• Fingerling should be purchased from a reliable hatchery or farm that has never been exposed to infectious diseases.
• Important points in choosing good quality fish include the following:
Produced in hatchery with clear records, good brood-stock sources, and well arrangements.
Size between 10-15 cm/head or weighing between 80-100 grams/head, have the same size or similar, healthy, fresh color, energetic, without wounds or sores on the body, with a beautiful appearance, without lumps or bulges, and without any abnormal parts.