| AMPs | antimicrobial peptides |
| ATCC | American Type Culture Collection |
| BALB | Bagg Albino Mouse |
| BAVS | Bacterial and Archaeal Viruses Subcommittee |
| CD | cluster of differentiation |
| CFU | colony-forming unit |
| EFSA | European Food Safety Authority |
| EHEC | Enterohaemorrhagic Escherichia coli |
| ETEC | Enterotoxigenic Escherichia coli |
| EFSA | European Food Safety Authority |
| EIBMV | Eliava Institute of Bacteriophages, Microbiology, and Virology |
| HF | Holstein–Friesian |
| HIIET | Hirszfeld Institute of Immunology and Experimental Therapy |
| HGT | horizontal gene transfer |
| Hp | haptoglobin |
| ICR | Institute of Cancer Research |
| ICTV | International Committee on Taxonomy of Viruses |
| IFNγ | Interferon gamma |
| Ig | immunoglobulin |
| i.p | intraperitoneally |
| i.n | intranasal |
| INSDC | International Nucleotide Sequence Database Collaboration |
| IL | interleukin |
| LAB | lactic acid bacteria |
| LPS | lipopolysaccharide |
| MAC-T | mammary alveolar cells |
| MDR | multidrug-resistant |
| MHC | major histocompatibility complex |
| MOI | multiplicity of infection |
| NF-κB | nuclear factor kappa-light-chain-enhancer of activated B cells |
| NK | Natural killer |
| PFU | plaque-forming units |
| PMN | polymorphonuclear |
| RBPs | receptor-binding proteins |
| ROS | reactive oxygen species |
| mRNA | messenger RNA |
| SAA | serum amyloid A |
| ssRNA | single-stranded ribonucleic acid |
| dsRNA | double-stranded ribonucleic acid |
| ssDNA | single-stranded deoxyribonucleic acid |
| dsDNA | double-stranded deoxyribonucleic acid |
| SPF | specific free pathogens |
| stx | Shiga toxin |
| TEM | transmission electron microscopy |
| TNF-α | tumour necrosis factor α |
| UV | ultraviolet |
| WHO | World Health Organization |