| Table 12. Suggested feed quality norms for Fenneropenaeus indicus. | |||||
| Feed class | Larval(Z-M) | Post- larvae | Starter | Grower | Finisher |
| Crude protein % (good) | 45�52 (47) | 40�50 (45) | 38�42 (40)1 | 35�42 (38) | 32�40 (36) |
| Non�protein nitrogen � | <0.2 | <0.2 | <0.2 | <0.2 | |
| Crude lipid % (good) | 6�12 (7.5) | 6�10 (7.5) | 5.7�8 (6.7) | 5.7�8 (6.3) | 5.5�8 (6) |
| Crude fibre % | <3 | <3 | <4 | <4 | <5 |
| Moisture % | <11 | <11 | <12 | <12 | <12 |
| Carbohydrate (%) | 10�15 | 10�15 | 10�15 | 15�25 | 20�30 |
| Energy (Kcal/100 g of feed) | 340�400 | 340�400 | 320�400 | 320�400 | 300�400 |
| Ash | <14 | <14 | <14 | <16 | <16 |
| Phosphorus | 1�1.5 | 1�1.5 | 1�1.5 | 1�1.5 | |
| Calcium | = 0.5 x P | = 0.5 x P | = 0.5 x P | = 0.5 x P | |
| Potassium Min | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 |
| Essential fatty acid | |||||
| Linoleic acid + Linolenic acid | 0.7 | 0.5 | 0.5 | 0.5 | 0.5 |
| Eicosapentaenoic acid (EPA) + Docosahexaenoic acid (DHA) | 1 | >0.8 | >0.6 | >0.5 | >0.5 |
| Phospholipids (lecithin) | 1 | 1 | 1 | 0.4 | 0.4 |
| Cholesterol Min2 | 0.5 | 0.4�0.5 | 0.35�0.4 | 0.3 | 0.25 |
| Astaxanthin (ppm) | 200 | � | � | 50�200 | |
| Essential amino acid | |||||
| Arginine | 2.6 | 2.6 | 2.5�3.1 | 2.5�3.1 | 2.5�3.1 |
| Isoleucine | 1.4�1.96 | 1.4�1.96 | 1.4�1.96 | ||
| Methionine | 1.1 | 1.1 | 0.84�1.05 | 0.84�1.05 | 0.84�1.05 |
| Methionine + Cystine | 1.6 | 1.6 | >1.4 | >1.4 | >1.3 |
| Phenylalanine + Tyrosine | >1.9 | >1.9 | >1.9 | ||
| Phenylalanine | 1.50�1.90 | 1.50�1.90 | 1.50�1.90 | ||
| Tryptophan | 0.4�0.55 | 0.4�0.55 | 0.4�0.55 | ||
| Histidine | 0.84�1.52 | 0.84�1.52 | 0.84�1.52 | ||
| Lysine | 2.4 | 2.4 | 2.1�3.0 | 2.0�3.0 | 2.0�3.0 |
| Threonine | 1.6 | 1.6 | 1.44�1.7 | 1.44�1.7 | 1.3�1.7 |
| Valine | 2.0�2.78 | 2.0�2.78 | 2.0�2.78 | ||
| Leucine | 2.9�3.3 | 2.9�3.3 | 2.9�3.3 | ||
| Feed class | Starter | Grower | Finisher | ||
| Target shrimp size (g) | <0.5 | 0.5�5 � | 5�20 � | >20 � | |
| Feed type | Powders | Crumble, short�cut pellets | Pellet | Pellet | |
| Feed size (mm) | various micron | 1.8�2.0D x 0.5�3L | 1.8�2.3D x 3-5L | 1.8�2.3D x 4-7L | |
| Typical market prices US$ | $10 | 978�1 067 | 911�956 | 844�911 | |
| Pathogenic bacterium (Salmonella) | Not permitted | ||||
| Aspergillus | Not permitted | ||||
| Aflatoxin | <10 ppb | ||||
| Source: Akiyama, Dominy and Lawrence (1991); Ahamad Ali (1999, 2001); CIBA (2000, 2003b) (http://www.ciba.tn.nic.in/); Conklin (2003); FAO (2007b); Glencross & Smith, (1999); Gonz�lez-F�lixa et al. (2004); Perez-Velazquez, Gonz�lez-F�lix and Lawrence (2004); Lovell (1989);Table 2, Table 4; Penaflorida (1999); unpublished data. | |||||
| 1Assuming a good level of natural production contributing to the diet, the protein level of the starter can be lower | |||||
| 2Cholesterol in raw materials should be accounted for and may supply all cholesterol needs (0.25%) for grower pellets (W.G. Dominy, 1999. Oceanic Institute, Hawaii, USA, personal communication). | |||||