Taylor, Anna, David Stevens, and Sue McCoard. “Winter Crop Choice and Body Condition Loss Change the Eco-Efficiency of Sheep Flocks”. Journal of New Zealand Grasslands 83 (February 2, 2022): 215–224. Accessed April 12, 2024. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/3503.