Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study
This study was designed to analyze the chemical composition and in vitro rumen fermentation of eight seaweed species (Brown: <i>Alaria esculenta</i>, <i>Laminaria digitata</i>, <i>Pelvetia canaliculata</i>, <i>Saccharina latissima</i>; Red: <i>Ma...
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doaj-1b20d4c8bdc74314ab6f82fe219bb53d2020-11-25T02:32:56ZengMDPI AGAnimals2076-26152019-10-0191085110.3390/ani9100851ani9100851Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro StudyAna de la Moneda0Maria Dolores Carro1Martin R. Weisbjerg2Michael Y. Roleda3Vibeke Lind4Margarita Novoa-Garrido5Eduarda Molina-Alcaide6Estación Experimental del Zaidin (Consejo Superior de Investigaciones Cientificas), Profesor Albareda, 1, 18008 Granada, SpainDepartamento de Producción Agraria. Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Ciudad Universitaria, 28040 Madrid, SpainAarhus University, AU Foulum, Blichers Allé 20, 8830 Tjele, DenmarkNorwegian Institute of Bioeconomy Research (NIBIO), PB 115, 1431 Ås, NorwayNorwegian Institute of Bioeconomy Research (NIBIO), PB 115, 1431 Ås, NorwayNorwegian Institute of Bioeconomy Research (NIBIO), PB 115, 1431 Ås, NorwayEstación Experimental del Zaidin (Consejo Superior de Investigaciones Cientificas), Profesor Albareda, 1, 18008 Granada, SpainThis study was designed to analyze the chemical composition and in vitro rumen fermentation of eight seaweed species (Brown: <i>Alaria esculenta</i>, <i>Laminaria digitata</i>, <i>Pelvetia canaliculata</i>, <i>Saccharina latissima</i>; Red: <i>Mastocarpus stellatus</i>, <i>Palmaria palmata</i> and <i>Porphyra</i> sp.; Green: <i>Cladophora rupestris</i>) collected in Norway during spring and autumn. Moreover, the in vitro ruminal fermentation of seventeen diets composed of 1:1 oat hay:concentrate, without (control diet) or including seaweeds was studied. The ash and N contents were greater (<i>p</i> < 0.001) in seaweeds collected during spring than in autumn, but autumn-seaweeds had greater total extractable polyphenols. Nitrogen in red and green seaweeds was greater than 2.20 and in brown seaweeds, it was lower than 1.92 g/kg DM. Degradability after 24 h of fermentation was greater in spring seaweeds than in autumn, with <i>Palmaria palmata</i> showing the greatest value and <i>Pelvetia canaliculata</i> the lowest. Seaweeds differed in their fermentation pattern, and autumn <i>Alaria esculenta</i>, <i>Laminaria digitata</i>, <i>Saccharina latissima</i> and <i>Palmaria palmata</i> were similar to high-starch feeds. The inclusion of seaweeds in the concentrate of a diet up to 200 g/kg concentrate produced only subtle effects on in vitro ruminal fermentation.https://www.mdpi.com/2076-2615/9/10/851seaweedschemical compositionin vitro rumen fermentationgoatsmethane |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ana de la Moneda Maria Dolores Carro Martin R. Weisbjerg Michael Y. Roleda Vibeke Lind Margarita Novoa-Garrido Eduarda Molina-Alcaide |
spellingShingle |
Ana de la Moneda Maria Dolores Carro Martin R. Weisbjerg Michael Y. Roleda Vibeke Lind Margarita Novoa-Garrido Eduarda Molina-Alcaide Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study Animals seaweeds chemical composition in vitro rumen fermentation goats methane |
author_facet |
Ana de la Moneda Maria Dolores Carro Martin R. Weisbjerg Michael Y. Roleda Vibeke Lind Margarita Novoa-Garrido Eduarda Molina-Alcaide |
author_sort |
Ana de la Moneda |
title |
Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study |
title_short |
Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study |
title_full |
Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study |
title_fullStr |
Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study |
title_full_unstemmed |
Variability and Potential of Seaweeds as Ingredients of Ruminant Diets: An In Vitro Study |
title_sort |
variability and potential of seaweeds as ingredients of ruminant diets: an in vitro study |
publisher |
MDPI AG |
series |
Animals |
issn |
2076-2615 |
publishDate |
2019-10-01 |
description |
This study was designed to analyze the chemical composition and in vitro rumen fermentation of eight seaweed species (Brown: <i>Alaria esculenta</i>, <i>Laminaria digitata</i>, <i>Pelvetia canaliculata</i>, <i>Saccharina latissima</i>; Red: <i>Mastocarpus stellatus</i>, <i>Palmaria palmata</i> and <i>Porphyra</i> sp.; Green: <i>Cladophora rupestris</i>) collected in Norway during spring and autumn. Moreover, the in vitro ruminal fermentation of seventeen diets composed of 1:1 oat hay:concentrate, without (control diet) or including seaweeds was studied. The ash and N contents were greater (<i>p</i> < 0.001) in seaweeds collected during spring than in autumn, but autumn-seaweeds had greater total extractable polyphenols. Nitrogen in red and green seaweeds was greater than 2.20 and in brown seaweeds, it was lower than 1.92 g/kg DM. Degradability after 24 h of fermentation was greater in spring seaweeds than in autumn, with <i>Palmaria palmata</i> showing the greatest value and <i>Pelvetia canaliculata</i> the lowest. Seaweeds differed in their fermentation pattern, and autumn <i>Alaria esculenta</i>, <i>Laminaria digitata</i>, <i>Saccharina latissima</i> and <i>Palmaria palmata</i> were similar to high-starch feeds. The inclusion of seaweeds in the concentrate of a diet up to 200 g/kg concentrate produced only subtle effects on in vitro ruminal fermentation. |
topic |
seaweeds chemical composition in vitro rumen fermentation goats methane |
url |
https://www.mdpi.com/2076-2615/9/10/851 |
work_keys_str_mv |
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