| SEA | Severe Equine Asthma |
| MEA | Mild to Moderate Equine Asthma |
| BAL | Bronchoalveolar Lavage |
| BALF | Bronchoalveolar Lavage Fluid |
| tNGS | Targeted Next Generation Sequencing |
| ITS2 | Internal Transcribed Spacer 2 |
| OTU | Operational Taxonomic Unit |
| SEA | Severe Equine Asthma |
| MEA | Mild to Moderate Equine Asthma |
| BAL | Bronchoalveolar Lavage |
| BALF | Bronchoalveolar Lavage Fluid |
| tNGS | Targeted Next Generation Sequencing |
| ITS2 | Internal Transcribed Spacer 2 |
| OTU | Operational Taxonomic Unit |