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| Effect of feeding intact brown seaweed Ascophyllum nodosum on some digestive parameters and on iodine content in edible tissues in pigs Dierick, N.; Ovyn, A.; De Smet, S. (2009). Effect of feeding intact brown seaweed Ascophyllum nodosum on some digestive parameters and on iodine content in edible tissues in pigs. J. Sci. Food Agric. 89(4): 584-594. https://dx.doi.org/10.1002/jsfa.3480
In: Journal of the Science of Food and Agriculture. Wiley: London. ISSN 0022-5142; e-ISSN 1097-0010, meer
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RESULTS:In vitro investigations revealed a statistically significant depressive effect of seaweed on pig gut flora, especially on Escherichia coli. In vivo, seaweed (10 g kg-1) had a reducing effect on the E. coli load in the stomach (P = 0.07) and small intestine (P < 0.05), while the lactobacilli/E. coli ratio was enhanced (P < 0.05) in the small intestine, indicating a beneficial shift in the microbial population. Statistically significant increases (P < 0.001) in iodine content were noted for several tissues in piglets on seaweed (20 g kg-1, corresponding to 10 mg iodine kg-1 feed) compared with the control diet (1 mg iodine kg-1 feed). CONCLUSION: Intact A. nodosum brown seaweed may be introduced in pig nutrition as a feed material with a double strategy: improvement of pig gut health and performances and iodine enrichment of porcine tissues. This feeding strategy may alleviate, but not solve, the actual iodine deficiency in Belgium. |
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