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The effect of dietary inclusion of whole grain white lupin (Lupinus albus) on growth performance, histology, muscle fatty acid composition and nutrient digestibility was investigated in an 11-week growth and a 4-week digestibility trial with rainbow trout (initial body weight of 54.0 ± 6.2 and 18...


Bórquez Ramírez, AliroSerrano Gutiérrez, EdisonDantagnan Dantagnan, PatricioCarrasco, JaimeHernández Arias, Adrián[Feeding high inclusion of whole grain white lupin (Lupinus albus) to rainbow trout (Oncorhynchus mykiss): Effects on growth, nutrient digestibility, liver and intestine histology and muscle fatty acid composition]Feeding high inclusion of whole grain white lupin (Lupinus albus) to rainbow trout (Oncorhynchus mykiss): Effects on growth, nutrient digestibility, liver and intestine histology and muscle fatty acid composition

Whole lupin seed meal was evaluated as partial replacement for fishmeal in extruded diets for rainbow trout, with particular emphasis on the effect on growth performance and apparent digestibility coefficient (ADC) of protein, lipids, carbohydrates, and energy. Effect on muscle fatty acid composi...


Bórquez Ramírez, AliroHernández Arias, AdriánDantagnan Dantagnan, PatricioSáez Albornoz, PatricioSerrano Gutiérrez, Edison[Incorporation of whole lupin, Lupinus albus, seed meal in commercial extruded diets for Rainbow Trout, Oncorhynchus mykiss: Effect on growth performance, nutrient digestibility, and muscle fatty acid composition]Incorporation of whole lupin, Lupinus albus, seed meal in commercial extruded diets for Rainbow Trout, Oncorhynchus mykiss: Effect on growth performance, nutrient digestibility, and muscle fatty acid composition

Mediante un diseño completamente aleatorizado con tres repeticiones, se determinó la digestibilidad in vivo de nutrientes y energía de los ensilajes de residuos pesqueros en tilapias rojas (Oreochromis mossambicus x O. niloticus). El ensilaje químico se preparo con ácido sulfúrico 98% (20 ml/kg) ...

By means of a design completely randomized with three repetitions, in vivo digestibility of nutrients and energy in fishing waste silages were determined for red tilapia (Oreochromis mossambicus x O. niloticus). Chemical silage prepared with sulphuric acid 98% (20 ml/kg) and formic acid (10 ml/kg...


Llanes, J.Bórquez Ramírez, AliroToledo, J.De la Vega, J.[Apparent digestibility of fishing waste silage in red tilapia (oreochromis mossambicus x o. niloticus)][Digestibilidad aparente de los ensilajes de residuos pesqueros en tilapias rojas (Oreochromis mossambicus x O. niloticus)]Digestibilidad aparente de los ensilajes de residuos pesqueros en tilapias rojas (Oreochromis mossambicus x O. niloticus)

Galaxias maculatus eggs and larvae obtained from broodfish captured either in an estuarine or a freshwater environment, as well as from cultured broodstock were analysed to compare their lipid and fatty acid profiles. Results showed a lower lipid content in embryos and larvae from estuarine popul...


Dantagnan Dantagnan, PatricioBórquez Ramírez, AliroValdebenito Isler, IvánSalgado Leu, ItaloSerrano Gutiérrez, EdisonIzquierdo, M.S.[Lipid and fatty acid composition during embryo and larval development of puye Galaxias maculatus Jenyns, 1842, obtained from estuarine, freshwater and cultured populations]Lipid and fatty acid composition during embryo and larval development of puye Galaxias maculatus Jenyns, 1842, obtained from estuarine, freshwater and cultured populations

En este trabajo se evalúa el efecto de una dieta pelletizada y una extruída en el crecimiento, ganancia en peso, índice de conversión (considerando el peso total, el peso eviscerado y el peso eviscerado sin cabeza) y deposición de lípidos (carcasa, músculo y visceras) de la trucha arcoiris. Los p...

In this paper is evaluated the effect of a pelleted diet and a extruded diet, on the growth rate, weight gain, food conversion (considering the total weight, the eviscerated weight and the without head and viscera weight) and lipids deposition in carcass, muscle and vicera in rainbow trout. Fish ...


Bórquez Ramírez, AliroValdebenito Isler, IvánDantagnan Dantagnan, PatricioBarile Sanhueza, Juan[Productive performance of extruded and pelleted diets in intensive rearing of rainbow trout, Oncorhynchus mykiss.][Rendimientos productivos de dietas extruidas y pelletizadas en cultivo intensivo de Trucha Arcoiris, Oncorhynchus mykiss.]Rendimientos productivos de dietas extruidas y pelletizadas en cultivo intensivo de Trucha Arcoiris, Oncorhynchus mykiss.

