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Title: CORRELATION OF MONILIFORMIN, BUT NOT FUMONISIN B1 LEVELS IN CULTURE MATERIALS OF FUSARIUM ISOLATES TO ACUTE DEATH IN DUCKLINGS

Author
item Vesonder, Ronald
item WU, WEIDONG - UNIV OF WI, MADISON, WI

Submitted to: Poultry Science
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 8/27/1997
Publication Date: N/A
Citation: N/A

Interpretive Summary: Two substances called moniliformin and fumonisin are found in the USA corn crop and are produced in the corn by a mold called Fusarium. Young ducklings were used to develop a rapid bioassay based on the amounts of moniliformin to kill the ducks in two days. The amount of pure moniliformin to kill the ducks were correlated with amounts of moniliformin contained in rice fermented with molds that produce moniliformin. The toxin fumonisin did not kill the ducks even with high amounts. This information may be useful to toxicologists working with poultry.

Technical Abstract: Five isolates of Fusarium moniliforme and two isolates F. proliferatum of the Section Liseola were each fermented on rice for 21 days at 25 deg C. Each Fusarium fermented rice when dried and mixed into a poultry diet (10% by weight) caused a varied degree of acute mortality in baby Pekin ducklings. The acute (death in less than 48 hr) mortality correlated significantly only to the amount of moniliformin in fermented rice, thus in diet; but not to the amount of fumonisin B1 in fermented rice. This correlation of moniliformin concentration and non correlation of fumonisin B1 concentrations to acute toxicity are confirmed by duckling assay using diets containing these purified mycotoxins also.