Search Results - Van Zyl, Johan

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  1. Die invloed van verskillende voedingsmetodes op die melkproduksie en -samestelling van Holstein-frieskoeie by Van Zyl, Johan Hendrik Combrink

    Published 2012
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    Thesis
  2. Agricultural support programmes in the developing areas of South Africa

    Published 2016
    Other Authors: “…Van Zyl, Johan…”
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    Thesis
  3. Ruminal and intestinal digestibility of rumen protected lysine and its effect on production responses in Merino rams by Uys, Janien

    Published 2020
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  4. The effect of exogenous fibrolytic enzymes on fibre digestion in ruminant animals by Skippers, Zarinah

    Published 2021
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  5. Effect of feed composition and sex on feedlot performance, carcass characteristics and profitability of Dorper lambs by Hanel, Emma Claire

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  6. The effect of feed processing and nutrient density level on the growth rate, feed conversion, rumen fermentation parameters and economy of finishing lambs by Uys, Pieter Hendrik Schalk

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  7. An efficiency and economic comparison of conventional and radio frequency identification slaughter readiness methodology in commercial lamb feedlots by Jordaan, Hannelet

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  8. An in vitro comparison of plant‐based protein sources and their effects on feedlot lamb growth parameters by Van Niekerk, Marguerite

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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  9. The effect of milk replacer intake and level of crude protein in starter feed on dairy bull calf pre-weaning growth parameters and the carry-over effect on post-weaning growth and... by Jordaan, Marisa

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  10. The effect of fenugreek seed cotyledon extract (Trigonella foenum-graecum L.) supplementation on feedlot beef cattle production by Van Wyk, Daniel John

    Published 2022
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  11. The effect of pasture biostimulant treatment and decreased concentrate supplementation on pasture production and the production and profitability of pasture fed lactating Jersey co... by De Beer, Janika

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis
  12. The effect of exogenous fibrolytic enzymes on fibre digestibility in feedlot lambs by Nowers, Petrus Johannes

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis
  13. Effect of an essential oil cocktail on milk production and digestibility parameters of Jersey cows grazing ryegrass pasture by Van Greunen, Benjamin Biekersteth

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink …”
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    Thesis
  14. Hydrolysed insect proteins as fish meal alternatives in the diets of South African abalone (Haliotis midae) by Van Schalkwyk, Mighael

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis
  15. The effect of Ulva lactuca on in vitro ruminal gas production kinetics, intrinsic methane production and the performance of Dohne Merino ewes by Nell, Sone

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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  16. Essential oils as natural alternatives to growth promotors: the effect on growth performance, gut health, meat quality, and profitability in feedlot sheep by Maritz, Zane

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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  17. The extent and mitigation of mycotoxins in commonly used feed commodities in South African beef feedlots by Van der Merwe, Anel

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis
  18. The effect of extrusion, fat coating and increased protein content of calf starter feed on growth performance of Angus calves and feedlot bulls by Orffer, Christiaan Johannes

    Published 2023
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis
  19. The nutritional value and palatability of Ulva lactuca as ruminant feed ingredient by Sutherland, Brandin

    Published 2024
    Other Authors: “…Van Zyl, Johan Hendrik Combrink…”
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    Thesis