{"id":117031,"date":"2018-03-11T10:46:22","date_gmt":"2018-03-11T10:46:22","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-la-macroalga-proliferante-grateloupia-turuturu-en-la-cria-en-cautividad-de-la-oreja-de-mar-europea-haliotis-tuberculata\/"},"modified":"2018-03-11T10:46:22","modified_gmt":"2018-03-11T10:46:22","slug":"valoracion-de-la-macroalga-proliferante-grateloupia-turuturu-en-la-cria-en-cautividad-de-la-oreja-de-mar-europea-haliotis-tuberculata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/valoracion-de-la-macroalga-proliferante-grateloupia-turuturu-en-la-cria-en-cautividad-de-la-oreja-de-mar-europea-haliotis-tuberculata\/","title":{"rendered":"Valoracion de la  macroalga proliferante grateloupia turuturu en la cr\u00eda en cautividad de la oreja de mar europea haliotis tuberculata."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Nuria Garcia Bueno <\/strong><\/h2>\n<p>Valorizaci\u00f3n de la macroalga proliferante grateloupia turuturu en la cr\u00eda en cautividad de la oreja de mar europea haliotis tuberculata la oreja de mar haliotis tuberculata, cuya cr\u00eda en cautividad se encuentra muy poco desarrollada en europa, resulta ser una especie potencial para la diversificaci\u00f3n de la acuicultura de moluscos. Sin embargo, existen dos principales factores que limitan su producci\u00f3n. En primer lugar, el abastecimiento en alimento de calidad constituye un gasto significativo para las empresas. Adem\u00e1s, en los \u00faltimos a\u00f1os, tanto las poblaciones naturales como las de cr\u00eda han soportado altas tasas de mortalidad debidas a la presencia del pat\u00f3geno vibrio harveyi.  el primer objetivo de esta tesis es la valorizaci\u00f3n de la macroalga g. Turuturu como alimento para la oreja de mar. Por su car\u00e1cter proliferativo, el alga roja grateloupia turuturu, presente en la costa atl\u00e1ntica, constituye una importante fuente de biomasa disponible. Efectivamente, la composici\u00f3n bioqu\u00edmica de grateloupia turuturu resulta interesante para el crecimiento de la oreja de mar, la cual muestra una clara preferencia por las algas rojas.  en el presente estudio, las macroalgas rojas grateloupia turuturu y palmaria palmata han sido probadas durante cinco meses como alimento para la oreja de mar europea haliotis tuberculata tuberculata. Lo individuos fueron alimentados ad libitum mediante tres dietas diferentes: 1) palmaria palmata, 2) grateloupia turuturu y 3) dieta mixta de palmaria palmata y grateloupia turuturu (1:1). El inter\u00e9s nutricional fue evaluado mensualmente siguiendo para cada lote la mortalidad y el crecimiento de los individuos mediante medidas biom\u00e9tricas (longitud, anchura, peso). No se observ\u00f3 mortalidad durante el tiempo del experimento en cualquiera de los tratamientos.  La composici\u00f3n bioqu\u00edmica (prote\u00ednas, gl\u00facidos, l\u00edpidos y cenizas) del producto final (el molusco tras finalizar el ensayo), as\u00ed como el de las algas utilizadas como alimento, ha sido analizada. El consumo de algas por parte de los diferentes lotes de orejas de mar se estim\u00f3 cada vez que distribu\u00eda nuevo alimento. El crecimiento en longitud y peso fue mayor para los abulones alimentados con p. Palmata y la dieta mixta. Los abulones exhibieron una preferencia por p. Palmata y mostraron la mayor ganancia de peso con este macroalga (107,8 \u00c2\u00b1 7,2%). Se ha comprobado que g. Turuturu no puede ser utilizada en fresco como alimento monoespec\u00edfico para h. Tuberculata tuberculata. Este hecho est\u00e1 relacionado con la r\u00e1pida degradaci\u00f3n de los tallos del alga en las condiciones de un criadero. No obstante, esta alga podr\u00eda constituir un complemento alimenticio interesante para el gaster\u00f3podo. De hecho, cuando g. Turuturu es suministrada en dieta mixta, los moluscos presentan un contenido mayor en l\u00edpidos que cuando son alimentados en dieta monoespec\u00edfica con palmaria palmata. otro objetivo de esta tesis consisti\u00f3 en estudiar los efectos de los extractos solubles, polares y apolares de la macroalga nativa palmaria palmata y de la macroalga proliferante grateloupia turuturu. Este estudio ten\u00eda como objeto hallar metabolitos potencialmente bioactivos sobre el crecimiento de v. Harveyi. Estos an\u00e1lisis se llevaron a cabo mediante t\u00e9cnicas con microplacas (bioscreen) y, en paralelo, an\u00e1lisis con rmn fueron efectuados con el fin de identificar eventuales diferencias en la composici\u00f3n de los extractos. Nuestros resultados preliminares, con un porcentaje de inhibici\u00f3n de 16%,  son prometedores y muestran que g. Turuturu posee un potencial antibacteriano que podr\u00eda ser utilizado en aplicaciones futuras en acuicultura.  