• Implementation of a digestible calcium system : why is it needed and where are we? 

  Venter, Kyle M.; Angel, R.; Korver, D.R.; Cunha, M.; Plumstead, P.W. (Elsevier, 2025-06)

  The regulation of blood calcium (Ca) and phosphorus (P) levels are closely intertwined, requiring that their metabolically available supply in the diet be carefully balanced. The majority of the P in plant-based feed ...
• Feeding for fertility : how early-life nutrition impacts dairy herds 

  Schultz, Cilé-Mari (Plaas Publishing, 2025-03)

  The Guinness World Record holder cow for lifetime milk production, Smurf from Ontario in Canada, achieved an average daily milk output of 35,4ℓ. Meanwhile, Marília FIV Teatro de Naylo, a cow from Brazil, holds the record ...
• Influence of tannin-rich extract from commercial Acacia mearnsii and gallocatechin on ovine cryopreserved semen viability 

  Liman, Mohammed S.; Hassen, Abubeker; Smuts, Mario P.; Biraima, Ahmed D.A.; Sutovsky, Peter; McGaw, Lyndy Joy; Holm, Dietmar Erik (Taylor and Francis, 2025)

  The objective of this study was to evaluate the effect of a tannin-rich extract from commercial Acacia mearnsii (MTE_0), and gallocatechin, a flavonoid compound derived from Acacia mearnsii, on the long-term viability and ...
• Thermal properties of rhinoceros ovum pick-up probes : possible effects of temperature shock on oocyte maturation potential 

  Vorster, L.; De Bruin, Phillippus Rudolf; Smuts, M.P. (Mario); De la Rey, M.; Herbst, C.; Durrant, B.S.; Holm, Dietmar Erik (Medpharm Publications, 2024-11)

  BACKGROUND: The implementation of assisted reproductive techniques and use of in vitro embryo production has highlighted their potential in attempts to prevent the extinction of the northern white rhinoceros (Ceratotherium ...
• Selection signatures associated with adaptation in South African Drakensberger, Nguni, and Tuli beef breeds 

  Maxman, Gomo; Van Marle-Koster, Este; Lashmar, Simon Frederick; Visser, Carina (Springer, 2025)

  In the present study 1,709 cattle, including 1,118 Drakensberger (DRB), 377 Nguni (NGI), and 214 Tuli (TUL), were genotyped using the GeneSeek® Genomic Profiler™ 150 K bovine SNP panel. A genomic data set of 122,632 ...
• Determination of calcium and phosphorus digestibility of individual feed ingredients as affected by limestone, in the presence and absence of phytase in broilers 

  Venter, Kyle M.; Angel, Roselina; Fourie, Jamie; Plumstead, P.W. (Peter); Li, Wenting; Enting, Henk; Dersjant-Li, Yueming; Jansen van Rensburg, Christine (MDPI, 2024-12-02)

  To begin formulating broiler diets on a digestible calcium (Ca) basis, robust Ca digestibility values for ingredients and factors affecting this digestibility are needed. This study had three main objectives: (1) determine ...
• Low-cost uncrewed aerial vehicles (UAVs) as a novel tool for welfare assessments on open pen commercial crocodile farms 

  Myburgh, Albert; Viljoen, Devon M.; Myburgh, Jan G.; Downs, C.T.; Webb, E.C. (Edward Cottington); Woodborne, S. (Medpharm Publications, 2024-03)

  BACKGROUND : The welfare of crocodiles on commercial farms in southern Africa requires precise assessment, focusing on stocking densities and pen conditions. However, disputes between animal welfare groups and farm owners ...
• The effect of a warmed enema during ovum pick-up on subsequent in vitro oocyte maturation in southern white rhinoceros (Ceratotherium simum simum) 

  Vorster, L.; De Bruin, Phillippus Rudolf; Smuts, M.P. (Mario); Durrant, B.S.; De la Rey, M.; Herbst, C.; Holm, Dietmar Erik (Medpharm Publications, 2024-08)

  BACKGROUND : Rhinoceros are currently one of the most threatened mammal species globally. Slow population growth, increased poaching and habitat destruction have led to increased conservation efforts for each species. ...
• The potential effect of Garlium GEM HCTM as a tick control agent in cattle 

  Hagg, Francois Marius; Erasmus, Lourens Jacobus; Stoltsz, Wilhelm Heinrich (Medpharm Publications, 2024-03)

  As resistance to chemical acaricides increases amongst tick populations, investigations of natural remedies that have acaricidal or tick-repellent effects have become essential in the search for alternatives for sustainable ...
• Copper (Cu) metabolism in domestic herbivores as guide to criteria for predicting the Cu nutritional status of wild ruminants in southern Africa 

  Van Ryssen, J.B.J.; Bath, Gareth (Medpharm Publications, 2024-03)

