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Effects of Increasing Dietary Inclusion of White Lupin on Growth Performance, Meat Quality, and Fatty Acid Profile on Growing-Fattening Pigs

Author

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  • Georgeta Ciurescu

    (Laboratory of Animal Nutrition and Biotechnology, National Research Development Institute for Animal Biology and Nutrition, Calea Bucuresti No. 1, 077015 Balotesti, Romania)

  • Mihaela Dumitru

    (Laboratory of Animal Nutrition and Biotechnology, National Research Development Institute for Animal Biology and Nutrition, Calea Bucuresti No. 1, 077015 Balotesti, Romania)

  • Nicoleta Aurelia Lefter

    (Research Station for Sericulture Baneasa, 013685 Bucharest, Romania)

  • Dan-Traian Râmbu

    (Laboratory of Animal Nutrition and Biotechnology, National Research Development Institute for Animal Biology and Nutrition, Calea Bucuresti No. 1, 077015 Balotesti, Romania
    Faculty of Biotechnology, University of Agricultural Sciences and Veterinary Medicine, 011464 Bucharest, Romania)

Abstract

This study investigated the possibility of partial replacement of genetically modified soybean meal (SBM) with raw white lupin (WL) seeds in growing pigs’ diets and determined its impact on performance [body weight (BW), average daily gain (ADG), and average daily feed intake (ADFI)], meat quality, and fatty acid profile (FA). A total of 54 male crossbred pigs [(Topigs Large White × Norsvin Landrace) × Duroc], aged 12 weeks, with an initial average BW of 30.30 ± 0.77 kg, were divided into three dietary groups of 18 piglets each. The control group (CON) was fed a standardized SBM-based complete feed. In the experimental groups (WL1 and WL2) the SBM was replaced with increasing levels of WL seeds [WL1-5.0% and WL2-10.0% (grower period, 30–60 kg BW), and WL1-7.0% and WL2-14.0% (finisher period, 61–110 kg BW)]. All diets were formulated to be isocaloric and isonitrogenous with similar content of total lysine and sulphur amino acids, calcium, and available phosphorus. At the end of 83 days’ fattening trial, the animals were slaughtered. Longissimus dorsi muscle (LD) was sampled for analyses of the physicochemical traits. The results show that increasing the dietary raw WL concentration decreased final BW ( p = 0.039), ADG ( p < 0.0001), and ADFI ( p = 0.004) throughout the experimental period, especially in the second phase of feeding. Dietary treatments did not affect the pigs’ blood biochemical constituents. Concerning LD muscle characteristics, the redness color (a*) and collagen content was higher ( p < 0.0001) in the WL1/WL2 vs. CON group. Beneficial decrease in the values of some textural attributes (hardness, gumminess, chewiness, and resilience) of LD in the WL1/WL2 vs. CON group was registered. The use of WL had a significant effect on the content of FAs, especially for eicosapentaenoic ( p = 0.014) and n-3 PUFA ( p = 0.045), which were higher than those fed the CON diet. In conclusion, WL could be used as a replacement of SBM in growing–finishing pigs’ diets, with significant improvements in the meat fatty acid profile and technological properties.

Suggested Citation

  • Georgeta Ciurescu & Mihaela Dumitru & Nicoleta Aurelia Lefter & Dan-Traian Râmbu, 2025. "Effects of Increasing Dietary Inclusion of White Lupin on Growth Performance, Meat Quality, and Fatty Acid Profile on Growing-Fattening Pigs," Agriculture, MDPI, vol. 15(15), pages 1-16, August.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:15:p:1709-:d:1719905
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    References listed on IDEAS

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    1. R. Leikus & K. Triukas & G. Švirmickas & V. Juškiene, 2004. "The influence of various leguminous seed diets on carcass and meat quality of fattening pigs," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 49(9), pages 398-406.
    2. Z. Zraly & B. Pisarikova & M. Trckova & I. Herzig & M. Juzl & J. Simeonovova, 2007. "The effect of white lupine on the performance, health, carcass characteristics and meat quality of market pigs," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 52(1), pages 29-41.
    3. Fabio Gresta & Marianna Oteri & Danilo Scordia & Annalisa Costale & Rosangela Armone & Giorgia Meineri & Biagina Chiofalo, 2023. "White Lupin ( Lupinus albus L.), an Alternative Legume for Animal Feeding in the Mediterranean Area," Agriculture, MDPI, vol. 13(2), pages 1-16, February.
    4. Z. Zralý & B. Písaříková & M. Trčková & M. Doležal & J. Thiemel & J. Simeonovová & M. Jůzl, 2008. "Replacement of soya in pig diets with white lupine cv. Butan," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(10), pages 418-430.
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