In:
Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 67 ( 2015-1-1)
Abstract:
Three feeding trials were conducted to determine the dietary methionine requirements for Litopenaeus vannamei of three different sizes, small (0.55±0.01g), medium (4.18±0.05g), and large (9.77±0.08g). Seven diets were formulated with seven different levels of methionine (0, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, or 0.6%). The greatest weight gain (WG) and specific growth rate (SGR) of small and large shrimp were observed when dietary methionine levels were 0.8%, and 0.71%, respectively (P 〈 0.05). The highest survival rate of small and large shrimp was observed when dietary methionine levels were 0.97%, and 1.07%, respectively (P 〈 0.05). For small and medium shrimp, the optimal dietary methionine level for maximum weight gain estimated by quadratic regression analysis was 0.91% and 0.67% of dry diet, respectively. For large shrimp, the optimal dietary methionine requirement estimated by broken-line model based on weight gain was 0.66% of dry diet.
Type of Medium:
Online Resource
ISSN:
0792-156X
,
0792-156X
Language:
English
Publisher:
SAABRON PRESS
Publication Date:
2015
detail.hit.zdb_id:
291787-7
detail.hit.zdb_id:
2542938-3
SSG:
21,3
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