Results 31 to 40 of about 1,269,900 (292)

Gastrointestinal nematode species burdens and host mortality in a feral sheep population [PDF]

open access: yes, 2006
Every few years a large proportion of the feral sheep on Hirta, St Kilda die due to food shortage. The effects of malnutrition are exacerbated by gastrointestinal nematodes. As found in sheep flocks in mainland Britain, Teladorsagia circumcincta has long
Pilkington, J. G.   +2 more
core   +1 more source

Seroprevalence and risk factors of Neospora caninum infection among domestic sheep in Henan province, central China

open access: yesParasite, 2018
This study aimed to determine the frequency of antibodies to Neospora caninum in domestic sheep raised in Henan province, central China. Serum samples from 779 domestic sheep were collected from March 2015 to May 2016, and antibodies to N.
Wang Shuai   +5 more
doaj   +1 more source

Deep Genome Resequencing Reveals Artificial and Natural Selection for Visual Deterioration, Plateau Adaptability and High Prolificacy in Chinese Domestic Sheep

open access: yesFrontiers in Genetics, 2019
Sheep were one of the earliest domesticated animals. Both artificial and natural selection during domestication has resulted in remarkable changes in behavioral, physiological, and morphological phenotypes; however, the genetic mechanisms underpinning ...
Weimin Wang   +13 more
doaj   +1 more source

Applied cognition research to improve sheep welfare

open access: yesAnimal Sentience, 2019
If a change is going to occur in the care and management of domestic sheep, there needs to be a collaborative effort across many disciplines. This review by Marino & Merskin of the literature on cognitive processing in domestic sheep is limited by the ...
Kristina Horback
doaj   +1 more source

Fat-tailed sheep in Indonesia; an essential resource for smallholders. [PDF]

open access: yes, 2011
This paper discusses the historical development of fat-tailed sheep in Indonesia, the dynamics of production systems, production and reproduction performances under farmers’ conditions, and roles of sheep in livelihoods.
Udo, H.M.J.   +3 more
core   +1 more source

Application of UAV Remote Sensing for a Population Census of Large Wild Herbivores—Taking the Headwater Region of the Yellow River as an Example

open access: yesRemote Sensing, 2018
We used unmanned aerial vehicles (UAVs) to carry out a relatively complete population census of large wild herbivores in Maduo County on the Tibetan Plateau in the spring of 2017.
Xingjian Guo   +7 more
doaj   +1 more source

Local consumer demands and domestic supply of sheep and goat meat

open access: yes, 2021
Understanding consumer demand critical for the development of the sheep meat and goat meat industries. Past studies have, at a national level, found that diverse backgrounds increased demand for leaner cuts, and price being important to consumers.
Star, Megan, Rolfe, John, Lyons, Ben
core   +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.
Janet L, George   +3 more
openaire   +2 more sources

Identification of selective sweep and associated QTL traits in Iranian Ovis aries and Ovis orientalis populations

open access: yesFrontiers in Genetics
IntroductionIdentifying genomic regions under selection is the most challenging issue for improving important traits in animals. Few studies have focused on identifying genomic regions under selection in sheep.
Sadegh Taheri   +2 more
doaj   +1 more source

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