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<p>Native poultry breeds are fundamental for sustainable farming, especially in agroecological systems emphasizing adaptability, resilience and product quality. However, data on their physiological and intestinal health profiles are limited. This study examines three Italian slow-growing chicken breeds: Bionda Piemontese, Bianca di Saluzzo and Millefiori Piemontese, reared under identical agroecological, free-range conditions. Parameters assessed include productive performance, blood traits, feather corticosterone, intestinal histomorphology and histopathology, nutrient digestibility, and caecal microbiota and volatile fatty acids. All breeds showed similar welfare indicators, with consistent haematological values and feather corticosterone concentrations (<i>P</i> &gt; 0.05). While Millefiori Piemontese displayed higher slaughter weight (on average, + 9.10%; <i>P</i> = 0.046) and triglycerides (on average, + 21.6%; <i>P</i> = 0.021), most intestinal health traits remained comparable among breeds (<i>P</i> &gt; 0.05). Analysis of intestinal bacterial composition revealed distinct microbial profiles among the three breeds. Several families and genera varied significantly in relative abundance, indicating breed-associated differences in gut microbiota structure, although overall diversity and fermentation patterns remained similar. These findings provide a useful baseline for future research on the potential role of these breeds in low-input, sustainable farming systems.</p>

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Comparative evaluation of native slow-growing roosters: focus on gut integrity and physiological traits

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年10月17日

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  • Eleonora Erika Cappone,
  • Edoardo Fiorilla,
  • Ilario Ferrocino,
  • Marta Gariglio,
  • Valeria Zambotto,
  • Chiara Bianchi,
  • Lara Rastello,
  • Stefano Bagatella,
  • Talal Hassan,
  • Muhammad Adnan Arif,
  • Muhammad Irfan Malik,
  • Ilaria Biasato,
  • Stefania Bergagna,
  • Sara Antoniazzi,
  • Elisabetta Macchi,
  • Isabella Manenti,
  • Kalliopi Rantsiou,
  • Achille Schiavone

摘要

Native poultry breeds are fundamental for sustainable farming, especially in agroecological systems emphasizing adaptability, resilience and product quality. However, data on their physiological and intestinal health profiles are limited. This study examines three Italian slow-growing chicken breeds: Bionda Piemontese, Bianca di Saluzzo and Millefiori Piemontese, reared under identical agroecological, free-range conditions. Parameters assessed include productive performance, blood traits, feather corticosterone, intestinal histomorphology and histopathology, nutrient digestibility, and caecal microbiota and volatile fatty acids. All breeds showed similar welfare indicators, with consistent haematological values and feather corticosterone concentrations (P > 0.05). While Millefiori Piemontese displayed higher slaughter weight (on average, + 9.10%; P = 0.046) and triglycerides (on average, + 21.6%; P = 0.021), most intestinal health traits remained comparable among breeds (P > 0.05). Analysis of intestinal bacterial composition revealed distinct microbial profiles among the three breeds. Several families and genera varied significantly in relative abundance, indicating breed-associated differences in gut microbiota structure, although overall diversity and fermentation patterns remained similar. These findings provide a useful baseline for future research on the potential role of these breeds in low-input, sustainable farming systems.