Results 1 to 10 of about 6,899 (231)

Genomic association with pathogen carriage in bighorn sheep (Ovis canadensis) [PDF]

open access: yesEcology and Evolution, 2021
Genetic composition can influence host susceptibility to, and transmission of, pathogens, with potential population‐level consequences. In bighorn sheep (Ovis canadensis), pneumonia epidemics caused by Mycoplasma ovipneumoniae have been associated with ...
Alynn M. Martin   +5 more
doaj   +6 more sources

Development of a high-density sub-species-specific targeted SNP assay for Rocky Mountain bighorn sheep (Ovis canadensis canadensis) [PDF]

open access: goldPeerJ
Due to their abundance and relative ease of genotyping, single nucleotide polymorphisms (SNPs) are a commonly used molecular marker for contemporary population genetic and genomic studies. A high-density and cost-effective way to type SNP loci is Allegro
Samuel Deakin, David W. Coltman
doaj   +4 more sources

An individual-based modelling approach to estimate landscape connectivity for bighorn sheep (Ovis canadensis) [PDF]

open access: goldPeerJ, 2016
Background. Preserving connectivity, or the ability of a landscape to support species movement, is among the most commonly recommended strategies to reduce the negative effects of climate change and human land use development on species.
Corrie H. Allen   +2 more
doaj   +4 more sources

Potential disease agents in domestic goats and relevance to bighorn sheep (Ovis canadensis) management. [PDF]

open access: goldPLoS ONE, 2017
Domestic goats are raised for meat, milk and hair production, in herds for rangeland weed control, and as pack animals. Domestic sheep, goats and wild bighorn sheep are all susceptible to a multifactorial pneumonia.
Mark L Drew, Glen C Weiser
doaj   +4 more sources

Assessing shared respiratory pathogens between domestic (Ovis aries) and bighorn (Ovis canadensis) sheep; methods for multiplex PCR, amplicon sequencing, and bioinformatics to characterize respiratory flora. [PDF]

open access: goldPLoS ONE, 2023
Respiratory disease is responsible for dramatic population declines in bighorn sheep (Ovis canadensis), and respiratory pathogen diagnostics contribute to the management of bighorn populations. To create a comprehensive and consistent approach to bighorn
Karen A Fox   +3 more
doaj   +3 more sources

Role of carriers in the transmission of pneumonia in bighorn sheep (Ovis canadensis) [PDF]

open access: yesBiology Open, 2016
In the absence of livestock contact, recurring lamb mortality in bighorn sheep (Ovis canadensis) populations previously exposed to pneumonia indicates the likely presence of carriers of pneumonia-causing pathogens, and possibly inadequate maternally ...
Bindu Raghavan   +7 more
doaj   +4 more sources

A Review of Hypothesized Determinants Associated with Bighorn Sheep (Ovis canadensis) Die-Offs [PDF]

open access: yesVeterinary Medicine International, 2012
Multiple determinants have been hypothesized to cause or favor disease outbreaks among free-ranging bighorn sheep (Ovis canadensis) populations. This paper considered direct and indirect causes of mortality, as well as potential interactions among ...
David S. Miller   +5 more
doaj   +6 more sources

Local extinction and unintentional rewilding of bighorn sheep (Ovis canadensis) on a desert island. [PDF]

open access: yesPLoS ONE, 2014
Bighorn sheep (Ovis canadensis) were not known to live on Tiburón Island, the largest island in the Gulf of California and Mexico, prior to the surprisingly successful introduction of 20 individuals as a conservation measure in 1975.
Benjamin T Wilder   +5 more
doaj   +5 more sources

Abnormal Coloration in Bighorn Sheep (Ovis canadensis) [PDF]

open access: greenBulletin, Southern California Academy of Sciences, 2017
Despite no mention of abnormal coloration in bighorn sheep (Ovis canadensis) in two earlier reviews addressing that subject, leucism, piebaldism, and melanism do occur in that species.
Bleich, Vernon C.
core   +7 more sources

Pathogen surveillance and epidemiology in endangered peninsular bighorn sheep (Ovis canadensis nelsoni) [PDF]

open access: yesConservation Science and Practice, 2022
Peninsular bighorn sheep (Ovis canadensis nelsoni) are found exclusively in Southern California and Baja Mexico. They are federally endangered due to multiple threats, including introduced infectious disease.
Jessica N. Sanchez   +13 more
doaj   +2 more sources

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