Multidimensional composite pain scales are used to carry out an objective pain evaluation of the animal and allow the intensity of the pain to be quantified: generally, the higher the score, the ...

The animal’s well-being in relation to each factor is rated on a scale of 0–10, with 10 being ideal. Under “hurt,” for example, a zero score would indicate the most extreme pain, while a score of 10 ...

Can fish feel pain? The debate rages among scientists as to whether fish do, in fact, feel pain or are just reacting ...