# Poultria — Free Poultry Science Academy & Farm Calculators

> Poultria is a free, open-access digital academy and decision-support platform for poultry science, avian disease diagnostics, least-cost feed formulation, and farm management.

## Core Knowledge Modules & Tools

- [Avian Biology Lab](https://poultria.com/learn/biology): Avian anatomy, digestive systems, respiration, and egg formation.
- [Poultry Disease Atlas](https://poultria.com/learn/disease-atlas): 29 vet-reviewed disease manuals including Coccidiosis, Newcastle, Marek's, and Avian Influenza.
- [Symptom Diagnostic Checker](https://poultria.com/learn/symptom-checker): Interactive post-mortem lesion profiles and droppings screening.
- [Poultry Farm Calculators](https://poultria.com/calculators): FCR, EPEF, ventilation fan CFM, stocking density, and broiler/layer ROI simulators.
- [Least-Cost Feed Formulation Mixer](https://poultria.com/optimize/feed): Dynamic feed formulation calculator for crude protein, amino acids, and ME energy balance.

## Operational & Veterinary Reference Guides

- [Poultry Science Glossary](https://poultria.com/learn/glossary): Scientific definitions and poultry terminology.
- [Poultry Breed Directory](https://poultria.com/learn/breed-directory): Ross 308, Cobb 500, Lohmann Brown, and ISA Brown standards.
- [Biosecurity Guide](https://poultria.com/learn/biosecurity-guide): Farm isolation checklists and sanitation guidelines.
- [Poultry Vaccination Schedule](https://poultria.com/learn/poultry-vaccination-schedule): Broiler and layer immunization protocols.