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Effects of dietary conjugated linoleic acid and fish oil supplementation on performance and egg quality in laying hens.
Br Poult Sci. 2004 Aug; 45(4):524-9.BP

Abstract

1. Laying hen performance, yolk fat fatty acid concentrations and firmness of eggs were evaluated with respect to the inclusion in the diet of conjugated linoleic acid (CLA) and fish oil. 2. Nine diets were arranged factorially, with three levels of supplementation of CLA (1, 3 and 5 g/kg) and fish oil (0, 14 and 20 g/kg). 3. Type of diet did not affect egg production traits. 4. CLA addition increased yolk weight and yolk fat concentrations of CLA, saturated and total long-chain n-3 fatty acids, but decreased those of monounsaturated and total long-chain n-6 fatty acids. 5. Fish oil addition increased long-chain n-3 fatty acids yolk fat concentrations but decreased those of CLA, saturated and long-chain n-6 fatty acids. 6. Effects of CLA addition on yolk fat concentrations of C22:4 n-6 and C20:5 n-3 were greater when no fish oil was added to the diet. 7. CLA supplementation increased linearly yolk moisture and firmness and altered albumen and yolk pH.

Authors+Show Affiliations

COREN, Sociedad Cooperativa Galega, Ourense, Spain.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15484728

Citation

Alvarez, C, et al. "Effects of Dietary Conjugated Linoleic Acid and Fish Oil Supplementation On Performance and Egg Quality in Laying Hens." British Poultry Science, vol. 45, no. 4, 2004, pp. 524-9.
Alvarez C, Cachaldora P, Méndez J, et al. Effects of dietary conjugated linoleic acid and fish oil supplementation on performance and egg quality in laying hens. Br Poult Sci. 2004;45(4):524-9.
Alvarez, C., Cachaldora, P., Méndez, J., García-Rebollar, P., & De Blas, J. C. (2004). Effects of dietary conjugated linoleic acid and fish oil supplementation on performance and egg quality in laying hens. British Poultry Science, 45(4), 524-9.
Alvarez C, et al. Effects of Dietary Conjugated Linoleic Acid and Fish Oil Supplementation On Performance and Egg Quality in Laying Hens. Br Poult Sci. 2004;45(4):524-9. PubMed PMID: 15484728.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of dietary conjugated linoleic acid and fish oil supplementation on performance and egg quality in laying hens. AU - Alvarez,C, AU - Cachaldora,P, AU - Méndez,J, AU - García-Rebollar,P, AU - De Blas,J C, PY - 2004/10/16/pubmed PY - 2004/12/16/medline PY - 2004/10/16/entrez SP - 524 EP - 9 JF - British poultry science JO - Br. Poult. Sci. VL - 45 IS - 4 N2 - 1. Laying hen performance, yolk fat fatty acid concentrations and firmness of eggs were evaluated with respect to the inclusion in the diet of conjugated linoleic acid (CLA) and fish oil. 2. Nine diets were arranged factorially, with three levels of supplementation of CLA (1, 3 and 5 g/kg) and fish oil (0, 14 and 20 g/kg). 3. Type of diet did not affect egg production traits. 4. CLA addition increased yolk weight and yolk fat concentrations of CLA, saturated and total long-chain n-3 fatty acids, but decreased those of monounsaturated and total long-chain n-6 fatty acids. 5. Fish oil addition increased long-chain n-3 fatty acids yolk fat concentrations but decreased those of CLA, saturated and long-chain n-6 fatty acids. 6. Effects of CLA addition on yolk fat concentrations of C22:4 n-6 and C20:5 n-3 were greater when no fish oil was added to the diet. 7. CLA supplementation increased linearly yolk moisture and firmness and altered albumen and yolk pH. SN - 0007-1668 UR - https://www.unboundmedicine.com/medline/citation/15484728/Effects_of_dietary_conjugated_linoleic_acid_and_fish_oil_supplementation_on_performance_and_egg_quality_in_laying_hens_ L2 - http://www.tandfonline.com/doi/full/10.1080/00071660400001116 DB - PRIME DP - Unbound Medicine ER -