Actualmente, la población de Odontesthes bonariensis (pejerrey) en el lago Titicaca-Puno, se encuentra en peligro de extinción debido, entre otros factores, a la pesca indiscriminada, la cual ha traído limitaciones para el consumo de proteína de origen animal en la región. El Laboratorio Continental de Puno - Instituto del Mar del Perú, posee entre sus funciones, generar nuevas tecnologías que posibiliten el desarrollo sostenible, regional a partir del programa de seguridad alimentaria denominado ¨Programa de Cultivo de Pejerrey en el lago Titicaca¨. Para ello, se planteó como objetivo obtener de forma experimental alevines bajo manejo reproductivo en condiciones confinadas de campo y laboratorio de Odontesthes bonariensis procedentes de la bahía del lago Titicaca en Puno-Perú. El estudio se desarrolló desde febrero de 2011 hasta febrero 2015. Se realizó una investigación ...

Actualmente, la población de Odontesthes bonariensis (pejerrey) en el lago Titicaca-Puno, se encuentra en peligro de extinción debido, entre otros factores, a la pesca indiscriminada, la cual ha traído limitaciones para el consumo de proteína de origen animal en la región. El Laboratorio Continental de Puno - Instituto del Mar del Perú, posee entre sus funciones, generar nuevas tecnologías que posibiliten el desarrollo sostenible, regional a partir del programade seguridad alimentaria denominado ¨Programa de Cultivo de Pejerrey en el lago Titicaca¨. Para ello, se planteó como objetivo obtener de forma experimental alevines bajo manejo reproductivo en condiciones confinadas de campo y laboratorio de Odontesthes bonariensis procedentes de la bahía del lago Titicaca en Puno-Perú. El estudio se desarrolló desde febrero de 2011 hasta febrero 2015. Se realizó una investigación c...

The pejerrey, is a species introduced to Lake Titicaca from the continental waters of Argentina. The study was carried out at the Titicaca Trout Fishing Company, located in front of the city of Pomata, Puno Region, at an altitude of 3882 msnm. The objective of this study was to evaluate the growth of Odontesthes bonariensis from two batches (A and B) grown in Titicaca, Peru, in floating cages developed in 2018 and 2019. Silverside juveniles of 77.9 mm in length were used. average 120 days old, sowing a total of 8500 individuals (batch A = 5300 and batch B = 3200), from artificial spawning of broodstock confined in floating cages. After 360 days in batch A, a maximum total length of 230.0 ± 2.10 mm was achieved, total weight 80.0 ± 1.73 g, the feed conversion was found at 1.7 ± 1.39. In batch B, a maximum total length of 231.7 mm ± 2.70 was obtained, total weight 83.07 ± 1.67 g and t...

The pejerrey, is a species introduced to Lake Titicaca from the continental waters of Argentina. The study was carried out at the Titicaca Trout Fishing Company, located in front of the city of Pomata, Puno Region, at an altitude of 3882 msnm. The objective of this study was to evaluate the growth of Odontesthes bonariensis from two batches (A and B) grown in Titicaca, Peru, in floating cages developed in 2018 and 2019. Silverside juveniles of 77.9 mm in length were used. average 120 days old, sowing a total of 8500 individuals (batch A = 5300 and batch B = 3200), from artificial spawning of broodstock confined in floating cages. After 360 days in batch A, a maximum total length of 230.0 ± 2.10 mm was achieved, total weight 80.0 ± 1.73 g, the feed conversion was found at 1.7 ± 1.39. In batch B, a maximum total length of 231.7 mm ± 2.70 was obtained, total weight 83.07 ± 1.67 g and t...

The pejerrey, is a species introduced to Lake Titicaca from the continental waters of Argentina. The study was carried out at the Titicaca Trout Fishing Company, located in front of the city of Pomata, Puno Region, at an altitude of 3882 msnm. The objective of this study was to evaluate the growth of Odontesthes bonariensis from two batches (A and B) grown in Titicaca, Peru, in floating cages developed in 2018 and 2019. Silverside juveniles of 77.9 mm in length were used. average 120 days old, sowing a total of 8500 individuals (batch A = 5300 and batch B = 3200), from artificial spawning of broodstock confined in floating cages. After 360 days in batch A, a maximum total length of 230.0 ± 2.10 mm was achieved, total weight 80.0 ± 1.73 g, the feed conversion was found at 1.7 ± 1.39. In batch B, a maximum total length of 231.7 mm ± 2.70 was obtained, total weight 83.07 ± 1.67 g and t...

