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Production Performance, Egg Quality Characteristics, Fatty Acid Profile and Health Lipid Indices of Produced Eggs, Blood Biochemical Parameters and Welfare Indicators of Laying Hens Fed Dried Olive Pulp

Author

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  • Anna Dedousi

    (Veterinary Research Institute, Hellenic Agricultural Organization DIMITRA, 57001 Thessaloniki, Greece)

  • Maria-Zoi Kritsa

    (Veterinary Research Institute, Hellenic Agricultural Organization DIMITRA, 57001 Thessaloniki, Greece)

  • Mirjana Đukić Stojčić

    (Department of Animal Science, Faculty of Agriculture, University of Novi Sad, 21000 Novi Sad, Serbia)

  • Themistoklis Sfetsas

    (Research & Development, Quality Control and Testing Services, QLAB Private Company, 57008 Thessaloniki, Greece)

  • Antonios Sentas

    (Quality Control Department of TSAKIRIS FAMILY SA, TSAKIRIS FAMILY SA, 54500 Thessaloniki, Greece)

  • Evangelia Sossidou

    (Veterinary Research Institute, Hellenic Agricultural Organization DIMITRA, 57001 Thessaloniki, Greece)

Abstract

This study aimed to evaluate the long-term dietary effects of dried olive pulp (OP) on production performance, fatty acid profile and health lipid indices and quality characteristics of produced eggs, health and welfare indicators of laying hens. It was carried out in a commercial poultry farm using 300 Isa Brown layers at 23 weeks of age. The hens were randomly and equally divided in six dietary groups CON, OP2, OP3, OP4, OP5 and OP6, according to the inclusion rate of OP in the ration (0%, 2%, 3%, 4%, 5% and 6%, respectively). OP feeding increased the percentage of polyunsaturated fatty acids (PUFA) in eggs, decreased that of saturated fatty acids (SFA) and improved the PUFA to SFA ratio and health lipid indices, as indicated by the decrease of AI and TI and the increase in the h/H ratio of produced eggs, in a dose-dependent way. OP-fed layers presented a lower percentage of broken eggshells compared to controls. No adverse effects on birds’ performance, egg quality traits, health and welfare parameters were observed but a positive impact on Keel Bone Damage (KBD) incidence and belly plumage damage was recorded. OP feeding at the rates of 5% and 6% seems to be beneficial in improving egg nutrition quality.

Suggested Citation

  • Anna Dedousi & Maria-Zoi Kritsa & Mirjana Đukić Stojčić & Themistoklis Sfetsas & Antonios Sentas & Evangelia Sossidou, 2022. "Production Performance, Egg Quality Characteristics, Fatty Acid Profile and Health Lipid Indices of Produced Eggs, Blood Biochemical Parameters and Welfare Indicators of Laying Hens Fed Dried Olive Pu," Sustainability, MDPI, vol. 14(6), pages 1-23, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:6:p:3157-:d:766329
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    References listed on IDEAS

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    1. Julio Berbel & Alejandro Posadillo, 2018. "Review and Analysis of Alternatives for the Valorisation of Agro-Industrial Olive Oil By-Products," Sustainability, MDPI, vol. 10(1), pages 1-9, January.
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    Cited by:

    1. Anna Dedousi & Sotiris I. Patsios & Maria-Zoi Kritsa & Konstantinos N. Kontogiannopoulos & Maria Ioannidou & Antonios Zdragas & Evangelia N. Sossidou, 2023. "Growth Performance, Meat Quality, Welfare and Behavior Indicators of Broilers Fed Diets Supplemented with Yarrowia lipolytica Yeast," Sustainability, MDPI, vol. 15(3), pages 1-24, January.
    2. Anna Dedousi & Charalampos Kotzamanidis & Maria-Zoi Kritsa & Antiopi Tsoureki & Aggeliki Andreadelli & Sotiris I. Patsios & Evangelia Sossidou, 2022. "Growth Performance, Gut Health, Welfare and Qualitative Behavior Characteristics of Broilers Fed Diets Supplemented with Dried Common ( Olea europaea ) Olive Pulp," Sustainability, MDPI, vol. 15(1), pages 1-20, December.
    3. Alexandru Usturoi & Marius-Giorgi Usturoi & Bogdan-Vlad Avarvarei & Claudia Pânzaru & Cristina Simeanu & Mădălina-Iuliana Usturoi & Mihaela Spătaru & Răzvan-Mihail Radu-Rusu & Marius-Gheorghe Doliş & , 2022. "Research Regarding Correlation between the Assured Health State for Laying Hens and Their Productivity," Agriculture, MDPI, vol. 13(1), pages 1-14, December.

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