Antioxidant Effects of Damsâ Feeding System During Lactation and the Inclusion of Quebracho in the Fattening Concentrate in Lambsâ Tissues

P.J. Rufino-Moya; M. Joy; M. Blanco

Antioxidant Effects of Damsâ Feeding System During Lactation and the Inclusion of Quebracho in the Fattening Concentrate in Lambsâ Tissues

In: 63rd International Congress of Meat Science and Technology

Authors:

P.J. Rufino-Moya

P.J. Rufino-Moya Centro de InvestigaciÃ³n y TecnologÃa Agroalimentaria de AragÃ³n. Instituto Agroalimentario de AragÃ³n-IA2- (Universidad de Zaragoza-CITA). Avda. MontaÃ±ana 930, 50059 Zaragoza, Spain; mblanco@aragon.es

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M. Joy

M. Joy Centro de InvestigaciÃ³n y TecnologÃa Agroalimentaria de AragÃ³n. Instituto Agroalimentario de AragÃ³n-IA2- (Universidad de Zaragoza-CITA). Avda. MontaÃ±ana 930, 50059 Zaragoza, Spain; mblanco@aragon.es

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M. Blanco

M. Blanco Centro de InvestigaciÃ³n y TecnologÃa Agroalimentaria de AragÃ³n. Instituto Agroalimentario de AragÃ³n-IA2- (Universidad de Zaragoza-CITA). Avda. MontaÃ±ana 930, 50059 Zaragoza, Spain; mblanco@aragon.es

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Type:: Chapter

Pages:: 823â825

DOI:: https://doi.org/10.3920/9789086868605_368

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The aim of the present study was to assess the influence of the feeding system of the dams during lactation and the inclusion of quebracho in the fattening concentrate on polyphenols content and antioxidant (AO) status of the muscle and the liver of light lambs. Three feeding systems during lactation were studied: dam-lamb pairs grazed alfalfa, dam-lamb pairs grazed sainfoin and dam-lamb pairs stalled and dams were fed a total mixed ration (TMR). After weaning (42Â±2 days), lambs were fed a fattening concentrate with or without quebracho (QUE) until 22-24 kg. The total polyphenols were measured by Folin-Ciocalteau method, and AO activity was analyzed by DPPH, ABTS and FRAP assays. The feeding system during lactation only affected the ABTS value in muscle (P<0.05). The inclusion of quebracho in concentrate increased polyphenols content in the muscle (P<0.05) but had no effect on AO status. In the liver, QUE concentrate did not affect polyphenols content but decreased DPPH and FRAP (P<0.05). The polyphenols contents in fresh forage and QUE concentrate did not improve the AO status of animal tissues. Studies to elucidate the mechanisms of action of polyphenols in animal tissues should be carried out.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Antioxidant Effects of Damsâ Feeding System During Lactation and the Inclusion of Quebracho in the Fattening Concentrate in Lambsâ Tissues

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Nurturing locally, growing globally

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Antioxidant Effects of Damsâ Feeding System During Lactation and the Inclusion of Quebracho in the Fattening Concentrate in Lambsâ Tissues