Results 11 to 20 of about 267 (169)

Sistemas de criação para o acará-bandeira (Pterophyllum scalare) - DOI: 10.4025/actascianimsci.v30i4.685

open access: yesActa Scientiarum: Animal Sciences, 2009
Este trabalho objetivou comparar o desempenho produtivo de acarás-bandeira criados em aquários e em hapas em viveiros escavados dentro de estufa plástica em monocultivo e policultivo com camarão-da-amazônia, em duas densidades de estocagem (1,6 e 3,2 ...
Felipe de Azevedo Silva Ribeiro   +2 more
doaj   +1 more source

Growth Performance of Sea cucumber Holothuria scabra Juvenile in Different Initial Size of Pond Culture in Lombok, Indonesia [PDF]

open access: yesE3S Web of Conferences, 2020
Sea cucumber Holothuria scabra has high market value and demand, consequently its stock has sharply declined due to overexploitation. Aquaculture of sea cucumbers is a key to conserve and to restore the decreasing population while producing them for ...
Indriana Lisa Fajar, Firdaus Muhammad
doaj   +1 more source

Optimization of Feminization of Oreochromis niloticus L. by Oral Administration of Diethylstilbestrol (DES): The Effects of Stocking Density, Treatment Duration and Environment

open access: yesAsian Fisheries Science, 2000
The effects of the treatment environment (tank and hapa), duration of treatment, and stocking density of fry on the success of feminization protocols were investigated. In the first of two studies, the fry were hormone-treated in concrete tanks (
E.M. VERA CRUZ, G.C. MAIR
doaj   +1 more source

Reproductive performance of female Nile tilapia under different environments and age classes

open access: yesActa Scientiarum: Animal Sciences, 2015
The objective of this work was to verify the reproductive performance of females Nile tilapia in different age classes and reproductive environments. The data set was composed of 451 females evaluated in two different environments in Maringá, PR (hapas ...
Grazyella Massako Yoshida   +4 more
doaj   +1 more source

Nível de arraçoamento para alevinos de lambari-do-rabo-amarelo (Astyanax bimaculatus) Feeding level for yellow tail lambari (Astyanax bimaculatus) fingerlings

open access: yesRevista Brasileira de Zootecnia, 2005
Este trabalho foi realizado com o objetivo de determinar o nível ideal de arraçoamento, em porcentagem do peso vivo, para alevinos de lambari-do-rabo-amarelo (Astyanax bimaculatus).
Fábio Meurer   +4 more
doaj   +1 more source

Performance of two varieties of Nile tilapia farming in hapas and excavated ponds in Brazil

open access: yesSemina: Ciências Agrárias, 2019
The great commercial potential of Nile tilapia is due to features such as its high production performance, its adaptability to different farming systems, and the development of genetic varieties with superior performance. Therefore, the objective of this
Ed Christian Suzuki de Lima   +9 more
doaj   +1 more source

Determining overwintering performance and economic viability of monosex tilapia fingerling production in hapa cum cage aquaculture system for Bangladesh's haor fishers

open access: yesJournal of Fisheries, 2023
Ensuring a consistent supply of uniformly sized fingerlings for tilapia cage aquaculture in Bangladesh's poses a significant challenge. This study assessed overwintering growth performance and economic viability of monosex tilapia fingerling production ...
Shahidul Islam Bhuiya   +3 more
doaj   +1 more source

Effect of 17α-methyl testosterone on sex reversal and growth performance of Nile tilapia,Oreochromis niloticus

open access: yesEast African Journal of Biophysical and Computational Sciences, 2023
The present study aimed at developing all-male Nile tilapia using17α-methyl testosterone(17α-MT) along with its growth and feed utilization performances.
Belete Berhanu   +2 more
doaj   +4 more sources

Genetic Evaluation of GIFT and Existing Strains of Nile Tilapia, Oreochromis niloticus L., Under On-Station and On-Farm Conditions in Bangladesh

open access: yesAsian Fisheries Science, 2000
Comparative production performances of Genetically Improved Farmed Tilapia (GIFT) and existing Nile, Oreochromis niloticus L. strains were assessed in five test environments (nursery systems, cisterns, hapas, net cages, and grow-out ponds) and ...
M.G. HUSSAIN
doaj   +1 more source

Annatto in diets Carassius auratus goldfish fingerlings: growth performance and skin pigmentation

open access: yesSemina: Ciências Agrárias, 2014
This study evaluated the effect of adding annatto as agent pigmentation on the staining characteristics of the skin, muscle and productive performance of Carassius auratus, reared in 0.15 m3 (dimensions 0.50 x 0.50 x 0.65 m) hapas disposed within a ...
Edionei Maico Fries   +5 more
doaj   +1 more source

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