Alfalfa-based Cavy Performance – Young Guinea Pig Food is specially designed to provide high fiber, protein, calcium and energy required for young guinea pigs to thrive. The optimized, balanced protein and stabilized vitamins also help nurture pregnant and lactating animals. Serve Cavy Performance – Young Guinea Pig Food with Oxbow grass hays and treats for complete nutrition. Sizes: 5 lb, 10 lb, 50 lb.