Results 1 to 10 of about 207,750 (185)

Assessing the Genomics Structure of Dorper and White Dorper Variants, and Dorper Populations in South Africa and Hungary

Biology, 2023
Dorper sheep was developed for meat production in arid and semi-arid regions under extensive production systems in South Africa. Two variants with distinct head and neck colors were bred during their development process.
George Wanjala, Putri Kusuma Astuti, Zoltán Bagi, Nelly Kichamu, Péter Strausz, Szilvia Kusza   +5 more
doaj   +2 more sources

Avermectin-resistance in gastrointestinal nematodes of Boer goats and Dorper sheep in Switzerland [PDF]

Veterinary Parasitology, 2007
Anthelmintic resistance in gastrointestinal nematodes among small ruminants is widespread in South Africa and Dorper sheep and Boer goats have been imported into Switzerland from this country on a number of occasions. Therefore, this study aimed to investigate the occurrence of avermectin (AVM) resistant gastrointestinal nematodes (GIN) in these breeds
Artho, Romana Seraina, Schnyder, Manuela, Kohler, L, Torgerson, Paul R, Hertzberg, H   +4 more
openaire   +4 more sources

Differentiation of Hair Sheep Breeds Based on the Physiological and Blood Biochemical Changes in Response to Different Stressors Using Multivariate Analysis Techniques

Animals, 2023
Physiological and blood measurement changes due to high heat load, restricted feed intake, and limited drinking water availability in 135 animals of three hair sheep breeds (Dorper, Katahdin, and St.
Dereje Tadesse, Amlan Kumar Patra, Ryszard Puchala, Ali Hussein, Arthur Louis Goetsch   +4 more
doaj   +1 more source

Association analysis of GHR gene polymorphism with growth traits in sheep

Indian Journal of Animal Sciences, 2022
In this study, polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was employed to investigate the polymorphism of GHR gene and the correlations of polymorphic sites with growth traits.
JUNYAN BAI, JINGYUN LI, LIANG WANG, XINLE WANG, ZHIHAO DONG, YU CHEN, YOUBING YANG, XIAOPING JIA, XU WANG, XUEYAN FU, XIANG JI, LONGWEI WANG   +11 more
doaj   +1 more source

Prevalence study of SNP c.421G>T in the ADAMTS2 gene responsible for dermatosparaxis in White Dorper sheep in Brazil

Pesquisa Veterinária Brasileira, 2016
: Dermatosparaxis is an autosomal recessive disorder of connective tissue; the disorder is clinically characterized by skin fragility and hyperextensibility.
Danilo G.A. Andrade, Felipe M. Dalanezi, Anelize S. Trecenti, Paulo Henrique J. Cunha, Alexandre S. Borges, José P. Oliveira-Filho   +5 more
doaj   +1 more source

Adaptive and Productive Sheep Breed for Changing Climate

Proceedings, 2020
Sheep in semi-arid environments are likely to be affected by warming environment due to climate change. To identify genotypes best suited to warmer climates we assessed thermotolerance and meat quality of 5 female sheep of each of 4 breeds (Merino ...
Surinder S. Chauhan, Minghao Zhang, Aleena Joy, Richard Osei-Amponsah, Brian J. Leury, Robyn D. Warner, Iain J. Clarke, Frank R. Dunshea   +7 more
doaj   +1 more source

Genetic evaluation of growth rate and efficiency-related traits in Dorper sheep

Ecological Genetics and Genomics, 2023
The present study was carried out to estimate genetic and phenotypic parameters for growth rate and efficiency-related traits in Dorper sheep. Growth records from the breeding flock of Dorper sheep collected between 2012 and 2021 at Debre Birhan Agricultural Research Center, Amhara Region, Ethiopia were used in this study.
Shanbel Besufkad, Shenkute Goshme, Aschalew Abebe, Asfaw Bisrat, Ayele Abebe, Tesfaye Zewdie, Alemnew Areaya, Tefera Mekonnen, Mesfin Eshete, Tesfaye Getachew   +9 more
openaire   +2 more sources

Estimation of growth curve parameters of Dorper x Tumele sheep under semi-intensive management system using nonlinear models

Heliyon
This study aimed to determine the suitability of the Brody, Gompertz, Logistic, Monomolecular, Negative Exponential, and Von Bertalanffy nonlinear models to the growth curves of Dorper cross with Tumele indigenous Ethiopian sheep breed.
Getachew Worku Alebachew, Zeleke Tesema, Alemu Kefale, Belay Deribe, Mesfin Lakew, Mekonnen Tilahun   +5 more
doaj   +1 more source

Respostas fisiológicas e gradientes térmicos de ovinos das raças Santa Inês, morada nova e de seus cruzamentos com a raça Dorper às condições do semi-árido nordestino Physiologic responses and thermal variation of Santa Inês, Morada Nova sheep and their crossbreed with Dorper breed to the semi-arid northeastern of Brazil

Ciência e Agrotecnologia, 2006
Este trabalho foi desenvolvido na Empresa Estadual de Pesquisa Agropecuária da Paraíba S.A. (EMEPA-PB), no município de Soledade, com o objetivo de avaliar os parâmetros fisiológicos (freqüência respiratória, freqüência cardíaca e temperatura retal) e ...
Jose Romulo Soares dos Santos, Bonifácio Benício de Souza, Wandrick Hauss de Souza, Marcilio Fontes Cezar, Gustavo de Paula Tavares   +4 more
doaj   +1 more source

The heart remembers : observations of cardiac memory in the Dorper sheep heart

Onderstepoort J Vet Res, 2003
Memory is a property common to a diverse range of tissues. Cardiac memory has been demonstrated in the human, dog, rat and rabbit. This is a peculiar phenomenon, reflected in the T wave of the electrocardiogram. The heart is able to remember periods of alterations in the sequence of ventricular activation and once there is a return to a normal ...
J. Ker, E.C. Webb, J.A. Ker, P.A. Bekker
openaire   +4 more sources