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35 results for “roaming”
An accessible scheme for monitoring free-roaming cat population trends
Data and R scripts for article: "An accessible scheme for monitoring free-roaming cat population trends" published in Ecology and Evolution, Wiley.
Data from: Population dynamics of owned, free-roaming dogs: implications for rabies control
Background: Rabies is a serious yet neglected public health threat in resource-limited communities in Africa, where the virus is maintained in populations of owned, free-roaming domestic dogs. Rabies elimination can be achieved through the mass vaccination of dogs, but maintaining the critical threshold of vaccination coverage for herd immunity in these populations is hampered by their rapid turnover. Knowledge of the population dynamics of free-roaming dog populations can inform effective planning and implementation of mass dog vaccination campaigns to control rabies. Methodology/Principal Findings: We implemented a health and demographic surveillance system in dogs that monitored the entire owned dog population within a defined geographic area in a community in Mpumalanga Province, South Africa. We quantified demographic rates over a 24-month period, from 1st January 2012 through 1st January 2014, and assessed their implications for rabies control by simulating the decline in vaccination coverage over time. During this period, the population declined by 10%. Annual population growth rates were +18.6% in 2012 and -24.5% in 2013. Crude annual birth rates (per 1,000 dog-years of observation) were 451 in 2012 and 313 in 2013. Crude annual death rates were 406 in 2012 and 568 in 2013. Females suffered a significantly higher mortality rate in 2013 than males (mortality rate ratio [MRR] = 1.54, 95% CI = 1.28-1.85). In the age class 0-3 months, the mortality rate of dogs vaccinated against rabies was significantly lower than that of unvaccinated dogs (2012: MRR = 0.11, 95% CI = 0.05-0.21; 2013: MRR = 0.31, 95% CI = 0.11-0.69). The results of the simulation showed that achieving a 70% vaccination coverage during annual campaigns would maintain coverage above the critical threshold for at least 12 months. Conclusions and Significance: Our findings provide an evidence base for the World Health Organization's empirically-derived target of 70% vaccination coverage during annual campaigns. Achieving this will be effective even in highly dynamic populations with extremely high growth rates and rapid turnover. This increases confidence in the feasibility of dog rabies elimination in Africa through mass vaccination.
Making the most of your pollinators: An epiphytic fig tree encourages its pollinators to roam between figs
<p><i>Ficus</i> species are characterised by their unusual enclosed inflorescences (figs) and their relationship with obligate pollinator fig wasps (Agaonidae). Fig trees have a variety of growth forms, but true epiphytes are rare; one example is the <i>Ficus deltoidea</i> of South-east Asia. Presumably as an adaptation to epiphytism, inflorescence design in this species is exceptional, with very few flowers in female (seed-producing) figs and unusually large seeds. Figs on male (pollinator offspring-generating) trees have many more flowers. Many fig wasps pollinate one fig each, but because of the low number of flowers per fig, efficient utilization of <i>F. deltoidea</i>'s pollinators depends on pollinators entering several female figs. We hypothesised that it is in the interest of the plants to allow pollinators to re-emerge from figs on both male and female trees and that selection favours pollinator roaming because it increases their own reproductive success. Our manipulations of <i>Blastophaga</i> sp. pollinators in a Malaysian oil palm plantation confirmed that individual pollinators do routinely enter several figs of both sexes. Entering additional figs generated more seeds per pollinator on female trees and more offspring on male trees. Pollinator offspring sex ratios in subsequently-entered figs were often less female-biased than in the first figs they entered, which reduced their immediate value to male trees because only female offspring carry their pollen. Small numbers of large seeds in female figs of epiphytic <i>F. deltoidea</i> may reflect constraints on overall female fig size, because pollinator exploitation depends on mutual mimicry between male and female figs.</p>
Distribution. Turkey, S Russia (Daghestan and Chechnya), NE Georgia, Armenia, Azerbaijan, N Iraq, Iran, Turkmenistan, Afghanistan, and SW Pakistan. A free-roaming population introduced in 1970 in SC New Mexico, USA, increased to 2000 animals, but the population is actually maintained at 500-1000 by legalized sport hunting. in Bovidae
Distribution. Turkey, S Russia (Daghestan and Chechnya), NE Georgia, Armenia, Azerbaijan, N Iraq, Iran, Turkmenistan, Afghanistan, and SW Pakistan. A free-roaming population introduced in 1970 in SC New Mexico, USA, increased to 2000 animals, but the population is actually maintained at 500-1000 by legalized sport hunting.
