Browsing Masters Degrees (Animal Sciences) by Title
Now showing items 1-20 of 257
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Die aanwending van die CPM dairy model in formulering van voerrantsoene in 'n melkkudde
(Stellenbosch : Stellenbosch University, 2005-04)ENGLISH ABSTRACT: CPM Dairy was developed to maintain amino acid balance. because the correct amino acid relationship has an influence on milk production and milk composition (Schwab e/ af. 1992, Rulquin e/ af. 1993). ... -
Actual and predicted performance of broiler chickens
(Stellenbosch : Stellenbosch University, 2004-03)ENGLISH ABSTRACT: The aim of this study was to evaluate the performance and profitability of different dietary specifications for broiler chickens slaughtered at 35 days of age. Two trials were performed to evaluate ... -
Allometric description of ostrich (Struthio camelus var. domesticus) growth and development
(Stellenbosch : University of Stellenbosch, 2011-03)ENGLISH ABSTRACT: The ostrich industry has overcome many challenges since it originated. However, it is still vulnerable to sudden changes in customer preferences and economic cycles. As feed costs are the greatest expense ... -
Alternatives to replace antibiotics in broiler diets : effects on protein utilization and production performance
(Stellenbosch : Stellenbosch University, 2008-12)ENGLISH ABSTRACT: Different substances were evaluated and compared to an antibiotic, in terms of their effect on nitrogen - and amino acid digestibilities. Two digestibility trials and one performance trial were ... -
Amino acid requirements of feedlot cattle according to the duodenal and whole empty body essential amino acid profile
(Stellenbosch : Stellenbosch University, 2001-12)ENGLISH ABSTRACT: The purpose of this study was to determine the essential amino acid requirements of beef cattle under feedlot conditions through evaluation of the duodenal and whole empty body essential amino acid ... -
Animal performance from natural pastures and the effects of phosphorus supplementation
(Stellenbosch : Stellenbosch University, 1984-03)INTRODUCTION: This study was initiated by the various reports of improved animal performance resulting from supplementary feeding of grazing ruminants and in this respect, it may be regarded as a feasibility study of ... -
Ante- and post-mortem factors influencing impala (Aepyceros melampus) meat quality
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: The aim of this research was to investigate the influence of sex, muscle (Longissimus thoracis et lumborum/LTL, biceps femoris/BF, semimembranosus/SM, semitendinosus/ST, infraspinatus/IS, and supraspinatus/SS), ... -
Application of exogenous enzymes in Haliotis midae diets with soybean meal as fish meal replacement
(Stellenbosch : Stellenbosch University, 2012-03)ENGLISH ABSTRACT: A 240-day growth study was conducted to determine the suitability of soybean meal (SBM) as an alternative protein source to fish meal (FM) in the diet of commercially produced South African abalone ... -
Application of the condition factor in the production of African sharptooth catfish Clarias gariepinus
(Stellenbosch : University of Stellenbosch, 2005-03)In recent years there has been a renewed interest in the commercial culture of African Sharptooth Catfish. Its robust characteristics and its air breathing capabilities makes the African catfish a good candidate for ... -
The assessment of black soldier fly (Hermetia illucens) pre-pupae, grown on human faecal waste, as a protein source in broiler and layer diets
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The aim of this study was to investigate the effect of processing of black soldier fly (Hermetia illucens) pre-pupae meal (BSF), grown on human waste, as a protein source in broiler and layer hen diets ... -
An assessment of the contributions of Afrikaner, Hereford and Simmentaler in composite breed development in beef cattle
(Stellenbosch : Stellenbosch University, 2000-12)ENGLISH ABSTRACT: The objective of this study was to obtain more information regarding the characterisation of Afrikaner (A), Hereford (H) and Simmentaler (S) breeds in an initial crossbreeding programme and subsequent ... -
Beef production, quality and fatty acid composition of non-descript crossbreed steers fed natural pasture-based diets
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: The broad objective of the current study was to assess beef production and quality of steers fed diets formulated using locally available feed resources in communal areas of Eastern Cape Province, South ... -
Die beheer van rooikatte (Felis caracal) en bobbejane (Papio ursinus) in Kaapland met behulp van meganiese metodes
(Stellenbosch : Stellenbosch University, 1989-12)AFRIKAANSE OPSOMMING: Die wye verspreiding van rooikatte oor Kaapland in al die hoofplantegroeitipes en in 'n wye verskeidenheid van terreintipes is aangetoon. Rooikatte blyk heterogene habitatte, geskep deur gebroke ... -
'n Beoordeling van prestasie-evalueringsprosedures van Dorperramme onder ekstensiewe bestuurstoestande
(Stellenbosch : Stellenbosch University, 2007-03)ENGLISH ABSTRACT: AN ASSESSMENT OF PERFORMANCE EVALUATION PROCEDURES OF DORPER RAMS UNDER EXTENSIVE MANAGEMENT CONDITIONS. During 1988 to 2000, Dorper rams (n=2565) maintained on the Kalahari Experimental Farm during ... -
Black soldier fly (Hermetia illucens) pre-pupae as a protein source for broiler production
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: The aim of the study was to investigate the potential of black soldier fly (Hermetia illucens) pre-pupae meal (BSM) as a protein source in broiler chicken diets. The first part of the study determined the ... -
Breed differences in ruminal digestibility of forages in dairy cows receiving high concentrate diets
(Stellenbosch : Stellenbosch University, 2000-11)ENGLISH ABSTRACT: Statistical analysis was conducted on data from two Elsenburg herds, containing 105 Jersey and 232 Holstein cows. The data was examined for external factors which may affect milk yield and milk ... -
Breed, transport and lairage effects on animal welfare and quality of Namibian beef
(Stellenbosch : University of Stellenbosch, 2010-03)ENGLISH ABSTRACT: Namibia by nature is very well suited for livestock production and is a net exporter of beef. Beef is currently exported to South Africa, the European Union (EU) and Japan while market access to the ... -
Buffer supplementation in concentrates for Jersey cows grazing spring ryegrass pasture
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: Pasture is the cheapest available source of nutrients and in the Southern part of the Western Cape of South Africa the most common used pasture system is kikuyu grass, over-sown with ryegrass. For this ... -
The caracal, Felis caracal caracal Schreber, 1776, as predator in the West Coast National Park
(Stellenbosch : Stellenbosch University, 1993)ENGLISH ABSTRACT: Small mammals were sampled in eight different plant communities in the West Coast National Park and on two farms adjacent to the Park, and along various slopes in the Postberg Nature Reserve section. ... -
Carcass traits in relation to genotype in sheep
(Stellenbosch : Stellenbosch University, 2002-04)ENGLISH ABSTRACT: Experiment 1: Two studies were conducted to research the effect of divergent selection for multiple rearing ability on carcass weight, mutton production, meat quality and carcass characteristics of ...
