Browsing Masters Degrees (Animal, Wildlife and Grassland Sciences) by Title
Now showing items 37-56 of 64
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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 ... -
Milk production of South African boer and indigenous feral goats under intensive and extensive feeding systems
(University of the Free State, 1999-11)English: The primary aim of this study was to investigate the milk production potential (quantity and quality) of Indigenous feral and Boer goat does under intensive and extensive nutritional regimes. The study was carried ... -
Ondersoek na linieêre klassifikasie in die Suid-Afrikaanse Jerseyras
(University of the Free State, 1999-05)English: A total of 36000 records that were obtained from INTERGIS were used in this study to determine genetic parameters for the South African Jersey breed. After editing 9447 records qualified for the analysis. The ... -
The phenotypic characterization of native Lesotho chickens
(University of the Free State, 2004-11)English: Studies were made on growth, carcass and egg performance as well as mortality of the Lesotho native chickens compared to the South African native (Potchefstroom Koekoek, Ovambo, Lebowa-Venda and Naked Neck) and ... -
Physical form of maize grain in finishing rations of ram lambs
(University of the Free State, 2008-05)English: The effect of whole (WMG), ground (GMG) and fine (FMG) maize grain in finishing rations for lambs containing 20 and 40% lucerne hay respectively was investigated. Thirty 3-month-old SA Mutton Merino lambs were ... -
A plant ecological evaluation of mechanical bush thinning in Marakele Park, Limpopo Province
(University of the Free State, 2008-01-19)English: Bush encroachment is currently of great concern in Marakele Park. The main motivation for this study, conducted during the 2003/2004 and 2004/2005 seasons, was to determine whether mechanical bush thinning, ... -
A plant ecological study of the Rietvlei Nature Reserve, Gauteng Province
(University of the Free State, 2004-11)English: This study was undertaken with the objective to identify and quantify different homogeneous management units on the Rietvlei Nature Reserve to facilitate more effective management as far as grazing utilization, ... -
Production evaluation of Opuntia robusta and O.ficus-indica cultivars in the central Free State
(University of the Free State, 2003-11)English: The search for appropriate plant species able to produce with sustainably in arid and semi-arid areas, has been a concern for some farmers living in such harsh environments. Unfortunately there is a lack of ... -
Production parameters for Boer goats in South Africa
(University of the Free State, 2009-12)English: In the first study performance data from 465 Boer goat rams tested in a central performance test in the Northern Cape Veld-Ram Club from 1989 to 2007 were analysed to determine the relationship between performance ... -
Quantification of bull sperm traits as measured by CASA and the relationship to pregnancy rate following controlled breeding
(University of the Free State, 2017-05)The biological importance of a bull’s contribution through artificial insemination to reproductive efficiency is of great importance because the sperm represents half of the genetic composition of its progeny. Therefore, ... -
Root dynamics and water studies on Opuntia ficus-indica and O.robusta
(University of the Free State, 2003-11)English: Over the last few years a great interest in cactus pear was shown in terms of both fresh fruit and fodder production. However, there is a lack of knowledge on roots and therefore this study aimed at determining ... -
Sperm cryopreservation, in vitro fertilization and faecal oestrogen enzyme immunoassay validation in the African lion (Panthera leo)
(University of the Free State, 2004-05)English: Eight captive male African lions aged 1 to 4 years (Panthera leo) from Bothaville district (n=6) and Johannesburg Zoo (n=2), as well as 1 lioness from the Bloemfontein Zoo were used during this study. The 8 male ...