The primary breed of sheep reared in Tamil Nadu is:

Madras Red
Mandya
Deccani
Nellore

The primary breed of sheep reared in Tamil Nadu is the Madras Red. It is a medium-sized breed with a long, coarse fleece. The sheep are hardy and can withstand hot, dry conditions. They are also good milkers and their meat is considered to be of high quality.

The Mandya breed is a small, black-faced breed that is found in the Mandya district of Karnataka. The sheep are good milkers and their meat is considered to be of high quality.

The Deccani breed is a large, white-faced breed that is found in the Deccan Plateau of India. The sheep are good for meat and wool production.

The Nellore breed is a medium-sized, black-faced breed that is found in the Nellore district of Andhra Pradesh. The sheep are good for meat and wool production.

The Madras Red breed is the most popular breed of sheep in Tamil Nadu. It is a hardy breed that can withstand the hot, dry climate of the state. The sheep are also good milkers and their meat is considered to be of high quality.