Results 21 to 30 of about 2,443 (197)

Early Nutritional Programing: Unlocking the Potential of Fish for Sustainable Aquaculture. [PDF]

open access: yesAquac Nutr
Nutritional programing, which explores the link between early nutritional conditions and their long‐term effects on animals, is a developing field within fish biology. Suboptimal nutritional status during early life is strongly associated with a higher risk of metabolic consequences later in life, including permanent growth retardation, impaired neural
Kumar S   +4 more
europepmc   +2 more sources

Machine learning models accurately predict clades of proteocephalidean tapeworms (Onchoproteocephalidea) based on host and biogeographical data. [PDF]

open access: yesCladistics
Abstract Proteocephalids are a cosmopolitan and diverse group of tapeworms (Cestoda) that have colonized vertebrate hosts in freshwater and terrestrial environments. Despite the ubiquity of the group, key macroevolutionary processes that have driven the group's evolution have yet to be identified.
Vieira Alves P   +7 more
europepmc   +2 more sources

Digestive enzyme activities during pejerrey (Odontesthes bonariensis) ontogeny

open access: yesAquaculture, 2020
info:eu-repo/semantics ...
Pérez-Sirkin, Daniela I.   +7 more
openaire   +3 more sources

Molecular parallelism in the evolution of a master sex‐determining role for the anti‐Mullerian hormone receptor 2 gene (amhr2) in Midas cichlids

open access: yesMolecular Ecology, Volume 32, Issue 6, Page 1398-1410, March 2023., 2023
Abstract The evolution of sex chromosomes and their differentiation from autosomes is a major event during genome evolution that happened many times in several lineages. The repeated evolution and lability of sex‐determination mechanisms in fishes makes this a well‐suited system to test for general patterns in evolution.
Camila L. Nacif   +6 more
wiley   +1 more source

Reproductive sterility in aquaculture: A review of induction methods and an emerging approach with application to Pacific Northwest finfish species

open access: yesReviews in Aquaculture, Volume 15, Issue 1, Page 220-241, January 2023., 2023
Abstract Aquaculture is the fastest‐growing food‐production sector and is striving to become a long‐term sustainable approach to meet the rising global demand for seafood. During the expansion and advancement of aquaculture, minimizing ecological impacts should occur concomitantly with maximizing production. Farmed fish, often genetically distinct from
Lan Xu   +7 more
wiley   +1 more source

Influence of Dietary Phosphorus on the Growth, Feed Utilization, Proximate Composition, Intestinal Enzymes, and Oxidation Resistance of Sea Cucumber Apostichopus japonicus

open access: yesAquaculture Nutrition, Volume 2023, Issue 1, 2023., 2023
Six experimental diets (crude protein 12.58%, crude fat 1.93%, and total energy 10.72 kJ/kg) containing 0.24%, 0.37%, 0.51%, 0.62%, 0.77%, and 0.89% phosphorus were formulated to evaluate dietary phosphorus requirement for sea cucumber Apostichopus japonicus. The feeding trial was conducted in 18 fiberglass tanks (220 L) for 63 days.
Zhidong Song   +6 more
wiley   +1 more source

Adverse Outcome Pathways for Chronic Copper Toxicity to Fish and Amphibians

open access: yesEnvironmental Toxicology and Chemistry, Volume 41, Issue 12, Page 2911-2927, December 2022., 2022
Abstract In the present review, we synthesize information on the mechanisms of chronic copper (Cu) toxicity using an adverse outcome pathway framework and identify three primary pathways for chronic Cu toxicity: disruption of sodium homeostasis, effects on bioenergetics, and oxidative stress.
Kevin V. Brix   +3 more
wiley   +1 more source

Identification of a candidate sex determination gene in Culaea inconstans suggests convergent recruitment of an Amh duplicate in two lineages of stickleback

open access: yesJournal of Evolutionary Biology, Volume 35, Issue 12, Page 1683-1695, December 2022., 2022
Sex chromosomes vary greatly in their age and levels of differentiation across the tree of life, largely due to the rates of sex chromosome turnover in different lineages. Here, we identify a novel, and likely young, turnover in stickleback fishes. Using whole‐genome sequencing we identify AmhY, a male specific duplication of the autosomal gene Amh, as
Daniel L. Jeffries   +2 more
wiley   +1 more source

Motherhood‐induced gene expression in the mouse medial amygdala: Changes induced by pregnancy and lactation but not by pup stimuli

open access: yesThe FASEB Journal, Volume 35, Issue 9, September 2021., 2021
Abstract During lactation, adult female mice display aggressive responses toward male intruders, triggered by male‐derived chemosensory signals. This aggressive behavior is not shown by pup‐sensitized virgin females sharing pup care with dams. The genetic mechanisms underlying the switch from attraction to aggression are unknown.
María Abellán‐Álvaro   +5 more
wiley   +1 more source

El “Pejerrey argentino” Odontesthes bonariensis: recomendaciones para su manejo sostenible en el Perú

open access: yesSouth Sustainability, 2022
El presente trabajo tiene como objetivo generar recomendaciones acerca del estado actual de Odontesthes bonariensis (pejerrey argentino) en el Perú. Considerando aspectos de su biología reproductiva, se sugiere la implementación de una escala de madurez
Lorena Bobbio-Velarde
doaj   +1 more source

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