You included no options so the answer will be a bit general.
The Latin suffix <em>-ity</em> is used to describe the degree of the presence of the condition in the word that it is added to. For instance, the word <em>profitable </em>means the condition of making a gain from something. When the suffix <em>-ity</em> is added to it to make it <em>profitability</em>, the meaning changes to the amount of profit or gain that can be made from something.
In this case therefore, if <em>sagacious</em> means wise, <em>sagacity</em> would refer to the amount of wisdom possessed by the subject in question.
Zoo animals are usually not the type that can be found everywhere, so working with these animals can help the veterinarians to get to know better how to treat and help the not domesticated animals. Also, this knowledge could highly contribute to the general understanding that veterinarians have of certain types of animals found in zoos.
