Doctoral Degrees (Animal, Wildlife and Grassland Sciences)
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Relationship of corticoid, thyroid and metabolic profiles with fertility of beef females on sourveld and mixed sweetveld
(University of the Free State, 2000-09)English: During the 1981/82 season, first-calf Bonsmara cows on the sourveld (lower plane of natural pasture) supplemented with an NPN lick in winter (sourveld +N), and sourveld not supplemented with an NPN lick in winter ... -
Genetic improvement of beef cattle in a tropical environment with special reference to the Gudali and Wakwa breeds in Cameroon
(University of the Free State, 1999-11)English:In an attempt to genetically Improve Gudali beef cattle JO Cameroon, two selection experiments were conducted between 1968 and 1988 at the Animal Production and Research Stations of Wakwa, Ngaoundere. The one ... -
In vitro embryo production in cattle
(University of the Free State, 2007-08)English: The objective of this study was the development of efficient in vitro embryo production (IVEP) technology for application on fertility-impaired beef and dairy cows. Fertility-impaired implying animals that could ... -
The utilization by domestic ruminants in Botswana of treatment diets containing cereal crop stovers treated with urea or urea and molasses
(University of the Free State, 2007-03)English: The studies were aimed at examining the effects of treatment with urea or urea and molasses on the physical and chemical composition of stovers of sorghum, maize and millet and assessing the potential of these ... -
Studies on the behavioural and genetic aspects of ewe rearing ability and lamb survival in South African sheep flocks
(University of the Free State, 2002-11)English: The dissertation is based on a number of separate trials conducted since 1989. The central theme is ewe rearing ability and lamb survival, and the study includes 15 papers prepared over an 11-year period from ... -
The influence of feeding various roughage: concentrate ratios on milk production of Friesland cows
(University of the Free State, 1974-12)1. In a single-lactation 240-day continuous trail, 64 lactating dairy animals were used to study input-output response to complete rations. Nine first-calf heifers and seven cows were allotted by the procedure of balancing ... -
FarmRec: 'n geïntegreerde ekstensiewe veeboerdery rekordhoudingstelsel
(University of the Free State, 2003-04)English: Extensive farmers in South Africa do not generally keep records of their farming activities, and if they do, it only entails financial record keeping for the Receiver of Revenue. Resources for farm record keeping, ... -
Crude protein and mineral status of forages grown on Pellic Vertisol of Ginchi, Central Highlands of Ethiopia
(University of the Free State, 2002-11)The study was conducted at Ginchi, which is situated in the western Shoa zone of the central Ethiopian highlands. The main aim of the study was to assess the crude protein (CP) and mineral status of feeds produced in the ... -
Rangeland evaluation and perceptions of the pastoralists in the Borana zone of southern Ethiopia
(University of the Free State, 2003-03)The study was conducted in the Borana rangeland of southern Ethiopia. In the last few decades the Borana rangelands have been degraded while the pastoralists adhered to the traditional grazing strategies. The main aims ... -
Rangeland evaluation in relation to pastoralists perceptions in the middle Awash valley of Ethiopia
(University of the Free State, 2003-01)Pastoralism is the most dominant land use form in the arid rangelands of Sub- Saharan Africa in which Ethiopia is not an exception. However, in Ethiopia and elsewhere, rangeland-based life-styles are in difficulty with ... -
Genetic factors affecting milk production, growth and reproduction traits in Bos indicus x Bos taurus crosses in Ethiopia
(University of the Free State, 2002-11)English: Five separate studies were conducted to investigate the genetic factors affecting growth, milk production and reproduction traits in Bos indicus x Bos taurus crosses in Ethiopia. The first three studies were ... -
Wool sheep production systems for the Western Highveld of South Africa
(University of the Free State, 2000-05)English: The aim of this study was to evaluate the biological and economical feasibility of wool sheep farming in the Western Highveld of South Africa. The performance of young sheep utilizing Digitaria eriantha Steud. ... -
Produksiepotensiaal van verskillende eerstekruising Afrikanerbeeste
(University of the Free State, 1977-11)English: In the development of crossbreeding systems in beef production under South African conditions, more information on the combination ability of various types of exotic beef breeds with the indigenous Africander ... -
The demography and population status of lions (Panthera leo) in the Mana Pools National Park, Zimbabwe
(University of the Free State, 2008-11)English: Demographics of the lion population in the Mana Pools National Park were studied between 2001 and 2007. No detailed work had previously been carried out on this subject in the park. Demographic data was obtained ... -
Alternative management systems to increase beef production under extensive conditions
(University of the Free State, 2016-06)South Africa is still a net importer of beef. Therefore, by increasing off take in the beef sector, South Africa can move towards self-sufficiency. With fertility being regarded as one of the main components influencing ... -
Comparison of genetic and immunological responses to tick infestation between three breeds of sheep in South Africa
(University of the Free State, 2016-01)The study investigated genetic parameters and immunological responses to tick infestation in three South African sheep breeds (Namaqua Afrikaner [NA], Dorper and SA Mutton Merino [SAMM]). The study aimed to estimate genetic ... -
Water use and production potential of Karoo shrubs
(University of the Free State, 2015-06)English: Variation in, and changing of climatological patterns, especially rainfall, as well as grazing intensity and frequency has the biggest influence on rangeland productivity and sustainable animal production in the ... -
Phenotypic and genetic characterization of indigenous chicken populations in Northwest Ethiopia
(University of the Free State, 2007-05)English: This study was carried out to generate information on village based indigenous chicken utilization, management practices, opportunities and challenges, to identify, characterize and describe the phenotypic variation ... -
Characterization of rangeland resources and dynamics of the pastoral production systems in the Somali region of eastern Ethiopia
(University of the Free State, 2006-05)The study was conducted in the Somali region of eastern Ethiopia, with an arid to semiarid climate. The study aimed at the characterization of the rangeland resources, assessing the current condition of the rangeland, ... -
Causes and consequences of fenceline contrasts in Namibian rangeland
(University of the Free State, 2011-02-15)English: This study made use of the opportunity provided by fenceline contrasts in Namibia to measure differences in rangeland and learn from farmers about the inputs and outputs of management on each side of the fence. ...
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