Reproductive long-term effects, endocrine response and fatty acid profile of rabbit does fed diets supplemented with n-3 fatty acids

Garcia Rebollar, Paloma; García García, R. M.; Arias Álvarez, María; Millán, P.; Rey, Ana Isabel; Rodríguez, M.; Formoso Rafferty, Nora; Riva, S. de la; Masdeu, M.; Lorenzo González, Pedro Luis y García Rebollar, Pilar (2014). Reproductive long-term effects, endocrine response and fatty acid profile of rabbit does fed diets supplemented with n-3 fatty acids. "Animal Reproduction Science", v. 146 (n. 3-4); pp. 202-209. ISSN 0378-4320. https://doi.org/10.1016/j.anireprosci.2014.02.021.

Descripción

Título: Reproductive long-term effects, endocrine response and fatty acid profile of rabbit does fed diets supplemented with n-3 fatty acids
Autor/es:
  • Garcia Rebollar, Paloma
  • García García, R. M.
  • Arias Álvarez, María
  • Millán, P.
  • Rey, Ana Isabel
  • Rodríguez, M.
  • Formoso Rafferty, Nora
  • Riva, S. de la
  • Masdeu, M.
  • Lorenzo González, Pedro Luis
  • García Rebollar, Pilar
Tipo de Documento: Artículo
Título de Revista/Publicación: Animal Reproduction Science
Fecha: Mayo 2014
Volumen: 146
Materias:
Escuela: E.U.I.T. Agrícolas (UPM)
Departamento: Producción Agraria
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The effect of a diet enriched with polyunsaturated n -3 fatty acids (PUFA) on endocrine, reproductive, and productive responses of rabbit females and the litters has been studied. Nulliparous does ( n = 125) were fed ad libitum from rearing to second weaning two diets supplemented with different fat sources: 7.5 g/kg lard for the control diet (group C; n = 63) or 15 g/kg of a commercial supplement containing a 50% ether extract and 35% of total fatty acids (FAs) as PUFA n -3 (Group P; n = 62). Dietary treatments did not affect apparent digestibility coefficients of nutrients, or reproductive variables of does including milk pro- duction, mortality and average daily gain of kits over two lactations. However, on Day 5 and 7 post-induction of ovulation, progesterone of Group P tended to increase to a greater extent than in does of Group C. Total PUFAs, n -6 and n -3 and eicosapentanoic (EPA) contents were greater in adipose tissues of does in Group P than in Group C. Docosapentaenoic acid (DPA), EPA, and docosahexaenoic acid (DHA) concentrations were greater in peri-ovarian than in scapular fat with abdominal fat being intermediate in concentration. In PUFA sup- plemented does, kit mortality at the second parturition tended to be less than in control does. Also, kits born to does of the PUFA-supplemented group weighed more and were of greater length than from does of control group. In conclusion, effectiveness of dietary intervention on reproductive and performance response is greater in the second parity, which suggests an accumulative long-term beneficial effect of n -3 FA supplementation in reproductive rabbit does

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ID de Registro: 35782
Identificador DC: http://oa.upm.es/35782/
Identificador OAI: oai:oa.upm.es:35782
Identificador DOI: 10.1016/j.anireprosci.2014.02.021
Depositado por: Memoria Investigacion
Depositado el: 29 Jul 2015 11:30
Ultima Modificación: 29 Jul 2015 11:30
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