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Morphofunctional changes in Leydig cells throughout the continuous spermatogenesis of the freshwater teleost fish, Serrasalmus spilopleura (Characiformes, Characidae): an ultrastructural and enzyme study
(Springer, 2007-08-01)
The freshwater fish Serrasalmus spilopleura (piranha) has a continuous type of reproduction; gametes are constantly produced and released during the reproductive cycle. The testes do not undergo seasonal morphological ...
Oocyte viability and cortical activation under different salt solutions in Prochilodus lineatus (Teleostei: Prochilodontidae)
(2017-12-01)
This study aimed to evaluate the effect of five salt solutions in the maintenance of morphological features of cortical alveolus, hydration and fertilization capacity of Prochilodus lineatus oocytes. For this purpose, five ...
Evaluación de dos diluyentes para la conservación de semen canino bajo condiciones de refrigeración: Efectos del tiempo de refrigeración, grado de dilución y de la concentración de fructosa
(Universidad de los Llanos, 2004-01-01)
RESUMEN: El propósito del presente trabajo fue evaluar la utilización de dos diluyentes para la conservación de semen canino bajo condiciones de refrigeración, estudiando los efec- tos del tiempo de almacenamien- to, el ...
Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
(National Shellfisheries Association, 2004-02)
Seasonal changes in biochemical composition (protein, glycogen and lipid content) of different organs (FV: foot-visceral mass, M: adductor muscles and GMS: gills-mantle-siphons) of the clam Eurhomalea exalbida from Ushuaia ...
Efecto de dos temperaturas de almacenamientos (5 y 20 °C) de epidídimos provenientes de toros de matadero sobre la calidad y congelabilidad de espermatozoides
(2016)
In this research we evaluated the sperm quality post-thawing of sperm of the cauda epididymis of bulls of slaughterhouse subject to two temperatures of storage (5°C and 20°C). 8 pairs of testicles was collected stored ...
Criopreservação de oócitos de Prochilodus lineatus (Valenciennes, 1836) (Teleostei, Prochilodontidae)
(Universidade Estadual Paulista (UNESP), 2015)
Criopreservação de oócitos de Prochilodus lineatus (Valenciennes, 1836) (Teleostei, Prochilodontidae)
(Universidade Estadual Paulista (Unesp), 2015)
Perfil gênico no oviduto bovino de fêmeas Nelore e Aberdeen angus
(Universidade Estadual Paulista (UNESP), 2015)
Perfil gênico no oviduto bovino de fêmeas Nelore e Aberdeen angus
(Universidade Estadual Paulista (Unesp), 2015)