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PRODUÇÃO ANIMAL • Ciênc. anim. bras. 16 (4) • Oct-Dec 2015 • https://doi.org/10.1590/1089-6891v16i420777 linkcopy

Open-access DIFFERENT LEVELS OF BETAINE IN RATION OF SWINE ON STRUCTURE AND ULTRA-STRUCTURE OF INTESTINAL MUCOUS

AuthorshipSCIMAGO INSTITUTIONS RANKINGS

    Abstract

    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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    Universidade Federal de Goiás Universidade Federal de Goiás, Escola de Veterinária e Zootecnia, Campus II, Caixa Postal 131, CEP: 74001-970, Tel.: (55 62) 3521-1568, Fax: (55 62) 3521-1566 - Goiânia - GO - Brazil
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