Step 1: Understanding the Concept:
Different animals have specific names.
The female of each species has a distinct term.
Step 2: Key Formula or Approach:
No specific formula.
Need to know animal terminology.
Step 3: Detailed Explanation:
A mature female goat is called a doe.
A mature female sheep is called a ewe.
A mature female pig is called a sow.
She-buffalo is a female buffalo.
Thus, a mature female goat is a doe.
Step 4: Final Answer:
A mature female goat is called a doe.
Hence, the correct option is (A).