Rural Geography

In addressing the transportation method for milk from farms to factories using pipelines, we look into practices in different countries. The question gives us four options: India, New Zealand, Canada, and Mexico.

Milk transportation by pipelines is an innovative method due to the efficiency and cost-effectiveness it provides. Among the listed countries, it is known that Canada has implemented such a system. The country's advanced agricultural practices and infrastructure have supported this development, making it a unique method globally.

Thus, the correct answer is: Canada