Browsing Masters Degrees (Animal, Wildlife and Grassland Sciences) by Title
Now showing items 26-45 of 64
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Factors affecting productive life and fertility in Nguni cows
(University of the Free State, 2017-07)English: The objective of the study was to assess factors that affect productive herd life and fertility in the Nguni cows using different models. The data set was obtained through the SA Stud book Logix information system. ... -
Feeding ecology of the greater Kudu (Tragelaphus strepsiceros) in the central Free State
(University of the Free State, 2017-02)The objective on most wildlife ranches is to accommodate a diversity of wildlife species to satisfy the need for ecotourism, hunting and live sales. However, the small size of many wildlife ranches presents its own unique ... -
Feedlot performance of Dorper lambs on Opunti: based diets with different nitrogen sources
(University of the Free State, 2009-11)Three feedlot diets were evaluated with Dorper wether lambs at Bergvlug Experimental Farm, Khomas Region, Namibia. Bergvlug is located about 35 km east of Windhoek. The three treatment diets consisted of a conventional ... -
Fermentation characteristics and nutritional value of Opuntia ficus-indica var. Fuscicaulis cladode silage
(University of the Free State, 2008-11)English: A laboratory study was under taken to investigate the nutritional value of different Opuntia varieties from chemical analysis. One year old cladodes from six different varieties of Opuntia ficus-indica namely ... -
Food-related determinants of Kudu carrying capacity in a semi-arid savanna
(University of the Free State, 2001-11)English: A comparative study was conducted in order to investigate the relationship between forage availability and parameters of kudu populations thought to have a bearing on kudu carrying capacity in a semi-arid savanna. ... -
The genetic basis of gestation length in Bonsmara cattle
(University of the Free State, 2002-11)English: The purpose of this study was to investigate the genetic and phenotypic parameters for gestation length and birth weight in Bonsmara cattle in South Africa. The genetic and phenotypic parameters were determined ... -
Genetic characterization of Southern African sheep breeds using DNA markers
(University of the Free State, 2006-05-16)Merino sheep are an important resource for South Afric an farmers, providing meat and wool and thus an important income source. Indigenous and locally developed breeds are an important asset for many reasons, but ... -
Genetic evaluation of production, reproduction and survival in a flock of Ethiopian Horro sheep
(University of the Free State, 2002-11)English: Genetic analyses of economically important traits were carried out using data collected for 20 years (1978-1997) from a flock of Horro sheep at Bako Research Center, Ethiopia. (Co)variance components and genetic ... -
A genetic evaluation of the Dohne Merino breed in South Africa
(University of the Free State, 2006-05)English: Genetic (co)variances for yearling body weight (BW), clean fleece weight (CFW) and mean fibre diameter (MFD) in the SA Dohne Merino population were estimated using records of 107 389 animals recorded between 1992 ... -
Genetic parameter estimation of production and reproduction traits of the Elsenburg Dormer stud
(University of the Free State, 2002-11)English: Genetic parameter estimates were compared usmg Gibbs sampling and REML methods. Variance components and resulting heritabilities of birth weight (BW) and weaning weight (WW) in the Elsenburg Dormer sheep stud ... -
The genus Cheiracanthium (Araneae: Clubionidae) in southern Africa
(University of the Free State, 1995-11)English: The southern African representatives of Cheiracanthium C.L. Koch, 1839 are revised after examining 617 adult specimens. Eight species of Cheiracanthium are recognized from this region, four are new (C. dippenaarae, ... -
The impact of predation on a sheep enterprise in the Free State Province
(University of the Free State, 2009-11-27)The Free State Wool Sheep Project was initiated in 1998 at the Glen Agricultural Institute (AI) and a selection of 280 of the available Merino ewes were randomly divided in the following four production system treatments, ... -
In vitro embryo production and semen cryopreservation in sheep
(University of the Free State, 2010-05)Two trials were conducted at Agricultural Research Council (Irene – Pretoria), between March (autumn) and October (spring), 2008. The first trial evaluated the effect of the oocyte harvesting technique on the quantity and ... -
The influence of bedding material and collecting period on the feeding value of broiler and layer litter
(University of the Free State, 2004)Guidelines for poultry production enterprises to increase the efficiency of broiler production and optimize the nutritional value of poultry litter and manure for use in ruminant nutrition is urgently needed. Therefore a ... -
The influence of body mass on production characteristics of broiler breeders
(University of the Free State, 2006-05)English: A study was conducted to investigate the effect of variation in body weight (BW) of broiler breeder hens at onset of lay (23 weeks of age) on subsequent egg production parameters and eggshell quality (27 to 60 ... -
Influence of limestone particle size in layer diets on shell characteristics at peak production
(University of the Free State, 2004-12)English: A study was conducted to investigate the influence of different particle sizes of a specific amorphous limestone source (calcium carbonate) in a layer diet on egg production and egg quality at peak production ... -
The influence of tree thinning and subhabitat differentiation on the reproductive dynamics of acacia mellifera subsp. detinens
(University of the Free State, 2001-11)The study was conducted in an area described as "Kalahari Thomveld" in the vicinity of the towns of Bray and Pomfret in the North-West Province, where Acacia mel/itera subsp. detinens is the dominant woody species. The ... -
Intake and digestibility studies with captive African lions (Panthera leo), leopards (Panthera pardus) and cheetahs ( Acinonyx jubatus)
(University of the Free State, 2002-11)English: The long-term goal of this study of the quantitative nutrition of large African predators was to develop non-invasive techniques for the accurate determination of food intake and apparent nutrient digestibility ... -
Die invloed van die frekwensie van kragvoervoeding op die benutting van melkbeesrantsoene
(University of the Free State, 1989-01)Afrikaans: In die geval van hoë produserende melkbeeste word groot hoeveelhede kragvoer, by twee geleenthede per dag aan melkkoeie verskaf. Hierdie praktyk mag moontlik met 'n lae rumen-pH na kragvoervoeding, verskuiwings ... -
Korreksiefaktore by seleksie van Merinoskape
(University of the Free State, 1971-01)English: Investigation was conducted into the influence of the age of dam and twinning on body weight, greasy fleece weight and certain fleece characteristics on lambs up to the age of 10 months. The above-mentioned ...