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Dietary marine algae promotes efficient deposition of n-3 fatty acids for the production of enriched shell eggs.
Poult Sci. 1996 Dec; 75(12):1501-7.PS

Abstract

Two experiments were conducted to investigate the usefulness of a natural golden marine algae (MA) as a poultry ration supplement for the production of shell eggs rich in n-3 fatty acids (n-3 FA). This MA is unique due to a high concentration of docosahexaenoic acid (DHA; C22:6n-3) and the absence of other n-3 FA normally present in marine oils such as menhaden oil (MO). In the first experiment, 60 24-wk-old Single Comb White Leghorn (SCWL) hens were divided among four dietary treatments, including a typical corn-soybean control (CON); 1.5% MO, supplying 233 mg eicosapentaenoic acid (EPA) and 155 mg DHA per d; 2.4% MA, supplying 200 mg DHA/d; and 4.8% MA, supplying 400 mg DHA/d. A second experiment using 96 56-wk-old SCWL was conducted using the same diets. In both experiments, eggs were collected weekly for 4 wk for determination of egg production parameters and yolk FA content. Each week, yolk samples were extracted, methyl estered, and quantified using gas chromatography. Transient depression in egg and yolk weights were noted early in Experiment 1 in response to dietary 4.8% MA. Although egg and yolk weights were not affected in Experiment 2, egg production was significantly reduced in the 4.8% MA treatment. Egg production was unaffected due to diet or week in Experiment 1. In both experiments, yolk polyunsaturated profiles were significantly influenced by diet. Dietary n-3 FA supplementation significantly increased yolk total N-3 FA with concomitant reductions in yolk n-6 FA. Although hens fed MO were supplied predominantly EPA, the principal yolk FA deposited was DHA. Marine algae also promoted efficient yolk DHA deposition with the highest yolk DHA concentrations attained in eggs from hens fed 4.8% MA. These data indicate that utilization of MA as a direct source of dietary n-3 FA may provide an efficient alternative to current sources of n-3 FA available for the production of poultry products rich in n-3 FA.

Authors+Show Affiliations

Department of Poultry Science, Texas Agricultural Experiment Station, Texas A&M University System, College Station 77843-2472, USA.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

9000275

Citation

Herber, S M., and M E. Van Elswyk. "Dietary Marine Algae Promotes Efficient Deposition of N-3 Fatty Acids for the Production of Enriched Shell Eggs." Poultry Science, vol. 75, no. 12, 1996, pp. 1501-7.
Herber SM, Van Elswyk ME. Dietary marine algae promotes efficient deposition of n-3 fatty acids for the production of enriched shell eggs. Poult Sci. 1996;75(12):1501-7.
Herber, S. M., & Van Elswyk, M. E. (1996). Dietary marine algae promotes efficient deposition of n-3 fatty acids for the production of enriched shell eggs. Poultry Science, 75(12), 1501-7.
Herber SM, Van Elswyk ME. Dietary Marine Algae Promotes Efficient Deposition of N-3 Fatty Acids for the Production of Enriched Shell Eggs. Poult Sci. 1996;75(12):1501-7. PubMed PMID: 9000275.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dietary marine algae promotes efficient deposition of n-3 fatty acids for the production of enriched shell eggs. AU - Herber,S M, AU - Van Elswyk,M E, PY - 1996/12/1/pubmed PY - 1996/12/1/medline PY - 1996/12/1/entrez SP - 1501 EP - 7 JF - Poultry science JO - Poult. Sci. VL - 75 IS - 12 N2 - Two experiments were conducted to investigate the usefulness of a natural golden marine algae (MA) as a poultry ration supplement for the production of shell eggs rich in n-3 fatty acids (n-3 FA). This MA is unique due to a high concentration of docosahexaenoic acid (DHA; C22:6n-3) and the absence of other n-3 FA normally present in marine oils such as menhaden oil (MO). In the first experiment, 60 24-wk-old Single Comb White Leghorn (SCWL) hens were divided among four dietary treatments, including a typical corn-soybean control (CON); 1.5% MO, supplying 233 mg eicosapentaenoic acid (EPA) and 155 mg DHA per d; 2.4% MA, supplying 200 mg DHA/d; and 4.8% MA, supplying 400 mg DHA/d. A second experiment using 96 56-wk-old SCWL was conducted using the same diets. In both experiments, eggs were collected weekly for 4 wk for determination of egg production parameters and yolk FA content. Each week, yolk samples were extracted, methyl estered, and quantified using gas chromatography. Transient depression in egg and yolk weights were noted early in Experiment 1 in response to dietary 4.8% MA. Although egg and yolk weights were not affected in Experiment 2, egg production was significantly reduced in the 4.8% MA treatment. Egg production was unaffected due to diet or week in Experiment 1. In both experiments, yolk polyunsaturated profiles were significantly influenced by diet. Dietary n-3 FA supplementation significantly increased yolk total N-3 FA with concomitant reductions in yolk n-6 FA. Although hens fed MO were supplied predominantly EPA, the principal yolk FA deposited was DHA. Marine algae also promoted efficient yolk DHA deposition with the highest yolk DHA concentrations attained in eggs from hens fed 4.8% MA. These data indicate that utilization of MA as a direct source of dietary n-3 FA may provide an efficient alternative to current sources of n-3 FA available for the production of poultry products rich in n-3 FA. SN - 0032-5791 UR - https://www.unboundmedicine.com/medline/citation/9000275/Dietary_marine_algae_promotes_efficient_deposition_of_n_3_fatty_acids_for_the_production_of_enriched_shell_eggs_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0032-5791(19)44364-2 DB - PRIME DP - Unbound Medicine ER -