In this part two episode of The Poultry Nutrition Blackbelt Podcast, Dr. Juan Espino, an animal nutritionist in Guatemala, continues the conversation, now discussing amino acid density and arginine strategies to support extended lay. He explains how optimizing arginine-to-lysine ratios can improve flock uniformity, egg persistence, immune response, and shell quality through antioxidant nutrition. Learn practical approaches to maintain layer performance and metabolic balance. Listen now on all major platforms!

“Antioxidant nutrition supports the preservation of genetic information involved in shell formation and protects against oxidative damage.”

Meet the guest: Dr. Juan Espino earned his veterinary degree and a Master’s in Animal Production and Nutrition from Universidad de San Carlos de Guatemala. He specializes in monogastric nutrition and serves as Nutrition Manager and New Projects Manager at Cia Agroindustrial Espiga S.A. His work focuses on nutrient optimization, amino acid balance, and practical strategies to improve poultry production efficiency.

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What you'll learn:

• (00:00) Highlight
• (01:13) Introduction
• (02:13) Arginine ratio strategy
• (03:29) Uniformity improvement
• (05:16) Persistence discussion
• (06:43) Immune regulation
• (09:03) Amino acid density
• (10:20) Final Questions

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