Browsing Animal, Wildlife and Grassland Sciences by Issue Date
Now showing items 1-20 of 98
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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 ... -
Die doeltreffendheid van proteïen- en energiebenutting deur vleisvarke
(University of the Free State, 1972)Abstract not available -
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 ... -
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 ... -
Die toevoer van beeste en die gehalte van karkasse uit 'n vleisproduksie oogpunt by die Bloemfonteinse slagpale
(University of the Free State, 1979-07)Afrikaans: 1. Ondersoek is ingestel na die toevoer van slagdiere en die gehalte van die karkasse by die Bloemfonteinse slagpale. 2. Die doel van die studie was om ondersoek in te stel na die tipes diere wat geslag word ... -
Waterbalans studies in geselekteerde subhabitatte van 'n Burkea-Savanna
(University of the Free State, 1980-11)English: During this project the field-water balances in four subhabitats of the Burkea savanna in Phase II of the Savanna Ecosystem Project at Nylsvley were studied.The project included a study of the water redistribu ... -
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 ... -
Weidingkapasiteitstudies op veld in die Noord-Kaap
(University of the Free State, 1990-11)No abstract available. -
The use of different anabolic agents in gilts
(University of the Free State, 1995-07)24 Crossbred gilts (Large White x Landrace) purchased as weaners were randomly allocated to four treatment groups (n = 6) and submitted for an observation period of three phases: Phase I, in which the animals were treated ... -
The effects of breed and housing system on the production and reproduction of weaner piglets in an outdoor pig unit
(University of the Free State, 1995-08)Outdoor pigfarming is a concept which (within the 20th century) had its origin (revival) in the early 1950s in England. Today approximately 15% of all breeding sows in England are kept out of doors while in South Africa ... -
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, ... -
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 ... -
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 ... -
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 ... -
Evaluation of cryopreservation methods for in vitro produced bovine embryos
(University of the Free State, 1999-11)English: The objective of this study was to evaluate four cryopreservation techniques for in vitro produced bovine embryos, and to select the best method for practical application. The cryopreservation methods investigated ... -
The value of recording body measurements in beef cattle
(University of the Free State, 2000-02)English: Body size and shape are objectively described using body measurements in beef cattle. How these measures of size and shape relate to the functioning of the individual is of paramount importance to livestock ... -
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. ... -
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 ... -
Synchronisation of oestrus in indigenous goats: the use of different progestagen treatments
(University of the Free State, 2000-11)English: A study aimed at comparing the efficiency of different progestagen treatments used for oestrous synchronization in indigenous South African goats was carried out between February (autumn) and September (spring), ... -
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. ...