  In southern Africa game farming has become an effective way of using underutilised resources and a valuable method of preserving and increasing wildlife numbers. However, little is known about the mineral requirements of ...
• Effect of rainfall interception and resting period on the soil seed bank 

  Magandana, Thabo Patrick; Hassen, Abubeker; Tesfamariam, Eyob Habte (Frontiers Media, 2024-07)

  The ecosystems across the world are affected by diverse impacts of climate change. Climate change will also affect soil seed bank as the seed bank is determined by the plants that are above the ground. This study was ...
• Effects of dietary supplementation with Acaciamearnsii tannin extract on carcass characteristics and meat quality of lambs 

  Venter, Megan; Hassen, Abubeker; Pophiwa, Pamela; Webb, E.C. (Edward Cottington) (BMC, 2024-08)

  BACKGROUND: Plant extracts are used as possible methane mitigants and to replace antibiotic feed supplements previously used prophylactically to improve the adaptation of lambs in intensive feeding systems. This study ...
• The impact of myostatin variants on growth traits in South African Bonsmara beef cattle 

  Madula, Rendani Asnath; Visser, Carina; Van Marle-Koster, Este (Springer, 2024-11)

  Double muscling occurs when the myostatin (MSTN) gene is deactivated due to a series of mutations, leading to uncontrolled muscle growth and excessive muscle fiber accumulation, as the gene can no longer effectively ...
• Risk factors underlining reproductive performance in smallholder beef cattle herds of South Africa 

  Nkadimeng, Marble; Van Marle-Koster, Este; Nengovhela, Nkhanedzeni B.; Ramukhithi, Fhulufhelo V.; Mphaphathi, Masindi L.; Rust, Johannes M.; Makgahlela, Mahlako L. (Springer, 2024-11)

  Improving the historically low reproductive performance of beef cattle in smallholder systems is essential for its productivity and profitability. Therefore, identifying and addressing risk factors associated with low ...
• Evaluation of body calcium and phosphorus composition of the Cobb 700 genotype during growth 

  Salisbury, Frances; Gous, R.M.; Cowieson, A.J.; Jansen van Rensburg, Christine; Rochell, Samuel J.; Walters, H. (Taylor and Francis, 2025-02)

  1. The amount of calcium and phosphorus in the empty, feather-free bodies of Cobb 700 breed males and females was measured from hatch to 15 weeks of age.2. A four-phase ad libitum feeding programme was used to feed 400 ...
• The use of management and hormonal oestrous synchronisation on indigenous sheep reared extensively 

  Maqhashu, Ayanda; Ngcobo, Jabulani Nkululeko; O'Neill, Hester Adriana; Sebei, Phokgedi Julius; Ramukhithi, Fhulufhelo Vincent; Mapholi, Olivia; Shingange, Rimbilana N'wa-Nghondzweni; Nephawe, Khathutshelo; Nedambale, Tshimangadzo Lucky (Science Publications, 2024)

  As the global population increases, demand for animal products will result in increased livestock-related greenhouse gas emissions that contribute to climate change. One of the strategies for reducing this impact would be ...
• Editorial : new challenges and future perspectives in nutrition and sustainable diets in Africa 

  Schonfeldt, H.C. (Hettie Carina); Gong, Yun Yun; Essilfie, Gloria L. (Frontiers Media, 2024-03)

  No abstract available.
• The potential of Moringa oleifera as a sustainable broiler feed additive : investigating Awareness, perceptions and use by broiler farmers and moringa farmers in South Africa 

  Lungu, Nobuhle Sharon; Maina, Joyce G.; Dallimer, Martin; Van Marle-Koster, Este (MDPI, 2024-03)

  Moringa oleifera’s high nutritional value and bioactive properties have attracted significant scientific research interest as an additive in broiler feed for sustainable broiler production. The tree’s multifunctional ...
• Is soya sufficient in the NSNP? 

  Muller, Carmen; Pretorius, Beulah; Schonfeldt, H.C. (Hettie Carina) (Plaas Publishing, 2023-06)

  The South African National School Nutrition Programme (NSNP) was introduced in 1994 by the government as part of the Reconstruction and Development Programme to feed primary school children.
• Consumer awareness, utilization, and acceptance of orange-fleshed sweet potato (Ipomoea Batatas (L.) Lam) value-added food products in Elgeyo Marakwet County, Kenya 

  Cheboi, Juliana jepkemoi; Abong, George; Greathead, Henry Michael Rivers; Keyster, Marshall; Nkukwana, Thobela T. (Enviro Research Publishers, 2024-04)

  Sweet potatoe is a crucial crop for food security. promoted in Kenya due to its reported health benefits and resilience to drought. The benefits and application of the sweet potato with orange flesh (OFSP) in Elgeyo Marakwet ...

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