نتایج جستجو برای: australian merino sheep

تعداد نتایج: 91607  

2016

Diseases of the lower respiratory tract of sheep are not considered a serious cause of lost productivity in Australian flocks because of the generally sporadic nature of serious respiratory disease and the sub-clinical nature of most cases of respiratory infection. The extensive conditions under which Australian sheep are usually managed do not favour transmission of pneumonic infectious agents...

2010
Michael W. Paton Michael Wayne Paton

The objective of this thesis was to better understand the epidemiology of caseous lymphadenitis (CLA) and its economic effects on the Australian sheep industries. The work also sought to apply this knowledge to better understand how to control the disease in Australian sheep flocks. The occurrence of CLA in some other species, as a comparison to CLA in sheep, is described in the literature revi...

2009
OTTMAR DISTL

Scrapie is a fatal neurodegenerative disease of sheep and goats belonging to the group of transmissible spongiform encephalopathies (TSE). TSEs are characterised by distinctive pathology, the involvement of a hostencoded prion protein (PrP) in disease development and genetic control of susceptibility. Polymorphisms in three different codons of the ovine prion protein (PrP) gene (136, 154, 171) ...

Journal: :Australian Journal of Biological Sciences 1985

Journal: :Small Ruminant Research 2021

In order to investigate the physical leather quality characteristics of different sheep breeds, skins were obtained from Dohne Merino, Dormer, Dorper, Meatmaster, South African Mutton Merino (SAMM) and White Dorper yearlings two separate growth studies. The cured stored for 18 months (Group 1) 9 2) prior tanning. After tanning, samples butt region taken determine tensile strength distension pro...

Journal: :Reproductive biology 2006
Maria Skrzyszowska Jolanta Karasiewicz Marek Bednarczyk Marcin Samiec Zdzisław Smorag Bogusław Waś Andrzej Guszkiewicz Maciej Korwin-Kossakowski Maria Górniewska Ewa Szablisty Jacek A Modliński Paweł Łakota Magdalena Wawrzyńska Andrzej Sechman Dorota Wojtysiak Anna Hrabia Maria Mika Mirosław Lisowski Przemysław Czekalski Janusz Rzasa Ewa Kapkowska

The article summarizes results of studies concerning: 1/ qualitative evaluation of pig nuclear donor cells to somatic cell cloning, 2/ developmental potency of sheep somatic cells to create chimera, 3/ efficient production of chicken chimera. The quality of nuclear donor cells is one of the most important factors to determine the efficiency of somatic cell cloning. Morphological criteria common...

2013
Mahmoud Mageed Dagmar Berner Henriette Jülke Christian Hohaus Walter Brehm Kerstin Gerlach

Sheep are commonly used as a model for human spinal orthopaedic research due to their similarity in morphological and biomechanical features. This study aimed to document the volumes of vertebral bodies and compare the generated results as well as morphometry of the sheep lumbar spine to human published data. For this purpose, computed tomography scans were carried out on five adult Merino shee...

Journal: :Australian Journal of Biological Sciences 1967

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