Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits
This study evaluated the effects of dietary supplementation with omega-3 polyunsaturated fatty acids from extruded linseed, alone and combined with <i>Padina pavonica</i> algae extract, on growth performance and metabolic status in fattening rabbits. Sixty New Zealand White rabbits were...
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2025-07-01
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| author | Alda Quattrone Doriana Beqiraj Nour Elhouda Fehri Rafik Belabbas Daniele Vigo Laura Menchetti Olimpia Barbato Sebastiana Failla Massimo Faustini Shereen Salama Ghoneim Bayrem Jemmali Simona Mattioli Michela Contò Albana Munga Alessandro Dal Bosco Imène Ben Salem Enkeleda Ozuni Mehmet Erman Or Egon Andoni Fabio Gualazzi Marta Castrica Gabriele Brecchia Giulio Curone |
| author_facet | Alda Quattrone Doriana Beqiraj Nour Elhouda Fehri Rafik Belabbas Daniele Vigo Laura Menchetti Olimpia Barbato Sebastiana Failla Massimo Faustini Shereen Salama Ghoneim Bayrem Jemmali Simona Mattioli Michela Contò Albana Munga Alessandro Dal Bosco Imène Ben Salem Enkeleda Ozuni Mehmet Erman Or Egon Andoni Fabio Gualazzi Marta Castrica Gabriele Brecchia Giulio Curone |
| author_sort | Alda Quattrone |
| collection | DOAJ |
| description | This study evaluated the effects of dietary supplementation with omega-3 polyunsaturated fatty acids from extruded linseed, alone and combined with <i>Padina pavonica</i> algae extract, on growth performance and metabolic status in fattening rabbits. Sixty New Zealand White rabbits were assigned to three groups, as follows: control (CNT), L (5% linseed), and LPP (3.5% linseed + 0.2% algae extract) from weaning (37 days) to slaughter (85 days). Productive performance was assessed through body weight (BW), average daily gain (ADG), feed conversion ratio (FCR), and feed intake (FI). Blood was sampled at weaning, 60 days, and slaughter and analyzed for insulin, leptin, cortisol, thyroid hormones (T3, T4), glucose, and non-esterified fatty acids (NEFAs). The L group showed significantly higher ADG (41.0 ± 1 g/d) and improved FCR (4.1 ± 0.2) compared to LPP (ADG: 37 ± 1 g/d, FCR: 4.6 ± 0.2; <i>p</i> = 0.001). No differences were observed in final BW or FI among groups (<i>p</i> < 0.001). Insulin peaked at 60 days across all groups (<i>p</i> < 0.001), with the LPP group showing the lowest levels (9.8 ± 0.9 µUI/mL; <i>p</i> = 0.043). T3 and T4 increased significantly with age (<i>p</i> < 0.001), and the T3/T4 ratio varied by diet and time (<i>p</i> = 0.005). Cortisol rose only at slaughter (<i>p</i> < 0.001) and negatively correlated with insulin and thyroid hormones. The results suggest that omega-3-rich nutraceuticals can enhance growth performance without disrupting metabolic balance and may modulate specific hormonal responses due to their bioactive compounds. |
| format | Article |
| id | doaj-art-9f688ceeeb504e3c96250f036c8d3a20 |
| institution | Kabale University |
| issn | 2076-2615 |
| language | English |
| publishDate | 2025-07-01 |
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| spelling | doaj-art-9f688ceeeb504e3c96250f036c8d3a202025-08-20T03:55:49ZengMDPI AGAnimals2076-26152025-07-011514208510.3390/ani15142085Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening RabbitsAlda Quattrone0Doriana Beqiraj1Nour Elhouda Fehri2Rafik Belabbas3Daniele Vigo4Laura Menchetti5Olimpia Barbato6Sebastiana Failla7Massimo Faustini8Shereen Salama Ghoneim9Bayrem Jemmali10Simona Mattioli11Michela Contò12Albana Munga13Alessandro Dal Bosco14Imène Ben Salem15Enkeleda Ozuni16Mehmet Erman Or17Egon Andoni18Fabio Gualazzi19Marta Castrica20Gabriele Brecchia21Giulio Curone22Department of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalyFaculty of Veterinary Medicine, Agricultural University of Tirana, Kodër Kamëz, 1029 Tirana, AlbaniaDepartment of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalyLaboratory of Research “Health and Animal Productions”, Higher National Veterinary School, Road Issad 26 Abes, Oued Smar, Algiers 16200, AlgeriaDepartment of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalySchool of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione 93/95, 62024 Matelica, ItalyDepartment of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, ItalyConsiglio per la Ricerca in Agricoltura e l’Analisi Dell’Economia Agraria (CREA), Research Centre for Animal Production and Aquaculture, Via Salaria 31, 00015 Rome, ItalyDepartment of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalyAnimal Production Research Institute (APRI), Agriculture Research Center (ARC), Dokki, Giza 12651, EgyptLR13AGR02, Higher School of Agriculture, University of Carthage, Mateur 7030, TunisiaDepartment of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno 74, 06124 Perugia, ItalyConsiglio per la Ricerca in Agricoltura e l’Analisi Dell’Economia Agraria (CREA), Research Centre for Animal Production and Aquaculture, Via Salaria 31, 00015 Rome, ItalyFaculty of Veterinary Medicine, Agricultural University of Tirana, Kodër Kamëz, 1029 Tirana, AlbaniaDepartment of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno 74, 06124 Perugia, ItalyDépartement des Productions Animales, Service de Zootechnie et Economie Agricole Ecole Nationale de Médecine Vétérinaire, Université de la Manouba, Sidi Thabet 2020, TunisiaFaculty of Veterinary Medicine, Agricultural University of Tirana, Kodër Kamëz, 1029 Tirana, AlbaniaDepartment of Internal Medicine, Faculty of Veterinary Medicine, Istanbul University-Cerrahpasa, Istanbul 34320, TürkiyeFaculty of Veterinary Medicine, Agricultural University of Tirana, Kodër Kamëz, 1029 Tirana, AlbaniaSchool of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione 93/95, 62024 Matelica, ItalyDepartment of Comparative Biomedicine and Food Science, University of Padova, Agripolis, Viale dell’Università 16, 35020 Legnaro, ItalyDepartment of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalyDepartment of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, ItalyThis study evaluated the effects of dietary supplementation with omega-3 polyunsaturated fatty acids from extruded linseed, alone and combined with <i>Padina pavonica</i> algae extract, on growth performance and metabolic status in fattening rabbits. Sixty New Zealand White rabbits were assigned to three groups, as follows: control (CNT), L (5% linseed), and LPP (3.5% linseed + 0.2% algae extract) from weaning (37 days) to slaughter (85 days). Productive performance was assessed through body weight (BW), average daily gain (ADG), feed conversion ratio (FCR), and feed intake (FI). Blood was sampled at weaning, 60 days, and slaughter and analyzed for insulin, leptin, cortisol, thyroid hormones (T3, T4), glucose, and non-esterified fatty acids (NEFAs). The L group showed significantly higher ADG (41.0 ± 1 g/d) and improved FCR (4.1 ± 0.2) compared to LPP (ADG: 37 ± 1 g/d, FCR: 4.6 ± 0.2; <i>p</i> = 0.001). No differences were observed in final BW or FI among groups (<i>p</i> < 0.001). Insulin peaked at 60 days across all groups (<i>p</i> < 0.001), with the LPP group showing the lowest levels (9.8 ± 0.9 µUI/mL; <i>p</i> = 0.043). T3 and T4 increased significantly with age (<i>p</i> < 0.001), and the T3/T4 ratio varied by diet and time (<i>p</i> = 0.005). Cortisol rose only at slaughter (<i>p</i> < 0.001) and negatively correlated with insulin and thyroid hormones. The results suggest that omega-3-rich nutraceuticals can enhance growth performance without disrupting metabolic balance and may modulate specific hormonal responses due to their bioactive compounds.https://www.mdpi.com/2076-2615/15/14/2085omega 3PUFAlinseed<i>Padina pavonica</i>marine algaemetabolic hormones |
| spellingShingle | Alda Quattrone Doriana Beqiraj Nour Elhouda Fehri Rafik Belabbas Daniele Vigo Laura Menchetti Olimpia Barbato Sebastiana Failla Massimo Faustini Shereen Salama Ghoneim Bayrem Jemmali Simona Mattioli Michela Contò Albana Munga Alessandro Dal Bosco Imène Ben Salem Enkeleda Ozuni Mehmet Erman Or Egon Andoni Fabio Gualazzi Marta Castrica Gabriele Brecchia Giulio Curone Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits Animals omega 3 PUFA linseed <i>Padina pavonica</i> marine algae metabolic hormones |
| title | Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits |
| title_full | Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits |
| title_fullStr | Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits |
| title_full_unstemmed | Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits |
| title_short | Impact of Dietary Enrichment with Omega-3 Polyunsaturated Fatty Acids from Extruded Linseed and <i>Padina pavonica</i> Algae Extract on Growth Performance and Metabolic Status in Fattening Rabbits |
| title_sort | impact of dietary enrichment with omega 3 polyunsaturated fatty acids from extruded linseed and i padina pavonica i algae extract on growth performance and metabolic status in fattening rabbits |
| topic | omega 3 PUFA linseed <i>Padina pavonica</i> marine algae metabolic hormones |
| url | https://www.mdpi.com/2076-2615/15/14/2085 |
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