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Effect of Stocking Size on Growth Performance, Biomass, Production, Yield, and Survival of Caridean Shrimp Cage‐Cultured in a Pond System
Author(s) -
PoncePalafox Jesús T.,
LópezUriostegui Fermín,
ArredondoFigueroa José L.,
BenítezMandujano Mario A.,
GarcíaUlloa Gómez Manuel,
EsparzaLeal Héctor M.,
Spanopoulos Hernández Milton
Publication year - 2014
Publication title -
north american journal of aquaculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 41
eISSN - 1548-8454
pISSN - 1522-2055
DOI - 10.1080/15222055.2014.936538
Subject(s) - stocking , shrimp , biology , prawn , biomass (ecology) , zoology , cage , yield (engineering) , fishery , agronomy , mathematics , metallurgy , materials science , combinatorics
We evaluated the effect of stocking size on growth performance, biomass, production, yield, and survival of the caridean shrimp Macrobrachium americanum , a freshwater prawn, cultured in cages held in a pond system. The experiment was conducted using 15 cages of 3 m 3 placed inside an earthen pond of 1,422 m 2 or surface area. Seventy‐five prawns were stocked for 180 d at sizes of 5, 15, 25, 35 and 45 g, and the initial stocking density was adjusted to 1.7 individuals/m 3 for all size groups. Growth performance, biomass, production, yield, and survival were significantly affected by stocking size. The mean final weight fluctuated from 21.3 g for the 5‐g stocking size to 82.1 g for the 45‐g stocking size, whereas prawns initially stocked at 35 g obtained a biomass of 277.8 g and at 45 g obtained a biomass of 246.3 g and a yield >82.0 g/m 3 . The specific growth rate decreased with stocking size from 0.78%/d for the 5‐g group, to 0.33%/d for the 45‐g group. Annual production fluctuated from 28.0 kg/ha for the 5‐g group to 88.7 kg/ha for the 45‐g group, and yield was from 560.0 kg/ha for the 5‐g group to 1,640 kg/ha for the 45‐g group. Survival varied from 80.0% for the 5‐g group to 60.0% for the 45‐g group. The results showed that prawn production in caged‐pond systems cultured at lower stocking sizes during the juvenile‐adult phase is feasible.