Livestock farmers don’t hear this enough, but remember, your work is essential. We need farmers to provide the nutrition our families — and the growing world population — need.

Animal-sourced foods remain vital for global food security, said Dr. Gboal Adesogan, a professor of ruminant nutrition and director of the Global Food Systems Institute at the University of Florida. Adesogan was a featured guest  on a recent “Sound Bites” nutrition podcast, hosted by registered dietitian Melissa Joy Dobbins.

Adesogan, originally from Nigeria, said undernutrition remains a...