as\u00ed, g. Turuturu podr\u00eda aplicarse a criaderos de oreja de mar en forma de extracto en el tratamiento del agua, en forma de alimento artificial o en co-cultivo formando parte de un sistema integrado junto con haliotis tuberculata, gracias a sus propiedades antibacterianas contra vibrio harveyi. Ser\u00eda interesante tambi\u00e9n profundizar en la caracterizaci\u00f3n del\/los metabolito\/s responsable\/s de esta actividad antibacteriana y una vez identificado\/s, purificado\/s con el objeto de caracterizar su naturaleza qu\u00edmica y poder eventualmente mejorar su nivel de actividad antibi\u00f3tica.   valorization of the proliferating macroalgae grateloupia turuturu in the farming of the european abalone haliotis tuberculata abalone haliotis tuberculata, which farm production is not well developed in europe, seems a potential candidate for the diversification of shellfish aquaculture. However, its production faces two main limitations. First, the supply of livestocks in quality food are a major expense for enterprises. Second, in recent years, natural populations as well as livestocks have suffered high mortalities related to the pathogenic bacterium vibrio harveyi.  the first objective of this thesis is the valuation of the macroalgae g. Turuturu as feed for abalone. Because of its proliferative nature, red seaweed grateloupia turuturu, present on the atlantic coast, constitute represent an available biomass that could be valorized in abalone aquaculture. Indeed, grateloupia turuturu presents a biochemical composition that could be of interest for abalone&apos;s growth. This species shows a clear preference for red seaweeds. The suitability of two red algae species, grateloupia turuturu and palmaria palmata, as feed for the culture of the european abalone h. Tuberculata, was evaluated over a 5-month period. Three experimental diets were tested: 1) palmaria palmata, 2) grateloupia turuturu and 3) a mixed diet of palmaria palmata and grateloupia turuturu (1:1). Biochemical composition (proteins, carbohydrates, lipids, ashes) of algae was measured. No mortality was observed during the time of the experiment in any of the treatments. Biochemical composition (proteins, carbohydrates, lipids and ash) from abalone (at the end of the experiment) and the algae used for food has been analyzed. Seaweed consumption by of abalone was estimated whenever new food distributed. Growth in length and weight was highest for abalones fed with p. Palmata and the mixed diet. Abalones exhibited a preference for p. Palmata and showed the highest weight gain with this macroalgae (107.8 \u00c2\u00b1 7.2%). G. Turuturu was fast in desintegrating in abalone rearing conditions and was not suitable for good growth of h. Tuberculata in a monospecific diet. However, this could be an interesting alga food supplement for the gastropod. In fact, when it is provided in g. Turuturu mixed diet, molluscs have a higher lipid content that when fed diet in palmaria palmata monospecific. another goal of this thesis was to study the effects of soluble, polar and apolar palmaria palmata native seaweed and grateloupia turuturu proliferative seaweed extracts. The aim of this study was finding potentially bioactive metabolites on growth of v. Harveyi. These analyzes were carried out by microplates techniques (bioscreen) and, in parallel, nmr analyzes were performed to identify any differences in the composition of the extracts. Our preliminary results, with and percentage of inhibition of 16%, are promising and they showed that g. Turuturu has an antibacterial potential that could be used in future applications in aquaculture.  thus, g. Turuturu could be applied to breeding of abalone extract as water treatment, in the form of artificial food or co-cultivation of an integrated system with haliotis tuberculata, thanks to its antibacterial properties against vibrio harveyi. It would be interesting also to deepen the characterization of the metabolite manager this antibacterial activity and once identified, purified in order to characterize their chemical nature and to eventually improve their level of antibiotic activity.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoracion de la  macroalga proliferante grateloupia turuturu en la cr\u00eda en cautividad de la oreja de mar europea haliotis tuberculata.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoracion de la  macroalga proliferante grateloupia turuturu en la cr\u00eda en cautividad de la oreja de mar europea haliotis tuberculata. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Nuria Garcia Bueno <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/01\/2015<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>J\u00c1\u00b6el Fleurence<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 manuel Rico ord\u00e1s <\/li>\n<li>gercende Courtois de vi\u00ed\u00a7oise (vocal)<\/li>\n<li>vicent Turpin (vocal)<\/li>\n<li>justine Dumay (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Nuria Garcia Bueno Valorizaci\u00f3n de la macroalga proliferante grateloupia turuturu en la cr\u00eda en cautividad de la 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