Statistics are useful in many ways; in addition to enhancing one's understanding of a subject, they can provide persuasive evidence for a point of view. You can find statistics on just about any topic, but it helps to first ask yourself some key questions about the data you're seeking:
In other words, It's helpful to consider where you might reasonably expect to find the data - this can save you hours of fruitless searching.
Here is a sample of the statistics available. If what you want is not here, try searching for your animal or agricultural product at the Statistics Canada website.