Abstract
Inulin, a linear β-fructan, is present in a variety of plants, with relatively high levels of up to 20% in chicory root. It exhibits prebiotic properties and was shown to enhance mineral absorption. Our objectives were to assess the effect of intra-amniotic administration of inulin at 17 d of incubation on the iron status of broiler chicks (at hatch, 21 d) and to continue to monitor iron status with and without dietary inulin on these hatchlings for 42 d. The study included 3 prehatch treatment groups (n = 30): 1) inulin, inulin solution (4% inulin/0.85% saline); 2) control 1, untreated eggs; and 3) control 2, saline solution (0.85% saline). Solutions were injected into the naturally consumed amniotic fluid of 17-d-old chicken embryos (groups 1, 3). Upon hatch (93% hatchability), and from each group, 10 chicks were killed and their small intestine, liver, and cecum were removed for mRNA abundance of intestinal iron-related transporters, liver ferritin amounts, and bacterial analysis of cecal content, respectively. From the remaining chicks of each group, chicks were allocated to a standard corn-based diet (± 4% inulin, n = 10). During the trial, hemoglobin concentrations and body hemoglobin-Fe values were higher in the inulin g...Continue Reading
Citations
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