| Summary: | Sixty New Zealand rabbits aged 40 days were divided into 4 groups of 15 animals. The control group received a free diet of antibiotic growth promoter (AGP) and inulin. The second group was supplemented with 2.5 g/kg of inulin. The third was administered AGP with 0.1 g/kg of flavomycin. Finally, the fourth group received a 2.5 and 0.1 g/kg inulin/AGP diet. Body weight gain was higher in the control group. Rabbits supplemented with inulin had lower values of triglycerides compared with the control and AGP groups, and their glucose level was significantly lower than those treated with AGP. Additionally, serum calcium and magnesium concentrations were higher than the other groups, particularly with regard to AGP. The bone content with regard to calcium, phosphorus and magnesium in the groups treated with inulin was higher compared with the control; moreover, phosphorus and magnesium were higher than in the AGP group. The thickness of the mucosa and crypt depth in the caecum were significantly higher in rabbits treated with inulin than in the other groups, but especially compared with the AGP group. Also, triglyceride values were lower for rabbits treated with inulin/AGP than for those treated with AGP and the bone magnesium concentration was significantly higher compared with the control group. In addition, inulin was shown to have positive effects on the rabbit, promoting increase in bone and serum calcium, magnesium and phosphorus, decrease in triglyceride levels, and improvement in the caecum (changes in morphology, crypt depth and mucosal thickness).
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