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Production of Excirolana armata (Dana, 1853) (Isopoda, Cirolanidae) on an exposed sandy beach in southeastern Brazil
(SPRINGERNEW YORK, 2012)
The somatic and gonad productions of the cirolanid isopod Excirolana armata were analyzed by taking monthly samples from December 2003 to November 2005 on Una beach, So Paulo state (24A degrees S), southeastern Brazil. ...
Gonadal development in male and female domesticated whiteleg shrimp Litopenaeus vannamei in relation to age, weight and grow-out conditions
(Aquaculture, 2010)
Cultivation of whiteleg shrimp (Litopenaeus vannamei) is now entirely based on closed life-cycle populations, yet few studies have analyzed gonadal development in domesticated shrimp during grow-out in ponds. To determine ...
Effect of photoperiod on locomotor activity, growth, feed efficiency and gonadal development of Nile tilapia
(Sociedade Brasileira de Zootecnia, 2020)
Ploidy influences on metabolic substrate deposition of rainbow trout
(Editora da Universidade Estadual de Maringá - EDUEM, 2019-10-24)
Triploid fish are usually sterile. Thus, the energy and nutrients intended for sexual maturation may be available to enhance flesh quality and physical growth. The present study aimed to investigate differences in the ...
Condition analysis of the Brazilian sharpnose shark Rhizoprionodon lalandii: evidence of maternal investment for initial post-natal life
(2018-12-01)
The present study analysed the condition factor (K) and the hepato-somatic index (I H ) of the Brazilian sharpnose shark Rhizoprionodon lalandii during its entire life cycle. Discontinuity of liver growth was observed after ...
Invasive non-native species of fish in Upper Paraná river Basin, Brazil: variations of caloric content in Cichla kelberi
(Sociedade Brasileira de Ictiologia, 2012-04)
The allocation of assimilated energy may be influenced by seasonal changes, growth, and reproductive cycle of fish, food consumption and environmental conditions. The objective of this research was to evaluate the energetic ...