Results 71 to 80 of about 160,253 (303)

Performance of pacu (Colossoma macropomum) fed varying dietary inclusion levels of fish visceral and duckweed (Lemna minor) as replacement for fish and soybean meals

open access: yesJournal of Agriculture and Rural Development in the Tropics and Subtropics
The performance of Colossoma macropomum subjected to a six-month feeding trial using duckweed (Lemna minor) and fish visceral as partial replacements for soybean meal and fishmeal respectively was evaluated in this study.
Christopher Nnamdi Onwuka   +5 more
doaj   +1 more source

Cultivation of Australian red-clawed crayfish, Cherax quadricarinatus as a new object of aquaculture in industrial conditions of fish farms in Kazakhstan [PDF]

open access: yesCaspian Journal of Environmental Sciences
This study explores the cultivation of Cherax quadricarinatus (Australian red-clawed crayfish) under industrial aquaculture conditions in fish farms across Kazakhstan.
Saya Koishybayeva   +5 more
doaj   +1 more source

Beyond Probiotics: Postbiotics for Healthy Aquaculture

open access: yesAdvanced Science, EarlyView.
This critical review assesses limitations of probiotics and proposes postbiotics, preparations of inanimate microorganisms and their metabolites, as a more stable, controlled, and biosafe formulation. Postbiotics offer significant advantages during industrial aquafeed production and storage. However, their practical implementation is currently hindered
Michael Leonidas Chikindas   +12 more
wiley   +1 more source

La federación de organizaciones juveniles en el Ecuador: 1982 – 1990

open access: yes, 2013
Esta investigación presenta una reconstrucción histórica de la Federación de Organizaciones Juveniles” agrupación de jóvenes que apareció en Quito en 1982 y fue parte de un conjunto de acciones organizativas que respaldaban un proceso de transformación ...
López Álvaro, Valeria Patricia
core   +1 more source

JUVENILES AND ISOLATION MEASURES – ANALYSIS OF CHANGES IN THE LAST DECADE BASED ON THE RESEARCH OF COURT CASE FILES [PDF]

open access: yesProbacja
This article aims to demonstrate how the practice of adjudicating the use of isolation measures to juveniles has changed over the past decade. Our analyses are based on the results of case file research conducted in 2015 and 2025 at the Institute of ...
Karolina Bloch   +1 more
doaj   +1 more source

Chemical induction in mangrove crab megalopae, Ucides cordatus (Ucididae): Do young recruits emit metamorphosis-triggering odours as do conspecific adults?

open access: yes, 2013
In many brachyuran species, including the mangrove crab Ucides cordatus, water-soluble chemicals (odours) emitted by adult residents trigger metamorphosis of megalopae, probably facilitating habitat selection and settlement near conspecific crab ...
Diele, Karen   +2 more
core   +1 more source

Transposable Element Dynamics Drive the Genomic Evolution and Phenotypic Diversification of Allotetraploid Common Carp

open access: yesAdvanced Science, EarlyView.
By integrating 516 whole‐genome resequencing datasets and 236 transcriptomes of allotetraploid common carp, this study establishes the first population‐scale atlas of transposable element (TE) variation in teleost species. TE bursts, relaxed purifying selection, and lineage‐specific loss of ancient insertions shape genome evolution and phenotypic ...
Shuimu Hu   +11 more
wiley   +1 more source

Juvenile growth of white mullet Mugil curema (Teleostei: Mugilidae) in a coastal lagoon southwest of the Gulf of California Crecimiento de juveniles de la lisa blanca Mugil curema (Teleostei: Mugilidae) en una laguna costera del suroeste del golfo de California

open access: yesLatin American Journal of Aquatic Research, 2011
Otolith micro structure was used to determine the age and evaluate the growth of juvenile white mullet (Mugil curema) during their residence in the coastal lagoon El Conchalito, B.C.S., Mexico, from May 1997 to May 1998.
Casimiro Quiñonez-Velázquez   +1 more
doaj  

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