Effects of dietary fumonisins on nutrients digestibility in weanling pigs

Abstract

Submitted 2020-06-15 | Accepted 2020-07-01 | Available 2020-12-01

https://doi.org/10.15414/afz.2020.23.mi-fpap.23-28

The aim of the study was to ascertain the potential effects of fumonisins on nutrients’ digestibility in the gastrointestinal tract. Eighteen (n= 6 x 3) weanling pigs from the age of 35 days were administered 0, 15 or 30 mg/kg dietary fumonisins (FB1, FB2 and FB3) for a period of 21days, after an acclimatization period of 14 days. Titanium dioxide (0.5%) was added as indigestible marker to the feed and representative fecal samples were taken during a 5-day collection period in order to determine the digestibility of crude protein, crude fat, crude fiber, starch, ash, calcium, phosphorus and energy. The final body weights, cumulative feed intake and relative organ weights of all groups were were not influenced by treatment (p>0.05). Digestibility of energy, crude fiber, ash, calcium and phosphorus were significantly higher (p<0.05) in the control group relative to either 15 or 30 mg/kg treated pigs. These findings suggest that fumonisins in a dose of 15 or 30 mg/kg potentially distorts total tract nutrient digestibility in weanling pigs and thus, compromise the nutritive value of the mixed feed.

Keywords: fumonisins, pigs, gastrointestinal tract, nutrients digestibility

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