Table 8. Larval rearing protocols for North African catfish Clarias gariepinus
Protocol 1
Day	1	2	3	4	5	6	7	8	9	10	11		12	13	14	15	15/16�30/32
Live feed
Dry feed
Grow-out feed
Notes:
Larvae fed every 2 h throughout 24-h day
Enriched Artemia nauplii provided during 3 or 4 feeds per day
Fish size at d 14: 16�25 mm
From d 15, fish moved to nursery ponds and fed 38�40 percent protein diet.�
Fish size at d 30/32: 50�80 mm
Protocol 2
Day	1		2	3	4	5	6	7	8	9	10	11	12	13	14	15	15/16�30/35
Live feed�
Supplementary feed (Maize bran)
Notes:
Live food = Artemia nauplii ad libitum
Fish size at d 15: 100�300 mg
Mean fish size at d 30: 1 g
Protocol 3
Day	1	2	3		4	5	6	7	8	9	10	11	12	13	14	15	15/16�30/35
Live feed�
Dry feed
Catfish fry pellet/trout pellets
Notes:
Enriched Artemia nauplii (restricted)
Fish size at d 10: 100�150 mg
d 10-�14 fish gradually weaned to dry feed
Fish size at d 30:  1 g
Data sources:�
Protocol 1: Hecht, Uys and Britz (1988)
Protocol 2: Janssen (1985a, 1985b)
Protocol 3: Hogendoorn (1980); Verreth, Storch and Segner (1987); Verreth and van Tongeren (1989);  Verreth et al. (1993)