Documento presentado en el Taller Internacional: "Acuicultura rural de pequeña escala en América Latina y el Caribe: Enfrentando el nuevo milenio" realizado en Temuco del 9 al 12 de noviembre de 1999.


Dantagnan Dantagnan, PatricioBórquez Ramírez, AliroQuevedo Ruíz, JavierValdebenito Isler, IvánBarile Sanhueza, Juan[Acuicultura rural en la IX región de la Araucanía, Chile]Acuicultura rural en la IX región de la Araucanía, Chile

This study evaluated the effects of sparteine, a lupin alkaloid, on growth and organ histology in rainbow trout. Eight diets with increasing concentrations of sparteine (0, 50, 100, 250, 500, 1000, 2500 and 5000mgkg-1) were fed to triplicate groups of 61-g fish for 62days. Survival was not affect...


Serrano Gutiérrez, EdisonStorebakken, T.Bórquez Ramírez, AliroPenn, M.Shearer, K.Dantagnan Dantagnan, PatricioMydland, L.T.[Histology and growth performance in rainbow trout (Oncorhynchus mykiss) in response to increasing dietary concentration of sparteine, a common alkaloid in lupins]Histology and growth performance in rainbow trout (Oncorhynchus mykiss) in response to increasing dietary concentration of sparteine, a common alkaloid in lupins

Este estudio muestra los antecedentes del cultivo larvario del puye, Galaxias maculatus (Jenyns), un pequeño pez de aguas frías del hemisferio sur. Para el cultivo, larvas recién eclosionadas fueron puestas en estanques de 500 litros de volumen útil. Las larvas fueron alimentadas utilizando una s...

This study reports data on the larval culture of the "puye", Galaxies maculatus (Jenyns), a small cold water fish occurring in the Southern Hemisphere. For this culture, recently enclosed larvae were placed into 500 liter tanks and fed first with rotifers, then with Artemia spp., and finally with...


Dantagnan Dantagnan, PatricioBórquez Ramírez, AliroQuevedo Ruíz, JavierValdebenito Isler, Iván[Puye farming (Galaxias maculatus), in a closed recirculation system][Cultivo larvario del puye (Galaxias maculatus), en un sistema cerrado de recirculación]Cultivo larvario del puye (Galaxias maculatus), en un sistema cerrado de recirculación

The effect of autoclaving on the nutrients’ apparent digestibility coefficient (ADC), digestible protein and energy of pea seed meal (P. sativum) fed to Rainbow trout (O. mykiss) was examined. Two samples of the pea meal were autoclaved at 121ºC and 1.1 atm for 5 min (5’APM) or 15 min (15’APM), r...

Se evalúo el efecto del tratamiento de autoclave de la harina de arveja (P. sativum) sobre los Coeficientes de Digestibilidad Aparente (CDA) de nutrientes, para trucha arco iris (O. mykiss). Dos muestras de harina de arveja fueron autoclavadas a 121 ºC y 1,1 atm por 5 min (5’ APM) y 15 min (15’ A...


Hernández Arias, AdriánBórquez Ramírez, AliroAlcaíno, LeonardoMorales, JorgeDantagnan Dantagnan, PatricioSáez Albornoz, Patricio[Efectos del autoclave sobre el coeficiente de digestibilidad aparente de la harina descascarada de arveja (Pisum sativum) en trucha arco iris (Oncorhynchus mykiss)][Effects of autoclaving on the apparent digestibility coefficient of dehulled pea seed meal (Pisum sativum L.) in rainbow trout (Oncorhynchus mykiss W.)]Effects of autoclaving on the apparent digestibility coefficient of dehulled pea seed meal (Pisum sativum L.) in rainbow trout (Oncorhynchus mykiss W.)

Despite the importance of certain highly unsaturated fatty acids in osmotic regulation, few studies have been addressed to determine the essential fatty acid requirements for a given species cultured under different salinities. As Galaxias maculatus is a diadromic species, the present study aimed...


Dantagnan Dantagnan, PatricioBórquez Ramírez, AliroHernández Arias, AdriánIzquierdo, M.[Effect of EPA/DHA ratios on the growth and survival of Galaxias maculatus (Jenyns, 1842) larvae reared under different salinity regimes]Effect of EPA/DHA ratios on the growth and survival of Galaxias maculatus (Jenyns, 1842) larvae reared under different salinity regimes

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