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The present investigation evaluated the effect in the motility and spermatic rainbow trout (Oncorhynchus mykiss) fertility of a saline solution 0.98% NaCl enriched with 2.5; 5.0; 10.0 and 20.0mM of caffeine, using as control saline solution without caffeine. The use of caffeine at a concentration...

En la presente investigación se evaluó el efecto en la motilidad y fertilidad espermática de trucha arcoiris (Oncorhynchus mykiss) de una solución salina 0,98% de NaCl enriquecida con 2,5; 5,0; 10,0 y 20,0mM de cafeína, utilizando como control una solución salina sin cafeína. Al utilizar cafeína ...


In this research we evaluated simple aspects of the sperm biology of Genypterus blacodes, in particular assessing the effects of pH (6, 7, 8 and 9), temperature (4, 8 and 16 degrees C) and osmolalities 100% sea water (1010 mOsm/kg, Control), 75% sea water (774 mOsm/kg, T-1), 50% sea water (488 mO...


Dumorne, KellyValdebenito, IvánContreras, PabloUlloa Rodríguez, PatricioRisopatrón, JennieFigueroa, ElíasEstévez, Manuel LeeDíaz, RommyFarías, Jorge[Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))]Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))

A poor nutritional state may explain the low fertility rates of domestic camelids from Puna herds. The objective of this study was to determine the relationship between the nutritional state of alpacas before the breeding period and their reproductive success. The body live weight (BLW) and body ...


Norambuena, CeciliaHernández, FranciscaAlfaro, JorgeCárcamo, GustavoClavarría, ÁngelaVelasco, Miriam[Relationship between the nutritional state before the breeding period and the reproductive success in alpacas (Vicugna pacos) from the Chilean Puna]Relationship between the nutritional state before the breeding period and the reproductive success in alpacas (Vicugna pacos) from the Chilean Puna

The knowledge of sperm quality in the broodstock males of different ages is a prerequisite to identify the reproductive ability of cultivated fish for the hatchery management. Thus, in this work, we analysed sperm function of the semen stored of broodstock males of rainbow trout (Oncorhychus myki...


Risopatrón, J.Merino, O.Cheuqueman, C.Figueroa, E.Sánchez, R.Farías, Jorge G.Valdebenito, I.[Effect of the age of broodstock males on sperm function during cold storage in the trout (Oncorhynchus mykiss)]Effect of the age of broodstock males on sperm function during cold storage in the trout (Oncorhynchus mykiss)

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