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Articles by Dian Schatzmayr
Total Records ( 1 ) for Dian Schatzmayr
  Amedeo Pietri , Terenzio Bertuzzi , Gianfranco Piva , Eva Maria Binder , Dian Schatzmayr and Ines Rodrigues
  This study reports the results of an experiment, testing the aflatoxin B1 (AfB1) carry-over from naturally contaminated feed to the dairy cows’ milk in the absence and in the presence of a mycotoxin deactivating product-Mycofix® Plus (MPL). The study was carried out using 18 healthy animals divided into 3 homogeneous groups of 6 animals each. The experimental design was a 3x3 Latin square with three periods of 7 days each without washout periods. The treatments were: (1) control diet without MPL (CTR); (2) control diet with 20 g/cow/day of MPL (T1) and (3) control diet with 50 g/cow/day of MPL (T2). The diet was a Total Mixed Ration (TMR) and 1 kg of a naturally contaminated maize meal (AfB1 = 91.7 ± 4.4 μg kg-1) was included in the diet of each cow. Each animal ingested daily 97.3 μg kg-1 AfB1 since the analysis of the TMR before inclusion of the contaminated maize revealed however the presence of 0.24 μg kg-1 DM of AfB1, corresponding to 5.6 μg per cow per day. In T1 and T2 diets, MPL was mixed with the contaminated maize meal. Feed intake and individual daily milk production were recorded during the study. Morning and evening milk samples from each cow were collected on day seven of each week. Samples derived from individual cows were mixed in proportion to the morning and evening milk production and then again combined in proportion to the daily milk production of each cow to constitute a representative bulk milk sample of each group; these samples were analyzed to determine the aflatoxin M1 (AfM1) content. The addition of MPL did not influence feed intake and milk production. The addition of MPL to the diet reduced significantly (p<0.01) the milk AfM1 content from 0.120 μg kg-1 (CTR group) to 0.083 μg kg-1 (-31%, T1 group) and 0.072 μg kg-1 (-41%, T2 group).
 
 
 
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