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Ciência Animal Brasileira

Print version ISSN 1518-2797On-line version ISSN 1809-6891

Abstract

RIBEIRO, Paulo Roberto et al. DIFFERENT LEVELS OF BETAINE IN RATION OF SWINE ON STRUCTURE AND ULTRA-STRUCTURE OF INTESTINAL MUCOUS. Ciênc. anim. bras. [online]. 2015, vol.16, n.4, pp.517-524. ISSN 1809-6891.  https://doi.org/10.1590/1089-6891v16i420777.

We evaluated the effects of increasing levels of betaine (0.0%, 0.1%, 0.2%, 0.3%) on small intestine structure. Fifty-two weaned piglets at 23 days of age and average weight of 5.4 kg were used. We studied four betaine levels and five slaughtered times with three days of interval, considering the weaning day as the initial day (zero day). We evaluated villi height and crypt depth. We observed significant differences (P<0.05) among treatments for villi height in duodenum and for crypt depth in ileum. Regarding post-weaning days, significant differences (P<0.05) in villi height and crypt depth occurred in the three intestinal segments analyzed.

Keywords : electron micrograph; nutrition; piglet; villous.

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