Results 101 to 110 of about 2,583 (190)

Dorper Sheep Technology Transfer in Damot Gale Woreda: Role of Food Security

open access: yes, 2015
A cross sectional study has been conducted in Damot Gale woreda with the objectives of documenting the role and technology transfer of Dorper sheep crosses.
Asrat Worku, Ermias Belete
core   +1 more source

Genotype by environment interactions for productivity and resistance to gastro-intestinal nematode parasites in Red Maasai and Dorper sheep

open access: yes, 2004
Red Maasai and Dorper sheep were evaluated for their resistance to gastro-intestinal (GI) nematode parasites (predominantly Haemonchus contortus), productivity and productive efficiency (assessed on a metabolizable energy basis) in experiments undertaken
W. Thorpe   +4 more
core   +1 more source

A genome scan of recent positive selection signatures in three sheep populations

open access: yesJournal of Integrative Agriculture, 2016
Domesticated sheep have been exposed to artificial selection for the production of fiber, meat, and milk as well as to natural selection. Such selections are likely to have imposed distinctive selection signatures on the sheep genome.
Fu-ping ZHAO   +6 more
doaj   +1 more source

Effects of high heat load conditions on body weight, feed intake, temperature, and respiration of Dorper, Katahdin, and St. Croix sheep

open access: yesJournal of Applied Animal Research, 2019
Forty-six Dorper, 46 Katahdin, and 43 St. Croix female sheep from four regions of the USA were used to evaluate responses to high heat load index (HLI) conditions.
Dereje Tadesse   +3 more
doaj   +1 more source

The production of Dorper, Red Masai, Dorper X Red Masai first cross and Dorper grade sheep at Ol Mogogo, Kenya, Estate

open access: yes, 2016
Dorper sheep weighed 8 kg more than Red Maasai at 1 year of age. Due to better growth rates and higher adult weight, Dorper consumed more pasture than Red Maasai.
Chemitei, V.C.C.   +4 more
core  

Importance of naturalized breeds as a base for the formation of exotic sheep (Ovis aries) breeds in tropical altitude regions

open access: yesGenetics and Molecular Biology
Recent molecular tools and technologies have marked the discovery of the origin and domestication processes of a wide variety of species, using either genomic or mitochondrial molecular markers to provide input for selection programs, as well as the ...
Joyce Azambuja de Oliveira   +5 more
doaj   +1 more source

Heart rate variability in Dorper sheep in the fetal and neonatal periods until 120 days of age: Use of the technique in the field. [PDF]

open access: yesJ Vet Med Sci, 2021
Cruz-Aleixo AS   +9 more
europepmc   +1 more source

Analysis of Breeding Business of Dorper Sheep Crossing with Local Sheep in Sakinah Aqiqah Sheep Farm

open access: yes
Sakinah Aqiqah Sheep Farm is a well-known sheep farming business in Medan city that develops a business with a cross breeding system of dorper sheep with local sheep. This study aims to determine the business feasibility and breeding strategy of crossing
Nababan, Handoko Parsaoran
core  

The rate of spread of sheep scab within small groups of Merino and Dorper sheep.

open access: yesJournal of the South African Veterinary Association, 2003
A single Merino sheep, artificially infested with the sheep scab mite, Psoroptes ovis, and a similarly infested Dorper sheep were placed with 9 uninfested Merino or 9 uninfested Dorper sheep respectively during winter and the rate of spread of infestation on the uninfested sheep observed. The same procedure was repeated in summer.
T, Meintjes, L J, Fourie, I G, Horak
openaire   +1 more source

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