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Browsing Production Animal Studies by Type "Thesis"
Now showing items 1-20 of 23
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(University of Pretoria, 2017)The ability to accurately evaluate the quality and estimate the fertilizing potential of dog semen has increased in importance as a result of the more widespread use of artificial insemination but remains challenging. The ...
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(University of Pretoria, 2020)The South African poultry industry has been beset by sporadic H6N2 avian influenza infection (sub-lineage I and II) in chickens since the early 2000s, with economic losses resulting from reduced egg production and co-infection ...
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(University of Pretoria, 2013)A series of 4 observational studies was performed on a Bovelder herd at Johannesburg Water’s Northern Farm. The heifer and cow breeding seasons started on 15 October and 1 November every year, and consisted of 50 d and ...
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(University of Pretoria, 2006-03-24)Feedlot cattle are subjected to numerous stresses that impede on their growth performance and carcass quality. Stress also depletes the animal body with its nutrients subsequently leading to deficiencies. The aim of this ...
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(University of Pretoria, 1975)No abstract available.
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(University of Pretoria, 2019)The use of immunocontraceptives in veterinary population management and wildlife fertility control is well-established. The porcine zona pellucida (pZP) vaccine has been successfully used in approximately 85 species. The ...
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(University of Pretoria, 2012)Livestock production, of which cattle production is a major component, plays a key role in the socio-economic development of Nigeria, with 70-80% of the nation’s population of over 150 million engaged in agriculture and ...
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(University of Pretoria, 2013)Cryptosporidium spp. is an oocyst-forming apicomplexan protozoan, which infects humans and a large variety of animals. Several species and genotypes are potentially zoonotic and ruminats are considered as an important ...
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(University of Pretoria, 2012)Village chickens contribute considerably to the economy and to the nutritional requirements and livelihood of many rural farmers in developing countries across the globe. The spread of highly pathogenic avian influenza ...
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(University of Pretoria, 2018)Surveillance is one of the core components of freedom from disease status declarations made by countries with regards to African horse sickness (AHS). This is especially true for South Africa which has a controlled area ...
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(University of Pretoria, 1958)The history, growth and present development of the Thoroughbred industry of South Africa are described. The reasons for the establishment of Thoroughbred studs in the Karroo Midlands are discussed. A study is made of ...
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(University of Pretoria, 2011)This multifaceted study primarily aimed at understanding the genetic make-up of captive versus wild cheetah (Acinonyx jubatus) populations in South Africa, with a specific emphasis on a valuable gene pool of a recessive ...
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(University of Pretoria, 2018)Mycoplasma gallisepticum and Mycoplasma synoviae are listed by the World Organisation for Animal Health (OIE) as notifiable avian diseases agents and are considered as economically important species affecting the South ...
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(University of Pretoria, 2015)Giraffes (Giraffa camelopardalis) have evolved into a unique and extreme shape. The principle determinant of its shape is the skeleton and the overarching theme of the study was to describe how this shape is achieved ...
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(University of Pretoria, 2012-09-27)The aim of this study was to define the ovarian follicular reserve of wild African elephants in terms of its type of small follicles (SF), its establishment and distribution throughout the ovaries, and the change in numbers ...
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(University of Pretoria, 2017)It is known that the prevalence of CSs in some breeds approaches 100%. In addition, this study identified previous CSs, fewer than eight and more than 11 puppies per litter in Boerboel bitches as obstetric risk factors ...
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(University of Pretoria, 2020-10)Leptospirosis is an important global re-emerging, occupational, environmental and zoonotic disease. It is an under-estimated disease of public health and veterinary importance caused by the pathogenic spirochetes belonging ...
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(University of Pretoria, 2022)Infectious Bronchitis Virus (or IBV) is the root cause of extremely infectious respiratory disease that occurs in chickens. It has a high mutation rate that causes the emergence of multiple variants that are difficult ...
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(University of Pretoria, 1948)No abstract available
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(University of Pretoria, 2017)No abstract
Now showing items 1-20 of 23