazers and browsers. It is the fastest animal with an average speed of 80km/h. It remains reproductively functional whole year. Reproductive disorders including dystocia and different infectious diseases due to ectoparasites, endoparasites, bacteria and viruses affect these species. Habitat loss, stress, illegal killing and genetic troubles cause the species to be ‘Extinct in the Wildlife’ in Pakistan so conservation strategies are underway for species protection. It is indispensable for zoologists and conservational biologists to observe the species for its conservation and confronting threats. Review article highlighted necessary information about species, which will clear the way for further research on species.

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Living la Vida T-LoCoH: site fidelity of Florida ranched and wild white-tailed deer (Odocoileus virginianus) during the epizootic hemorrhagic disease virus (EHDV) transmission period

Cited by 5 publications

References 28 publications

Perspectives on the Changing Landscape of Epizootic Hemorrhagic Disease Virus Control

Perspectives on the Changing Landscape of Epizootic Hemorrhagic Disease Virus Control

Culicoides Midge Abundance across Years: Modeling Inter-Annual Variation for an Avian Feeder and a Candidate Vector of Hemorrhagic Diseases in Farmed Wildlife

Biology and Ecological Adaptations of Blackbuck (Antilope Cervicapra): A Review

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