TY - JOUR
T1 - Contributions to the biology of molting and growth of the longarm river prawn Macrobrachium tenellum (Decapoda: Paleamonidae) in Mexico
AU - Yamasaki-Granados, S.
AU - Ruíz-Fregozo, M.
AU - Vega-Villasante, F.
AU - Espinosa-Chaurand, L. D.
AU - Cortés-Jacinto, E.
AU - García-Guerrero, M.
PY - 2012
Y1 - 2012
N2 - Studies on the molting cycle of Macrobrachium tenellum are not available, which limits the scope of studies of growth and reproduction. The duration of the molt cycle was determined under controlled experimental conditions. The prawns were divided into four groups according to weight: Group 1 (1.0-1.9 g), Group 2 (2.0-2.9 g), Group 3 (3.0-3.9 g), and Group 4 (4.0-9.0 g). The increase in total weight was higher in groups 2 (23.4%) and 3 (20.3%) than in group 1 (~18%) and 4 (~18%). The increase in size after molting among all groups was statistically different: in group 1 it increased 6.1% (highest) and in group 2 it increased 2.2% (lowest). The duration of a complete cycle was 8.9, 9.4, 10.4, and 15.1 days for groups 1, 2, 3, and 4, respectively. The lengths of the molting cycles were not significantly different between groups 1 and 2, but group 4 was different from group 1.
AB - Studies on the molting cycle of Macrobrachium tenellum are not available, which limits the scope of studies of growth and reproduction. The duration of the molt cycle was determined under controlled experimental conditions. The prawns were divided into four groups according to weight: Group 1 (1.0-1.9 g), Group 2 (2.0-2.9 g), Group 3 (3.0-3.9 g), and Group 4 (4.0-9.0 g). The increase in total weight was higher in groups 2 (23.4%) and 3 (20.3%) than in group 1 (~18%) and 4 (~18%). The increase in size after molting among all groups was statistically different: in group 1 it increased 6.1% (highest) and in group 2 it increased 2.2% (lowest). The duration of a complete cycle was 8.9, 9.4, 10.4, and 15.1 days for groups 1, 2, 3, and 4, respectively. The lengths of the molting cycles were not significantly different between groups 1 and 2, but group 4 was different from group 1.
KW - Development
KW - Ecdysis
KW - Exoskeleton
KW - Growth
KW - Macrobrachium tenellum
KW - Mexico
KW - Molting cycle
KW - Prawn
UR - http://www.scopus.com/inward/record.url?scp=84862256443&partnerID=8YFLogxK
U2 - 10.2298/ABS1202651G
DO - 10.2298/ABS1202651G
M3 - Artículo
SN - 0354-4664
VL - 64
SP - 651
EP - 658
JO - Archives of Biological Sciences
JF - Archives of Biological Sciences
IS - 2
ER -