KANSAS CITY — Something is growing on consumers, and it’s cause for concern as well as innovation among today’s meat and poultry companies. The buzz about plant-based proteins has been building to a crescendo over the past few years and is impacting R.&D. and marketing efforts among all types of traditional processors. Read through some of the trend projections and market research and it’s easy to see how plant-based has moved more to the center of the stage, if not quite to the center of the plate.