Elaboración de ensilado biológico utilizando subproductos orgánicos derivados del procesamiento de concha de abanico (Argopecten purpuratus)
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Authors
Raucana Cangalaya, Sandra Paola
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Abstract
La investigación tuvo como objetivo aprovechar los subproductos orgánicos derivados del procesamiento de concha de abanico (SOCA) para la elaboración y caracterización de un ensilado biológico destinado a la alimentación animal, dado que estos subproductos suelen ser descartados por las plantas procesadoras, ya que la comercialización se orienta principalmente en el músculo aductor y/o la gónada. El proceso incluyó etapas de cocción, molienda y fermentación. Para determinar la mejor proporción de consorcio de bacterias ácido lácticas (BAL) y SOCA, se diseñó un experimento con tres tratamientos, aplicando la prueba de Kruskal-Wallis y análisis post hoc, considerando como variable respuesta el descenso del pH. En el siguiente experimento, se buscó la mejor proporción de melaza y/o plátano sobre maduro como fuentes de carbohidratos bajo la misma metodología estadística, trabajando con tres tratamientos y considerando como variable respuesta el descenso del pH y Acidez titulable (%Ácido láctico); asimismo, se determinó la viscosidad (Centipoise, Cp) en cada tratamiento. Los resultados indicaron que la mejor formulación fue 75% SOCA, 15% BAL y 10% plátano, obteniéndose un rendimiento del 80,67%. El ensilado obtenido presentó 83,01% de humedad y, considerando los demás parámetros en base seca, se obtuvo 15,80% de proteína, 7,24% de ceniza, 1,21% de grasa y 1,764% de acidez titulable. El tratamiento con plátano sobre maduro mostró la mayor viscosidad (18 240 cP) y una consistencia más estable, lo que lo hace adecuado para utilizarlo como insumo en la formulación de alimentos para mascotas. Las evaluaciones microbiológicas confirmaron una calidad sanitaria aceptable.
The research aimed to utilize organic by-products derived from the processing of scallops (Argopecten purpuratus), referred to as SOCA, for the development and characterization of a biological silage intended for animal feed, as these by-products are typically discarded by processing plants that primarily focus on the commercialization of the adductor muscle and/or gonad. The process included stages of cooking, grinding, and fermentation. To determine the optimal proportion of lactic acid bacteria (BAL) consortium and SOCA, an experiment with three treatments was designed, applying the Kruskal-Wallis test and post hoc analysis, using pH reduction as the response variable. In the subsequent experiment, the best proportion of molasses and/or overripe banana as carbohydrate sources was evaluated under the same statistical methodology, using three treatments and considering pH reduction and titratable acidity (% lactic acid) as response variables; additionally, viscosity (centipoise, Cp) was measured for each treatment. Results indicated that the optimal formulation consisted of 75% SOCA, 15% BAL and 10% banana, achieving a yield of 80.67%. The resulting silage exhibited 83.01% moisture and, on a drys basis, 15.80% protein, 7.24% ash, 1.21% fat, and 1.764% titratable acidity. The treatment with overripe banana showed the highest viscosity (18,240 cP) and a more stable consistency, making it suitable for use as an ingredient in pet food formulation. Microbiological evaluations confirmed acceptable sanitary quality.
The research aimed to utilize organic by-products derived from the processing of scallops (Argopecten purpuratus), referred to as SOCA, for the development and characterization of a biological silage intended for animal feed, as these by-products are typically discarded by processing plants that primarily focus on the commercialization of the adductor muscle and/or gonad. The process included stages of cooking, grinding, and fermentation. To determine the optimal proportion of lactic acid bacteria (BAL) consortium and SOCA, an experiment with three treatments was designed, applying the Kruskal-Wallis test and post hoc analysis, using pH reduction as the response variable. In the subsequent experiment, the best proportion of molasses and/or overripe banana as carbohydrate sources was evaluated under the same statistical methodology, using three treatments and considering pH reduction and titratable acidity (% lactic acid) as response variables; additionally, viscosity (centipoise, Cp) was measured for each treatment. Results indicated that the optimal formulation consisted of 75% SOCA, 15% BAL and 10% banana, achieving a yield of 80.67%. The resulting silage exhibited 83.01% moisture and, on a drys basis, 15.80% protein, 7.24% ash, 1.21% fat, and 1.764% titratable acidity. The treatment with overripe banana showed the highest viscosity (18,240 cP) and a more stable consistency, making it suitable for use as an ingredient in pet food formulation. Microbiological evaluations confirmed acceptable sanitary quality.
Description
Universidad Nacional Agraria La Molina. Facultad de Pesquería. Departamento Académico de Acuicultura e Industrias Pesqueras
Keywords
Ensilado biológico
Citation
Date
2025
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