Hematological and Biochemical Parameters of European Quails (Coturnix coturnix coturnix) Fed Diets with Different Fiber Profiles, with and Without Stimbiotic Inclusion, from 1 to 35 Days
2025
Luayne Morais Correa | Adiel Vieira de Lima | Edijanio Galdino da Silva | Anderson Antonio Ferreira da Silva | Maria das Graças da Silva Bernardino | Raiane dos Santos Silva | Neila Lidiany Ribeiro | Jammily Ketly Guedes Caetano | Xavière Rousseau | Matheus Ramalho de Lima | Fernando Guilherme Perazzo Costa | Ricardo Romão Guerra
Quail farming necessitates the provision of balanced diets to promote avian health and performance, with dietary fiber and feed additives exerting significant influence on immune and physiological responses. This study aimed to evaluate the effects of stimbiotic inclusion in diets characterized by varying fiber profiles on hematological and biochemical parameters in European quails (Coturnix coturnix coturnix). A total of six hundred quails, aged from 1 to 35 days, were assigned to 12 distinct treatments, each comprising 5 replicates of 10 birds. The dietary treatments included a corn&ndash:soy control, two basal diets featuring corn (low soluble fiber) and wheat (high soluble fiber), and three mixed diets that combined corn and wheat in varying proportions, with each diet supplemented with or without 0.01% stimbiotic. Blood samples were collected at 14 and 35 days of age. In the initial phase (1&ndash:14 days), the addition of stimbiotic resulted in increased hemoglobin levels and a reduction in total white blood cells, heterophils, and lymphocytes, indicative of an enhanced immune status. In contrast, dietary fiber was found to influence liver enzyme activity and triglyceride levels. During the growth phase (15&ndash:35 days), stimbiotic continued to exert positive effects on hemoglobin and packed cell volume, while dietary fiber increased eosinophil counts, modulating the immune response without affecting other parameters. In conclusion, dietary fiber plays a functional role, particularly during the growth phase, while stimbiotic inclusion enhances immune function in both developmental stages, demonstrating that both strategies contribute positively to the health and performance of European quails.
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