Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs

The objective of this study was to evaluate the effects of vegetable oil supplementation of ewe diets on the performance and fatty acid (FA) composition of their suckling lambs. Forty-eight pregnant Churra ewes (mean BW 64.3 ± 0.92 kg) with their 72 newborn lambs (prolificacy = 1.5) were assigned to...

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Autores: Manso Alonso, María Teresa, Bodas Rodriguez, Raul, Vieira Aller, Ceferina, Ruiz Mantecón, Angel, Castro Madrigal, Teresa
Tipo de recurso: artículo
Fecha de publicación:2011
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/98294
Acceso en línea:https://hdl.handle.net/20.500.14352/98294
Access Level:acceso abierto
Palabra clave:636.08
Lamb
Meat
Milk
Sheep
Unsaturated fatty acids
Producción animal
3104 Producción Animal
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oai_identifier_str oai:docta.ucm.es:20.500.14352/98294
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repository_id_str
spelling Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambsManso Alonso, María TeresaBodas Rodriguez, RaulVieira Aller, CeferinaRuiz Mantecón, AngelCastro Madrigal, Teresa636.08LambMeatMilkSheepUnsaturated fatty acidsProducción animal3104 Producción AnimalThe objective of this study was to evaluate the effects of vegetable oil supplementation of ewe diets on the performance and fatty acid (FA) composition of their suckling lambs. Forty-eight pregnant Churra ewes (mean BW 64.3 ± 0.92 kg) with their 72 newborn lambs (prolificacy = 1.5) were assigned to one of four experimental diets, supplemented with 3% of hydrogenated palm (PALM), olive (OLI), soya (SOY) or linseed (LIN) oil. Lambs were nourished exclusively by suckling from their respective mothers. Ewes were milked once daily, and milk samples were taken once a week. When lambs reached 11 kg, they were slaughtered and samples were taken from musculus longissimus dorsi (intramuscular fat) and subcutaneous fat tissue. No changes were observed in milk yield, proximal composition or lamb performance (P > 0.10). Milk and lamb subcutaneous and intramuscular fat samples from the PALM diet had the highest saturated fatty acid concentration, whereas those of the OLI, SOY and LIN diets had the lowest (P < 0.05). The greatest monounsaturated fatty acid concentration was observed in milk from ewes fed OLI, and the least in milk and in lamb subcutaneous and intramuscular fat samples from LIN and PALM diets. Milk and lamb fat from ewes fed PALM displayed the highest 16:0 proportion and the lowest 18:0 (P < 0.05). There were higher concentrations of cis-9 18:1 in OLI samples (P < 0.05), more 18:2n-6 in SOY lambs and milk fat (P < 0.001) and the highest levels of 18:3n-3 and 20:5n-3 in LIN samples (P < 0.01). Milk and lamb subcutaneous and intramuscular samples from SOY and LIN diets contained the most cis-9, trans-11 conjugated linoleic acid, whereas PALM samples had the least (P < 0.01). Sheep diet supplementation with different oils, constituting up to 3% of their diets, resulted in changes in the FA composition of milk and the subcutaneous and intramuscular fat of suckling lambs, but did not affect either milk production or lamb performance. © 2011 The Animal Consortium.ElsevierUniversidad Complutense de Madrid20112011-01-0120112011-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/98294reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nd/4.0/info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/982942026-06-02T12:44:21Z
dc.title.none.fl_str_mv Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
title Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
spellingShingle Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
Manso Alonso, María Teresa
636.08
Lamb
Meat
Milk
Sheep
Unsaturated fatty acids
Producción animal
3104 Producción Animal
title_short Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
title_full Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
title_fullStr Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
title_full_unstemmed Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
title_sort Feeding vegetable oils to lactating ewes modifies the fatty acid profile of suckling lambs
dc.creator.none.fl_str_mv Manso Alonso, María Teresa
Bodas Rodriguez, Raul
Vieira Aller, Ceferina
Ruiz Mantecón, Angel
Castro Madrigal, Teresa
author Manso Alonso, María Teresa
author_facet Manso Alonso, María Teresa
Bodas Rodriguez, Raul
Vieira Aller, Ceferina
Ruiz Mantecón, Angel
Castro Madrigal, Teresa
author_role author
author2 Bodas Rodriguez, Raul
Vieira Aller, Ceferina
Ruiz Mantecón, Angel
Castro Madrigal, Teresa
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 636.08
Lamb
Meat
Milk
Sheep
Unsaturated fatty acids
Producción animal
3104 Producción Animal
topic 636.08
Lamb
Meat
Milk
Sheep
Unsaturated fatty acids
Producción animal
3104 Producción Animal
description The objective of this study was to evaluate the effects of vegetable oil supplementation of ewe diets on the performance and fatty acid (FA) composition of their suckling lambs. Forty-eight pregnant Churra ewes (mean BW 64.3 ± 0.92 kg) with their 72 newborn lambs (prolificacy = 1.5) were assigned to one of four experimental diets, supplemented with 3% of hydrogenated palm (PALM), olive (OLI), soya (SOY) or linseed (LIN) oil. Lambs were nourished exclusively by suckling from their respective mothers. Ewes were milked once daily, and milk samples were taken once a week. When lambs reached 11 kg, they were slaughtered and samples were taken from musculus longissimus dorsi (intramuscular fat) and subcutaneous fat tissue. No changes were observed in milk yield, proximal composition or lamb performance (P > 0.10). Milk and lamb subcutaneous and intramuscular fat samples from the PALM diet had the highest saturated fatty acid concentration, whereas those of the OLI, SOY and LIN diets had the lowest (P < 0.05). The greatest monounsaturated fatty acid concentration was observed in milk from ewes fed OLI, and the least in milk and in lamb subcutaneous and intramuscular fat samples from LIN and PALM diets. Milk and lamb fat from ewes fed PALM displayed the highest 16:0 proportion and the lowest 18:0 (P < 0.05). There were higher concentrations of cis-9 18:1 in OLI samples (P < 0.05), more 18:2n-6 in SOY lambs and milk fat (P < 0.001) and the highest levels of 18:3n-3 and 20:5n-3 in LIN samples (P < 0.01). Milk and lamb subcutaneous and intramuscular samples from SOY and LIN diets contained the most cis-9, trans-11 conjugated linoleic acid, whereas PALM samples had the least (P < 0.01). Sheep diet supplementation with different oils, constituting up to 3% of their diets, resulted in changes in the FA composition of milk and the subcutaneous and intramuscular fat of suckling lambs, but did not affect either milk production or lamb performance. © 2011 The Animal Consortium.
publishDate 2011
dc.date.none.fl_str_mv 2011
2011-01-01
2011
2011-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/98294
url https://hdl.handle.net/20.500.14352/98294
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.300719

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