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Effect of multiple spawning on female reproductive output and offspring quality in a freshwater caridean shrimp with direct development
(Wiley Blackwell Publishing, Inc, 2018-03)
The decline with age in components of fitness is variable among different taxa and includes changes in fertility and brood quality. In this study, we selected individuals of Neocaridina davidi, a freshwater shrimp with ...
Astyanax altiparanae Ovarian maturation after spawning in water recycling systems*Maturação ovariana de astyanax altiparanae após desova em sistema de recirculação de água
(2018-01-01)
In this study, we evaluated the possibility of obtaining successive Astyanax altiparanae spawns under laboratory conditions. In order to do so, 104 specimens were randomly distributed into four boxes (10 females and 16 ...
Genetic parameters in female reproductive traits of Nile tilapia (Oreochromis niloticus)
(2017-01-01)
Genetic parameters for reproductive traits in female Nile tilapia were estimated in this study using Bayesian inference method. The data set presented information from 451 Nile tilapia females that were evaluated at two ...
Mate Selection and reproductive success in the Amazonian angelfish, Pterophyllum scalare (Osteichthyes: Cichlidae)
(2014-01-01)
Mate selection and mating success in the Amazonian angelfish, Pterophyllum scalare were experimentally investigated in the laboratory. This species has a breeding system where male body size and substrate type could be ...
PGF2α and gonadal steroid plasma levels of successful and unsuccessful spawning Piaractus mesopotamicus (Teleostei, Characiformes) females
(2018-08-01)
Gonadal steroid and prostaglandin F2α (PGF2α) plasma levels were evaluated in successfully (SP) and unsuccessfully ovulated (UN) female Piaractus mesopotamicus. Forty-one females were injected with crude carp pituitary ...
Reproductive cycle of the swimming crab Portunus spinimanus Latreille (Crustacea, Decapoda, Brachyura) from Ubatuba, São Paulo, Brazil
(Sociedade Brasileira de Zoologia, 1999-01-01)
This study analyses some reproductive aspects of Portunus spinimanus Latreille, 1819, a crab usually commercialized in Ubatuba region. Monthly otter-trawl collections were taken for two years along the northern coast of ...
The importance of thermoperiod for proper gametogenesis and successful egg and sperm production in meagre (Argyrosomus regius) breeders in aquaculture
(Natl Centre Marine Research, 2021-01-01)
We examined the effect of constant water temperature throughout the year on gametogenesis, spawning success and egg/sperm/embryo quality in meagre (Argyrosomus regius). Two broodstocks were exposed to simulated natural ...
Female Growth and Offspring Quality over Successive Spawnings in a Caridean Shrimp Neocaridina davidi (Decapoda, Atyidae) with Direct Development
(Marine Biological Laboratory, 2015-12)
This study analyzed the quality of recently spawned eggs and of juveniles over five and six consecutive spawns, respectively, in a caridean shrimp Neocaridina davidi with direct development. The potential energetic antagonism ...
"Effect of Carp Pituitary Extract and LHRH on Reproductive Indices and Spawning of 3 year-old Channel Catfish"
(American Fisheries Society, 2013)