The test was carried out in the month of March 2021 at the Continental Laboratory of Puno - IMARPE, in order to determine the effect of the use of the microalga Chlorella vulgaris as food at the beginning of the ontogeny of Orestias luteus, a test was carried out with 1600 larvae kept in two 45 L aquariums. One aquarium with Chlorella vulgaris (green water), and the other aquarium without Chlorella vulgaris (clear water). It is reflected that during the first 7 days the larvae fed and maintained with microalgae presented higher survival due to the high nutritional level that the microalgae presents, such as docosahexaenoic acid (DHA), apparently influenced the development of the Orestias Luteos larvae. Likewise, when added directly to the aquariums, the microalgae exerted a positive influence on the physiological state of Orestias luteus larvae, which translates into the obtaining of hig...

Esta sede del Imarpe viene realizando estudios sobre el cultivo de pejerrey Odontesthes bonariensis en condiciones de laboratorio, hasta la obtención de alevinos. El propósito de la investigación es lograr el desarrollo de nuevos sistemas productivos y metodologías de cultivo que contribuyan a la diversificación de la acuicultura de recursos hidrobiológicos de aguas continentales en la región. Con dicho propósito, se ha elaborado una guía para la obtención de alevinos de pejerrey Odontesthes bonariensis en condiciones de laboratorio, el cual es presentado a continuación y se espera que constituya como una herramienta útil para pescadores artesanales, acuicultores, estudiantes y al público en general que desee desarrollar esta actividad.

The pejerrey, is a species introduced to Lake Titicaca from the continental waters of Argentina. The study was carried out at the Titicaca Trout Fishing Company, located in front of the city of Pomata, Puno Region, at an altitude of 3882 msnm. The objective of this study was to evaluate the growth of Odontesthes bonariensis from two batches (A and B) grown in Titicaca, Peru, in floating cages developed in 2018 and 2019. Silverside juveniles of 77.9 mm in length were used. average 120 days old, sowing a total of 8500 individuals (batch A = 5300 and batch B = 3200), from artificial spawning of broodstock confined in floating cages. After 360 days in batch A, a maximum total length of 230.0 ± 2.10 mm was achieved, total weight 80.0 ± 1.73 g, the feed conversion was found at 1.7 ± 1.39. In batch B, a maximum total length of 231.7 mm ± 2.70 was obtained, total weight 83.07 ± 1.67 g and t...

The test was carried out in the month of March 2021 at the Continental Laboratory of Puno - IMARPE, in order to determine the effect of the use of the microalga Chlorella vulgaris as food at the beginning of the ontogeny of Orestias luteus, a test was carried out with 1600 larvae kept in two 45 L aquariums. One aquarium with Chlorella vulgaris (green water), and the other aquarium without Chlorella vulgaris (clear water). It is reflected that during the first 7 days the larvae fed and maintained with microalgae presented higher survival due to the high nutritional level that the microalgae presents, such as docosahexaenoic acid (DHA), apparently influenced the development of the Orestias Luteos larvae. Likewise, when added directly to the aquariums, the microalgae exerted a positive influence on the physiological state of Orestias luteus larvae, which translates into the obtaining of hig...

El ensayo se efectuó en el mes de marzo del 2021 en el Laboratorio Continental de Puno – IMARPE con la finalidad de determinar el efecto del uso de la microalga Chlorella vulgaris como alimento al inicio de la ontogenia de Orestias luteus. El trabajo se realizó con 1600 larvas mantenidas en dos acuarios de 45 L. Acuario con Chlorella vulgaris (agua verde), y sin la Chlorella vulgaris (agua clara). Se reflejan que durante los primeros siete días las larvas alimentadas y mantenidas con microalgas presentaron mayor supervivencia debido a que el alto nivel nutricional que presenta la microalga como el ácido docosahexaenoico (DHA) aparentemente influyó en el desarrollo de las larvas de Orestias luteus. Asimismo, al ser añadidas directamente a los acuarios, las microalgas ejercieron una influencia positiva en el estado fisiológico de larvas, así como de alevinos de Orestias luteus qu...

