Cows on the Planet

Are cows wasting human food or eating food waste?

Episode Summary

Join Dr. Kim Ominski as she discusses types of food wastes, opportunities and challenges for using food wastes as livestock feed, and the overlap between human food and cattle feed.

Episode Notes


Dou, Z., Toth, J. D., & Westendorf, M. L. (2018). Food waste for livestock feeding: Feasibility, safety, and sustainability implications. Global Food Security, 17, 154–161.

Forwood, D. L., Hooker, K., Caro, E., Huo, Y., Holman, D., Chaves, A. V., & Meale, S. J. (2020). Ensiling Unsalable Vegetables with Crop Sorghum to Produce High Quality Feed. Proceedings, 36(1), 113.

Forwood, D. L., Holman, B. W. B., Hopkins, D. L., Smyth, H. E., Hoffman, L. C., Chaves, A. V., & Meale, S. J. (2021). Feeding unsaleable carrots to lambs increased performance and carcass characteristics while maintaining meat quality. Meat Science, 173, 108402.

Mottet, A., de Haan, C., Falcucci, A., Tempio, G., Opio, C., & Gerber, P. (2017). Livestock: On our plates or eating at our table? A new analysis of the feed/food debate. Global Food Security, 14, 1–8.

Ominski, K., McAllister, T., Stanford, K., Mengistu, G., Kebebe, E. G., Omonijo, F., Cordeiro, M., Legesse, G., & Wittenberg, K. (2021). Utilization of by-products and food waste in livestock production systems: A Canadian perspective. Animal Frontiers, 11(2), 55–63.

Shurson, G. C. (2020). “What a Waste”—Can We Improve Sustainability of Food Animal Production Systems by Recycling Food Waste Streams into Animal Feed in an Era of Health, Climate, and Economic Crises? Sustainability, 12(17), 7071.