Results 21 to 30 of about 54,642 (306)

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

, 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., Pemberton, J. M., Craig, B. H.   +2 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

Remote 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, Quanqin Shao, Yuzhe Li, Yangchun Wang, Dongliang Wang, Jiyuan Liu, Jiangwen Fan, Fan Yang   +7 more
doaj   +1 more source

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

Parasite, 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, Li Lingjuan, Lu Yi, Zhang Haizhu, Xie Qing, Zhang Zhenchao   +5 more
doaj   +1 more source

Epidemiology of parasitic protozoan infections in Soay sheep (Ovis aries L.) on St Kilda [PDF]

, 2006
The feral Soay sheep (Ovis aries L.) population on Hirta, St Kilda, is host to a diverse component parasite community, but previous parasitological studies of the population have only focussed on the metazoan species.
B. H. CRAIG, L. E. B. KRUUK, Pilkington, J. G., Pemberton, J. M., Kruuk, L. E. B., J. M. PEMBERTON, J. G. PILKINGTON, Craig, B. H.   +7 more
core   +1 more source

Mitochondrial DNA analysis of ancient sheep from Kazakhstan: evidence for early sheep introduction

Heliyon, 2021
Kazakhstan covers a vast territory, and it has always been a land of nomadic pastoralism, where domesticated horses and sheep were moved by nomadic people across the steppe.
Pavel Tarlykov, Sabina Atavliyeva, Dana Auganova, Ilyas Akhmetollayev, Tatyana Loshakova, Victor Varfolomeev, Yerlan Ramankulov   +6 more
doaj   +1 more source

Health status and microbial (Pasteurellaceae) flora of free‐ranging bighorn sheep following contact with domestic ruminants

Wildlife Society Bulletin, 2014
Eighteen bighorn sheep (Ovis canadensis) with known or suspected contact with domestic ruminants on public or private land were removed to prevent possible disease transmission.
Mark L. Drew, Karen M. Rudolph, Alton C. S. Ward, Glen C. Weiser   +3 more
doaj   +1 more source

Volatility in Live Calf, Live Sheep, and Feed Wheat Return Markets: A Threat to Food Price Stability in Turkey

Agriculture, 2022
The volatility of meat prices affects the accessibility and even food security of some consumers in Turkey. This study analyses the prices of selected livestock and a major feed component, wheat, as well as the exchange rate of the domestic currency in ...
Faruk Urak, Abdulbaki Bilgic, Gürkan Bozma, Wojciech J. Florkowski, Erkan Efekan   +4 more
doaj   +1 more source

Identification of Ancestry Informative Marker (AIM) Panels to Assess Hybridisation between Feral and Domestic Sheep

Animals, 2020
Hybridisation of wild populations with their domestic counterparts can lead to the loss of wildtype genetic integrity, outbreeding depression, and loss of adaptive features.
Elisa Somenzi, Paolo Ajmone-Marsan, Mario Barbato   +2 more
doaj   +1 more source

Genetically similar strains of Escherichia coli O157:H7 isolated from sheep, cattle and human patients [PDF]

, 2012
Conclusions: The same pathogenic subtypes of VTEC O157:H7, including the highly virulent clade 8, appear to be present in both sheep and cattle in Sweden, suggesting strains can circulate freely between ruminant ...
Söderlund, Robert, Aspán, Anna, Hedenström Ingela, Nilsson, Anna, Eriksson, Erik, Nilsson Anna, Hedenström, Ingela, Eriksson Erik, Aspán Anna, Söderlund Robert   +9 more
core   +1 more source

Scrapie-resistant sheep show certain coat colour characteristics

, 2009
Susceptibility to scrapie is known to be associated with polymorphisms at the prion protein (PrP) gene, and this association is the basis of current selective programmes implemented to control scrapie in many Countries.
White, I, Brotherstone, S., White, I., Sawalha, RM, Villanueva, B., Villanueva, B, Wilson, A. J., Brotherstone, S, Wilson, AJ, Bell, L., Bell, L, Sawalha, R. M.   +11 more
core   +1 more source