Results 31 to 40 of about 477 (150)

Incorporation of Fructooligosaccharides in Diets Influence Growth Performance, Digestive Enzyme Activity, and Expression of Intestinal Barrier Function Genes in Tropical Gar (Atractosteus tropicus) Larvae

open access: yesFishes, 2022
This study was conducted to investigate the effects of dietary fructooligosaccharides (FOS) on the growth, survival rate, digestive enzyms activity, and the expression of intestinal barrier function genes in tropical gar (Atractosteus tropicus) larvae. A
Graciela M. Pérez-Jiménez   +12 more
doaj   +1 more source

Current Advances and Challenges in Fisheries and Aquaculture Science: Feature Papers for the New Journey of Fishes [PDF]

open access: yes, 2022
This addresses current advances and challenges in fisheries and aquaculture science. Exposure of larval fish to elevated temperatures during embryological development may induce craniofacial and morphological alterations, which are suggested possible ...

core   +1 more source

Developmental cardiorespiratory physiology of the air-breathing tropical gar,Atractosteus tropicus [PDF]

open access: yesAmerican Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 2016
The physiological transition to aerial breathing in larval air-breathing fishes is poorly understood. We investigated gill ventilation frequency ( fG), heart rate ( fH), and air breathing frequency ( fAB) as a function of development, activity, hypoxia, and temperature in embryos/larvae from day (D) 2.5 to D30 posthatch of the tropical gar ...
Warren W, Burggren   +6 more
openaire   +2 more sources

High-throughput sequencing of the 16S rRNA gene to analyze the gut microbiome in juvenile and adult tropical gar (Atractosteus tropicus) [PDF]

open access: yes, 2020
Tropical gar (Atractosteus tropicus) is freshwater and estuarine fish, inhabiting the Earth since the Mesozoic era and undergoing limited physiological variation ever since.
Méndez-Pérez, Roberto   +12 more
core   +1 more source

Cross amplification of microsatellite loci developed for Atractosteus spatula in Atractosteus tropicus

open access: yesRevista Mexicana de Biodiversidad, 2013
AbstractDue to recent population declines in tropical gar (Atractosteus tropicus), a greater understanding of its population structure is needed. A key step in gaining this understanding is the development of microsatellite loci for use in this species. For this purpose, 33 microsatellite loci from alligator gar (A.
Bohn, Sandra   +4 more
openaire   +1 more source

Nutritional programming in tropical gar: effect of cornstarch on blood parameters [PDF]

open access: yes, 2021
El pejelagarto es una especie carnívora, en la que se ha demostrado una mejora en el crecimiento durante el larvicultivo al incluir almidón de maíz en su dieta, así como una eficiencia en la ruta de la gluconeogénesis al utilizar hasta 23% de ...
Contreras, Ronald Jesús   +2 more
core   +2 more sources

Inclusion of Mannan-Oligosaccharides in Diets for Tropical Gar Atractosteus tropicus Larvae: Effects on Growth, Digestive Enzymes, and Expression of Intestinal Barrier Genes

open access: yesFishes, 2022
Mannan-oligosaccharides (MOS) are non-digestible carbohydrates, and their use in aquaculture as prebiotics is well documented. The objective of this work was to test whether MOS supplemented in the diet of A.
Claudia I. Maytorena-Verdugo   +5 more
doaj   +1 more source

Cardiorespiratory physiological phenotypic plasticity in developing air-breathing anabantid fishes (Betta splendens and Trichopodus trichopterus) [PDF]

open access: yes, 1990
Articulo CientificoDevelopmental plasticity of cardiorespiratory physiology in response to chronic hypoxia is poorly understood in larval fishes, especially larval airbreathing fishes, which eventually in their development can at least partially “escape ...
MENDEZ SANCHEZ, JOSE FERNANDO   +3 more
core   +4 more sources

Determination of optimal prey for rearing tropical gar Atractosteus tropicus (Lepisosteiformes: Lepisosteidae)

open access: yesRevista de Biología Tropical, 2018
Larval feeding studies of both ornamental and consumable fish species are important for formulating successful management, and culture strategies for conservation purposes. In the present study, we evaluated prey selectivity for the tropical gar Atractosteus tropicus in the larval stage (first 8 weeks) using the zooplankton Artemia fransiscana, Daphnia
Luis Humberto Escalera-Vázquez   +4 more
openaire   +5 more sources

Bioeconomic profitability analysis of tropical gar (Atractosteus tropicus) grow out using two commercial feeds

open access: yesLatin American Journal of Aquatic Research, 2019
Tropical gar ( Atractosteus tropicus ) aquaculture is a potential economic activity in southeast Mexico. This study analyzed the economic profitability of tropical gar grow-out using two commercial feeds (Silver Cup ® and Super ® ). The last one was designed based on the digestive physiology of the species. The experiment was conducted in six concrete
Palma-Cancino, David J.   +6 more
openaire   +5 more sources

Home - About - Disclaimer - Privacy