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Please use this identifier to cite or link to this item:
http://hdl.handle.net/1834/2618
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| Title: | Substitution of fishmeal with soybean meal in practicaldiets for juvenile white shrimp Litopenaeus schmitti (Pérez-Farfante & Kensley 1997) |
| Authors: | Alvarez, J.S.
Hernandez-Llamas, A.
Galindo, J.
Fraga, I.
Garcia, T.
Villareal, H. |
| ASFA Terms: | Shrimp culture
Nutrition |
| Issue Date: | 2007 |
| Publisher: | Centro de Investigaciones Biolo¤ gicas del Noroeste (CIBNOR) Mar Bermejo195, Col. Playa Palo Santa Rita, México |
| Citation: | Aquaculture research, 38. p. 689-695 |
| Abstract: | The feasibility of substituting soybean meal for ¢shmeal
diets for juvenile white shrimp Litopenaeus
schmitti (0.35 0.01g) was evaluated, and an adequate
substitution level was determined. Five diets
were evaluated using 46%, 59%, 75%, 88% and
100% substitution levels. Pellet water stability was
signi¢cantly a¡ected by dietary soybean content
(Po0.05). Increased soybean content produced lower
pellet stability, ranging from a dry matter loss of 14^
22% after a 2-h immersion, and 20^33% after an 8-h
immersion. After 52 days, signi¢cant di¡erences
(Po0.05) were found in shrimp weight, feed conversion
ratio and protein e⁄ciency ratio. The values
were 0.64^1.06 g, 2.8^7.9 and 0.45^1.21, respectively,
for the three measurements. Overall, better results
were obtained with diets where soybean meal was
substituted for ¢shmeal up to 75%. The 100% soybean
meal diet resulted in poor growth performance
of shrimp. Survival rates were acceptable for all treatments
(90% or higher) and no signi¢cant di¡erences
were found in survival between treatments. Regression
analysis using the broken-line methodology indicated
that 76.5 2% is an optimum soybean
substitution level in diets that contained ¢shmeal
and soybean as the major protein sources for growout
of juvenile white shrimp. |
| URI: | http://hdl.handle.net/1834/2618 |
| Appears in Collections: | 4. Separatas (CIP)
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