Prevalence of vector-borne pathogens in reproductive and non-reproductive tissue samples from free-roaming domestic cats in the South Atlantic USA
<p>Reservoir to multiple species of zoonotic pathogens, free-roaming cats (FRCs) interact with domestic and wild animals, vectors, and humans. To assess the potential for feline vector-borne pathogens to be vertically transmitted, this study surveyed eartip and reproductive tissues of FRCs from two locations in the South Atlantic United States for Anaplasma, Bartonella, Ehrlichia, hemotropic Mycoplasma, and Rickettsia species. We collected ovary (n = 72), uterus (n = 54), testicle (n = 74), and eartip (n = 73) tissue from 73 cats, and fetal (n = 20) and placental (n = 19) tissue from 11 queens. Pathogen DNA was amplified utilizing qPCR, confirmed by sequencing. Cats were more frequently Bartonella henselae positive on reproductive tissues (19%, 14/73) than ear tip (5%, 4/73; p = 0.02). B. henselae was amplified from fetus (20%, 4/20) and placenta samples (11%, 2/19). Bartonella spp. infection was more common in cats from North Carolina (76%, 26/34) than Virginia (13%, 5/39; p &lt; 0.0001). Fourteen percent (10/73) of both ear tip and reproductive tissues were positive for hemotropic Mycoplasma spp. Anaplasma, Ehrlichia, and Rickettsia spp. DNA was not amplified from any cat/tissue. These findings suggest that B. henselae preferentially infected cats' reproductive tissue and reinforces the importance of investigating the potential for B. henselae vertical transmission or induction of reproductive failure.</p>
ROAM OA: Functional and Patient Reported Outcomes Wearing a Knee Brace for Unicompartmental OA
ClinicalTrials.gov study NCT07224958. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Data from: Roaming Romeos: male crickets evolving in silence show increased locomotor behaviours
Open the record for dataset details and reuse information.
Planning and optimizing neutering programs for free-roaming cat populations: An interactive tool for cost-effective management in closed systems
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Making the most of your pollinators: An epiphytic fig tree encourages its pollinators to roam between figs
Open the record for dataset details and reuse information.
Data from: Population dynamics of owned, free-roaming dogs: implications for rabies control
Open the record for dataset details and reuse information.
Prevalence of vector-borne pathogens in reproductive and non-reproductive tissue samples from free-roaming domestic cats in the South Atlantic USA
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Dataset for Capturing roaming molecular fragments in real-time
<p>experimental data (ion and electron)</p> <p>quasi-classical trajectory data</p> <p>potential energies and gradients of triply charged state</p>
Rickettsia rickettsii RoaM negatively regulates expression of a limited number of rickettsial genes
GEO Series GSE290741. Rickettsia rickettsii str. 'Sheila Smith'. 32 samples. Type: Expression profiling by high throughput sequencing.
Replication package for: "The Welfare Effects of Mobile Internet Access - Evidence from Roam-Like-At-Home"
<p>Quinn, M., Godhino de Matos, M. and Peukert, C., 2023, "The Welfare Effects of Mobile Internet Access - Evidence from Roam-Like-At-Home", Economic Journal</p>
The ROAM Research Study Therapy (LTOT) Version
ClinicalTrials.gov study NCT06810323. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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OpenNeuro
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