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The article focuses on a study that investigates the effects of human-dog interaction in order to study its impact on dog behaviour and salivary cortisol levels. For the study 19 long-term sheltered dogs of both sexes recruited at the Public Animal Shelter of Turin were divided into two behaviorally homogeneous groups. The results from the study indicated that some environmental changes have a positive effect upon the behaviour and the welfare of sheltered dogs.

The article presents a study that aims to measure the concentration of lymphocyte muscarinic receptors (MR), platelet α2-adrenergic receptors and blood monoamine levels in ageing dogs. The study used 27 healthy dogs of both sexes divided into two groups: adults and old dogs. Blood samples were collected and the plasma catecholamines and serum serotonin was measured. The results suggest that both MR and serotonin levels represent appropriate marker of ageing in dogs.

The article focuses on a study that analyzes the mechanism of action of aliamides in dogs and cats. In this study the aliamide parent molecule palmitoylethanolamide, and its topically-active congener adelmidrol, was tested on cutaneous mast cells of dogs and cats. Densitometric analysis performed on skin biopsies of allergic cats and canine skin wounds showed an increase in the staining intensity of cutaneous mast cells suggesting that aliamides are effective in decreasing degranulation.