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    Browsing Department of Animal Sciences by Title

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        Die aanwending van die CPM dairy model in formulering van voerrantsoene in 'n melkkudde 

        Vermaak, Jacobus Vermaak (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). ...
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        Across flock genetic parameter estimation for yearling body weight and fleece traits in the South African Dohne Merino population 

        Van Wyk, J. B.; Swanepoel, J. W.; Cloete, S. W. P. (Schalk Willem Petrus van der Merwe); Olivier, J. J.; Delport, G. J. (South African Society for Animal Science, 2008)
        Accurate genetic parameter estimates are needed upon which to perform multiple-trait across flock breed analyses. Genetic parameters for yearling body weight (BW), clean fleece weight (CFW) and mean fibre diameter (MFD) ...
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        Actual and predicted performance of broiler chickens 

        Van Niekerk, S. J. (Sarel Johannes) (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 ...
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        The adaption of the South Africa sheep industry to new trends in animal breeding and genetics : a review 

        Cloete, S. W. P. (Schalk Willem Petrus van der Merwe); Olivier, J. J.; Sandenbergh, L.; Snyman, M. A. (South African Society for Animal Science, 2014-10-11)
        The history of sheep breeding research in South Africa can be divided roughly into four eras, namely the research and development phase, the commencement of recording and evaluation, the expansion of recording schemes, ...
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        Allometric description of ostrich (Struthio camelus var. domesticus) growth and development 

        Kritzinger, Werne Jacobus (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 ...
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        Alternatives to replace antibiotics in broiler diets : effects on protein utilization and production performance 

        Kritzinger, Magdel (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 ...
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        Amino acid requirements of feedlot cattle according to the duodenal and whole empty body essential amino acid profile 

        Erasmus, Morné (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 ...
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        Amino acid requirements of South African Mutton Merino lambs 3. Duodenal and whole empty body essential amino acid profile 

        Ferreira, A. V.; Van der Merwe, H. J.; Loest, C. A. (South African Society for Animal Science, 1999)
        The duodenal and whole empty body essential amino acid (EAA) profile of South African Mutton Merino lambs fed a standard growth diet was investigated. The data of 20 lambs were used. With the exception of phenylalanine, ...
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        Analysis of carcass characteristics and fat deposition of Merino, South African Mutton Merino and Dorper lambs housed in a feedlot 

        Brand, T. S.; Van der Westhuizen, E. J.; Van der Merwe, D. A.; Hoffman, L. C. (South African Society for Animal Science, 2018-02-15)
        The objective of this study was to determine the effect of time spent in a feedlot on the size of the various fat depots and the distribution of the main tissues (muscle, bone, and fat) of three common South African sheep ...
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        Animal performance from natural pastures and the effects of phosphorus supplementation 

        Read, Marion Victoria Pearl (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 ...
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        Ante- and post-mortem factors influencing impala (Aepyceros melampus) meat quality 

        Engels, Retha Annette (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), ...
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        Anti-nutritional factors in canola produced in the Western and Southern Cape areas of South Africa 

        Brand, T. S.; Smith, N.; Hoffman, L. C. (South African Society for Animal Science, 2007)
        ABSTRACT: The development of low erucic acid, low glucosinolate cultivars of canola seed has led to the availability of a feed ingredient with considerable potential to replace soyabean meal in diets for all classes of ...
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        Application of dietary bentonite clay as feed addictive on feed quality, water quality and production performance of African catfish (Clarias gariepinus) 

        Ayoola, Mathew Oluwaseyi (Stellenbosch : Stellenbosch University, 2016-03)
        ENGLISH ABSTRACT: Aquaculture remains the fastest growing animal food producing sector and is gradually overtaking capture fisheries as a source of food fish. The challenges of poor feed quality, feed utilisation and water ...
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        Application of European standards for health and quality control of game meat on game ranches in South Africa 

        Van der Merwe, M.; Jooste, P. J.; Hoffman, L. C. (AOSIS, 2011)
        The health and quality compliance of game carcasses (n = 295) intended for the South African export market and aspiring to comply with the strict hygiene requirements of the European Union were compared with game carcasses ...
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        Application of exogenous enzymes in Haliotis midae diets with soybean meal as fish meal replacement 

        De Villiers, Christopher Murray (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 ...
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        Application of immunocastration in a commercial Dohne Merino ram flock before weaning 

        Needham, T.; Lambrechts, H.; Hoffman, L. C. (South African Society for Animal Science, 2019-01-03)
        The influence of pre-weaning immunocastration on the growth, incidences of reaction to vaccination, serum testosterone concentration and slaughter performance of ram lambs was determined and compared to that of physically ...
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        Application of the condition factor in the production of African sharptooth catfish Clarias gariepinus 

        Luckhoff, Paul Daniel (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 ...
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        Aquaculture practices in irrigation reservoirs of the Western Cape Province of South Africa in relation to multiple resource use and socio-ecological interaction 

        Salie, Khalid (Stellenbosch : Stellenbosch University, 2014-04)
        ENGLISH ABSTRACT: Aquaculture has proven to be a viable operation in multi-used irrigation reservoirs (also referred to as farm dams) in the Western Cape province (WCP) of South Africa. Many studies found that the ...
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        The assessment of black soldier fly (Hermetia illucens) pre-pupae, grown on human faecal waste, as a protein source in broiler and layer diets 

        Van Schoor, Anton Lourens (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 ...
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        An assessment of the contributions of Afrikaner, Hereford and Simmentaler in composite breed development in beef cattle 

        Skrypzeck, Heidi (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 ...

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