Results 41 to 50 of about 1,400,481 (339)
A respiratory disease epizootic at the National Bison Range (NBR) in Montana in 2016–2017 caused an 85% decline in the bighorn sheep population, documented by observations of its unmarked but individually identifiable members, the subjects of an ongoing ...
Thomas E. Besser+6 more
doaj +1 more source
Molecular Identification of Sarcocystis Species in Sheep from Lithuania
Data on the distribution of different Sarcocystis species in various muscles of sheep are scarce. In the present study, 190 diaphragm, oesophagus, and heart muscle samples of 69 sheep raised in Lithuania were examined for the presence of Sarcocystis spp.
Alina Marandykina-Prakienė+6 more
doaj +1 more source
Comparing the diversity of the casein genes in the Asian mouflon and domestic sheep.
We aimed to determine whether casein variants that are currently segregating in ovine populations existed before the domestication of sheep or, to the contrary, if their emergence is much more recent. To this end, we have retrieved whole-genome sequences
M. G. Luigi-Sierra+2 more
semanticscholar +1 more source
Spillover of Peste des Petits Ruminants Virus from Domestic to Wild Ruminants in the Serengeti Ecosystem, Tanzania [PDF]
We tested wildlife inhabiting areas near domestic livestock, pastures, and water sources in the Ngorongoro district in the Serengeti ecosystem of northern Tanzania and found 63% seropositivity for peste des petits ruminants virus. Sequencing of the viral
Eblate, E+9 more
core +2 more sources
Liver fluke infections in cattle and sheep [PDF]
The trematode, Fasciola hepatica, is a cosmopolitan parasite of temperate regions that can infect a wide variety of wild and domestic mammalian species, including man.
Forbes, Andrew
core +1 more source
Mitochondrial DNA diversity of modern, ancient and wild sheep(Ovis gmelinii anatolica) from Turkey: new insights on the evolutionary history of sheep. [PDF]
In the present study, to contribute to the understanding of the evolutionary history of sheep, the mitochondrial (mt) DNA polymorphisms occurring in modern Turkish native domestic (n = 628), modern wild (Ovis gmelinii anatolica) (n = 30) and ancient ...
Sevgin Demirci+8 more
doaj +1 more source
India ranks the second in the world in terms of its sheep population with approximately 74.26 million represented by 44 well-described breeds in addition to several non-descript populations.
Ranganathan Kamalakkannan+8 more
doaj +1 more source
Predation Losses of Domestic Sheep in Alberta [PDF]
Highlight: This paper provides estimates of predation losses of domestic sheep in Alberta in 1974. These estimates were obtained from personal interviews. Unlike the United States, Alberta had a predator control program which emphasized the use of toxicants. Province-wide predation losses averaged 1.6% of the ewes and 2.8% of the lambs.
Lawrence D. Roy, Michael J. Dorrance
openaire +2 more sources
Rumen protozoa in South African sheep with a summary of the worldwide distribution of sheep protozoa
Protozoa species were identified in rumen contents of four domestic sheep (Ovis aries) from South Africa. All animals were fed a forage diet which consisted of 50% lucerne and 50% teff hay.
Dirk Booyse, Burk A. Dehority
doaj +1 more source
Revealing the History of Sheep Domestication Using Retrovirus Integrations [PDF]
Sheep retroviruses can be used to map the selective preferences of early farmers and trace livestock movements across Europe.
Rowland R. Kao+32 more
openaire +9 more sources