Results 111 to 120 of about 154 (127)

Use of Potato Starch in Diets of Tropical Gar (Atractosteus tropicus, Gill 1863) Larvae [PDF]

Fishes, 2017
Tropical gar, Atractosteus tropicus, is a carnivorous fish species from Southern México with high value and acceptance in local markets. Therefore, the present study aims to spare proteins in diets for larviculture of this species. An experiment was performed using three different experimental diets with increasing carbohydrate levels based on potato ...
CARLOS Alfonso Álvarez-González, Emyr Saul Pena-Marin, Mario A Galaviz   +2 more
exaly   +2 more sources

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Partial characterization of digestive proteases in tropical gar Atractosteus tropicus juveniles

Fish Physiology and Biochemistry, 2013
Tropical gar (Atractosteus tropicus) is an economically and socially important freshwater species from Southeastern Mexico, with a high aquaculture potential. With this in mind, the purpose of this study was to characterize the digestive proteases of tropical gar juveniles through biochemical and electrophoretic analyses.
R, Guerrero-Zárate, C A, Alvarez-González, M A, Olvera-Novoa, N, Perales-García, C A, Frías-Quintana, R, Martínez-García, W M, Contreras-Sánchez   +6 more
openaire   +2 more sources

Expression of ion transport proteins and routine metabolism in juveniles of tropical gar (Atractosteus tropicus) exposed to ammonia

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 2021
Tropical gar (Atractosteus tropicus) thrives in aquatic habitats with high levels of total nitrogen (TAN) and unionized ammonia (NH3). However, the tolerance of TAN and NH3, the excretion mechanisms involved, and the effects of these chemicals on routine metabolism are still unknown.
Sonia A, Aranda-Morales, Emyr S, Peña-Marín, Luis D, Jiménez-Martínez, Talhia, Martínez-Burguete, Gil, Martínez-Bautista, Carina S, Álvarez-Villagómez, Susana, De la Rosa-García, Susana, Camarillo-Coop, Rafael, Martínez-García, Laura T, Guzmán-Villanueva, Carlos A, Álvarez-González   +10 more
openaire   +2 more sources

The larval attachment organ of the tropical gar Atractosteus tropicus Gill, 1863 (Lepisosteiformes: Lepisosteidae)

Journal of Fish Biology, 2021
AbstractLarval attachment organs (LAOs) are unicellular or multicellular organs that allow larvae to adhere to a substrate before yolk‐sac absorption and the free‐swimming stage. This study documents the LAO of tropical gar, Atractosteus tropicus, using a combination of scanning electron microscopy and light microscopy.
Amanda K. Pinion, Dustin S. Siegel, Ralf Britz, Rafael Martínez‐García, Carlos A. Álvarez‐González, Kevin W. Conway   +5 more
openaire   +2 more sources

Gonadotropin-inhibitory hormone (GnIH) distribution in the brain of the ancient fish Atractosteus tropicus (Holostei, Lepisosteiformes)

General and Comparative Endocrinology, 2020
The Holostei group occupies a critical phylogenetic position as the sister group of the Teleostei. However, little is known about holostean pituitary anatomy or brain distribution of important reproductive neuropeptides, such as the gonadotropin-inhibitory hormone (GnIH).
Beriotto, Agustina Carla, Di Yorio, María Paula, Pérez Sirkin, Daniela Irina, Toledo Solis, Francisco J., Peña Marín, Emyr S., Álvarez González, Carlos A., Tsutsui, Kazuyoshi, Vissio, Paula Gabriela   +7 more
openaire   +3 more sources

Conservation genetics of the tropical gar (Atractosteus tropicus, Lepisosteidae)

Conservation Genetics, 2023
Maura Palacios Mejia, Lenin Arias-Rodriguez, Martha Arciniega, Victoria Rodríguez, José Enrique Barraza Sandoval, Néstor Herrera, Dora Carolina Marroquín Mora, Juan B. Ulloa Rojas, Gabriel Márquez Couturier, Gary Voelker, Michael Tobler   +10 more
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Cultivo de pejelagarto (Atractosteus tropicus)

2020
Maldonaldo, Axel, Cruz, Juan Carlos De La, Gómez, David, López, Leonardo, Fernández, Ana, Peña, Emyr, Alvarez-González, Carlos Alfonso   +6 more
openaire   +1 more source

Mathematical Model to Study the Effect of Refuge on Cannibalism in Atractosteus Tropicus

2023
C.A. Sepúlveda Quiroz, Luis Miguel Valenzuela Gómez, Gamaliel Blé, R. Martínez-García, C.A. Álvarez-González   +4 more
openaire   +1 more source

Estado de arte de la biología y cultivo de pejelagarto (atractosteus tropicus)

Native fresh water fish are an important source of food and protein for human society. A full study of the native aquatic species and the development of technologies that allow the controlled production of these fish in a profitable, innocuous and environment-friendly manner, are some of the big challenges for aquaculture in this millennium. Therefore,
Márquez-Couturier, G., Vázquez-Navarrete, C.J.   +1 more
openaire   +1 more source

Alimentos microencapsulados para el cultivo de larvas de pejelagarto (Atractosteus tropicus)

2018
Abstract Tropical gar is an important species for aquaculture purposes in Southeast Mexico. Several studies regarding nutrition and digestive physiology have been done; however, the use of microcapsules for larvae feeding to improve growth and survival has not been conducted.
Saenz de Rodrigáñez, Miguel, Aguilar-Tellez, Federico Vladymir, Alarcón-López, Francisco Javier, Pedrosa-Islas, Ruth, Peña-Marín, Emyr Saul, Martínez-García, Rafael, Guerrero-Zárate, Rocío, Matamoros, Wilfredo A., Álvarez-González, Carlos Alfonso   +8 more
openaire   +1 more source