Proteomics is more than a technology for large-scale protein analysis. The first widely accepted use of proteomics was the identification of proteins from a cell, tissue, or body fluid. Nowadays, it may also be considered the optimal platform for biomarker discovery. However, changes in the amount of specific proteins may not always explain the studied condition, since post-translational modifications are critical for a protein's function. Therefore, the use of proteomics to identify the main post-translational protein modifications such as phosphorylation and glycosylation has become very important.

Proteomics is also the last step for the proper interpretation of gene expression differences by validation on the protein level. It is of great value for the functional annotation and determination of the enrichment of a set of proteins that could be altered in specific conditions.

The use of proteomics in veterinary science has exponentially increased in the last decade. On one hand, this increase has been produced by the use of animals to model human conditions. On the other hand, proteomics has been extensively applied in the analysis of animal products to improve protein-based foods. Moreover, the use of proteomics to examine animal health issues is also increasing. However, there is still a low number of studies that use proteomics techniques to understand veterinary diseases. This Special Issue is dedicated to proteomics in veterinary science, to better understand the host response to disease in the different veterinary species.

With the present Special Issue, we would like to provide updated knowledge about the possible proteomics protocols and tools that could be used to understand disease in veterinary science and offer examples about the interpretation of the data obtained

Dr. Ana María Gutiérrez
Guest Editor

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• Proteomics tools
• animal science
• disease condition
• proteomics data
• clinical use