Chapter: It is permissible to lend animals and it is recommended to pay in full, giving something better than that which ts owed
Abu Huraira (Allah be pleased with him) reported: There came a person demanding a camel from Allah's Messenger ( صلی اللہ علیہ وسلم ). He (the Holy Prophet) said: Give him (the camel) of that age or of more mature age, and said: Best among you is one who is best in clearing off the debt.
Authentic