The hermaphroditism in the nature of the fish, result in some species a strategy of reproductive behaviour but in general, its frequency of apparition result a event biological of character rare, for not always such conduct is associated to the same conditions environmental. The objective of the present research was to describe hermaphroditism in Orestias agassi of Titicaca lake in Puno-Peru as a case report. Since 2009, Laboratory Continental of Puno records as activities the monitoring of fishery, where is evaluated inside of its main indicators the total length, standard length, total weight and bowel weight (gonads, stomach and liver). In May of 2014, corresponding to the zone of Villa Santiago-District of Pomata, Province of Chucuito, in laboratory conditions was made a probabilistic random sampling (92 individuals), to which there was an interval rank of 8,6 to 15,2cm of total le...

The hermaphroditism in the nature of the fish, result in some species a strategy of reproductive behaviour but in general, its frequency of apparition result a event biological of character rare, for not always such conduct is associated to the same conditions environmental. The objective of the present research was to describe hermaphroditism in Orestias agassi of Titicaca lake in Puno-Peru as a case report. Since 2009, Laboratory Continental of Puno records as activities the monitoring of fishery, where is evaluated inside of its main indicators the total length, standard length, total weight and bowel weight (gonads, stomach and liver). In May of 2014, corresponding to the zone of Villa Santiago-District of Pomata, Province of Chucuito, in laboratory conditions was made a probabilistic random sampling (92 individuals), to which there was an interval rank of 8,6 to 15,2cm of total le...

The hermaphroditism in the nature of the fish, result in some species a strategy of reproductive behaviour but in general, its frequency of apparition result a event biological of character rare, for not always such conduct is associated to the same conditions environmental. The objective of the present research was to describe hermaphroditism in Orestias agassi of Titicaca lake in Puno-Peru as a case report. Since 2009, Laboratory Continental of Puno records as activities the monitoring of fishery, where is evaluated inside of its main indicators the total length, standard length, total weight and bowel weight (gonads, stomach and liver). In May of 2014, corresponding to the zone of Villa Santiago-District of Pomata, Province of Chucuito, in laboratory conditions was made a probabilistic random sampling (92 individuals), to which there was an interval rank of 8,6 to 15,2cm of total le...

Este estudio proporciona información sobre reproducción artificial y crecimiento de Orestias luteus en condiciones de laboratorio. La reproducción artificial se realizó en las orillas del Lago Titicaca zona Muelle Barco y las ovas fecundadas se incubaron en el Laboratorio Continental de Puno – IMARPE, en incubadoras tipo Chasse con flujo continuo de agua de 0,5 L/seg a 15 °C de temperatura promedio. Al cabo de 20 días se inició el proceso de eclosión, tuvo duración de tres días, las larvas obtenidas fueron confinadas en acuarios de vidrio de 0,115 m3 . El periodo experimental de crecimiento comprendió 240 días, para ello se utilizó 600 alevinos de carachi amarillo confinados en un acuario de vidrio de 50 x 40 x 40 cm implementado con aireación permanente. Para el mantenimiento del cultivo se proporcionó ad libitum alimento vivo (Chlorella vulgaris, Artemia salina y Daphn...

El manual está fundamentado en la experiencia y resultados obtenidos entre el 2015 y 2018 en el Laboratorio Continental de IMARPE –Puno, Área de Acuicultura. En este manual se detallan los procedimientos para la obtención de alevinos de pejerrey, para lo cual se presentan aspectos como manejo de plantel de reproductores, desove artificial, incubación, obtención de larvas y alevinos y alimentación.

The hermaphroditism in the nature of the fish, result in some species a strategy of reproductive behaviour but in general, its frequency of apparition result a event biological of character rare, for not always such conduct is associated to the same conditions environmental. The objective of the present research was to describe hermaphroditism in Orestias agassi of Titicaca lake in Puno-Peru as a case report. Since 2009, Laboratory Continental of Puno records as activities the monitoring of fishery, where is evaluated inside of its main indicators the total length, standard length, total weight and bowel weight (gonads, stomach and liver). In May of 2014, corresponding to the zone of Villa Santiago-District of Pomata, Province of Chucuito, in laboratory conditions was made a probabilistic random sampling (92 individuals), to which there was an interval rank of 8,6 to 15,2cm of total le...