Results 51 to 60 of about 1,400,481 (339)

High prevalence of Rickettsia africae variants in Amblyomma variegatum ticks from domestic mammals in rural western Kenya: implications for human health [PDF]

open access: yes, 2014
Tick-borne spotted fever group (SFG) rickettsioses are emerging human diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia.
Ade, Fredrick   +13 more
core   +2 more sources

Factors of diversity of domestic behaviour in sheep [PDF]

open access: yesGenetics Selection Evolution, 1997
Facteurs de variation du comportement domestique chez le mouton. Le comportement des animaux domestiques se caracterise par une absence de reaction de retrait vis-a-vis de l'homme. Ce comportement est mesure dans un test faisant appel a un conflit de motivation entre la reaction de peur induite par l'isolement du troupeau et la presence de l'homme, et ...
openaire   +4 more sources

"So bigge as bigge may be": tracking size and shape change in domestic livestock in London (AD 1220-1900) [PDF]

open access: yes, 2013
This study presents the analysis of 7966 individual cattle, sheep, pig and domestic hen bone measurements from 105 sites excavated in London dating to the period AD 1220–1900. Multiple episodes of size change are identified, although the speed and timing
Holmes, Matilda   +2 more
core   +1 more source

Molecular Detection and Identification of Chlamydiaceae in the Eyes of Wild and Domestic Ruminant Hosts from Northern Spain

open access: yesPathogens, 2021
Infections by Chlamydiae are associated with ocular disease in humans and animals. In this study, the presence and diversity of Chlamydia spp. was assessed in diseased and healthy eyes of domestic sheep and wild ruminants that share mountain habitats in ...
Andrea Dias-Alves   +6 more
doaj   +1 more source

Harnessing cross-species alignment to discover SNPs and generate a draft genome sequence of a bighorn sheep (Ovis canadensis) [PDF]

open access: yes, 2015
Background: Whole genome sequences (WGS) have proliferated as sequencing technology continues to improve and costs decline. While many WGS of model or domestic organisms have been produced, a growing number of non-model species are also being sequenced ...
Coltman, David W.   +4 more
core   +2 more sources

Revealing the selection history of adaptive loci using genome-wide scans for selection: an example from domestic sheep

open access: yesBMC Genomics, 2018
One of the approaches to detect genetics variants affecting fitness traits is to identify their surrounding genomic signatures of past selection. With established methods for detecting selection signatures and the current and future availability of large
C. M. Rochus   +6 more
semanticscholar   +1 more source

Encounters between Alpine ibex, Alpine chamois and domestic sheep in the Swiss Alps

open access: yesHystrix, the Italian Journal of Mammalogy, 2002
<strong>Abstract</strong> Information regarding spatio-temporal relationships and encounters of sympatric domestic sheep, Alpine ibex (<em>Capra ibex ibex</em>) and Alpine chamois (<em>Rupicapra rupicapra rupicapra</em ...
Marie-Pierre Ryser-Degiorgis   +5 more
doaj   +1 more source

First Report of Chlamydia Seroprevalence and Risk Factors in Domestic Black-Boned Sheep and Goats in China

open access: yesFrontiers in Veterinary Science, 2020
The Gram-negative bacteria of the genus Chlamydia cause a wide range of diseases in humans and animals. The seroprevalence of Chlamydia in domestic black-boned sheep and goats in China is unknown.
Li-Xiu Sun   +6 more
doaj   +1 more source

Behavioural Indicators of Intra- and Inter-Specific Competition: Sheep Co-Grazing with Guanaco in the Patagonian Steppe

open access: yesAnimals, 2021
In extensive livestock production, high densities may inhibit regulation processes, maintaining high levels of intraspecific competition over time. During competition, individuals typically modify their behaviours, particularly feeding and bite rates ...
Tomás Fernández   +5 more
doaj   +1 more source

EPIDEMIC PASTEURELLOSIS IN A BIGHORN SHEEP POPULATION COINCIDING WITH THE APPEARANCE OF A DOMESTIC SHEEP [PDF]

open access: yesJournal of Wildlife Diseases, 2008
A pneumonia epidemic reduced bighorn sheep (Ovis canadensis) survival and recruitment during 1997-2000 in a population comprised of three interconnected wintering herds (Kenosha Mountains, Sugarloaf Mountain, Twin Eagles) that inhabited the Kenosha and Tarryall Mountain ranges in central Colorado, USA.
Daniel J. Martin   +3 more
openaire   +3 more sources

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