The Individual and Combined Effects of the Fusarium Mycotoxins Moniliformin and Fumonisin B 1 in Turkeys

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Abstract
Fumonisin B1 (FB1) and moniliformin (M) were supplied by Fusarium moniliforme M-1325 and Fusarium fujikuroi M-1214 culture material, respectively. Turkeys were fed a control ration, or rations containing 200 mg FB1/kg, 100 mg M/kg, or a combination of both 200 mg FB1/kg and 100 mg M/kg feed from 1 to 21 days of age. These rations contained 0, 3.8, 1.0, and 4.8% culture material, respectively. In comparison to controls, turkeys fed FB1 had increased relative liver weights. Both aspartate aminotransferase and lactate dehydrogenase were increased in poults fed FB1. Turkeys fed M had decreased feed intake and body weight gains and increased relative heart weights in comparison to controls. Poults fed FB1 had moderate diffuse hepatocellular hyperplasia and poults fed moniliformin had a loss of cardiomyocyte cross striations. Turkeys fed the ration containing both M and FB1 had all the above changes; however, no additive or synergistic effects were evident for any single parameter measured. No treatment-related morbidity or mortality was observed in the study.

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