J.K. van Niekerk

Oligosaccharide concentrations in colostrum, transition milk, and mature milk of primi- and multiparous Holstein cows during the first week of lactation

A.J. Fischer-Tlustos, K. Hertogs, J.K. van Niekerk et al. · Journal of Dairy Science · 2020 · 69 citations · Full text

Agriculture, Animal Sciences, Dairy Science +17

Invited Review: Nutritional regulation of gut function in dairy calves: From colostrum to weaning

A. Fischer, Clothilde Villot, J.K. van Niekerk et al. · Applied Animal Science · 2019 · 53 citations · Full text

Agriculture, Dairy Science, Nutritional Sciences +16

Preweaning to postweaning rumen papillae structural growth, ruminal fermentation characteristics, and acute-phase proteins in calves

J.K. van Niekerk, M. Middeldorp, Le Luo Guan et al. · Journal of Dairy Science · 2021 · 42 citations · Full text

Agriculture, Animal Sciences, Veterinary Physiology +17

The effect of tube versus bottle feeding colostrum on immunoglobulin G absorption, abomasal emptying, and plasma hormone concentrations in newborn calves

Mariah O Desjardins-Morrissette, J.K. van Niekerk, Deborah M. Haines et al. · Journal of Dairy Science · 2018 · 34 citations · Full text

Agriculture, Animal Sciences, Nutrition +16

Longitudinal assessment revealed the shifts in rumen and colon mucosal-attached microbiota of dairy calves during weaning transition

Wei Guo, J.K. van Niekerk, Mi Zhou et al. · Journal of Dairy Science · 2021 · 29 citations · Full text

Life Sciences, Animal Sciences, Dairy Science +11