Small-scale chicken production - Part 5

Chia sẻ: Tra Sua Nguyen | Ngày: | Loại File: PDF | Số trang:4

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Small-scale chicken production - Part 5

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9 Improving local chickens Local chickens are not usually pure-bred animals, but the product of years of crossbreeding. Due to a long adaptation process, they are more resistant to high temperatures and probably also better adapted to more difficult circumstances. However, chickens in the tropics have a low body weight, which is why they lay small eggs.

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