| 摘 要： | The different types of toxic substances that affect farm animals in Argentina are described. These substances include (a) toxic plants, such as Solanum glaucophyllum. Baccharis coridifolia, Festuca arundinacea; (b) mycotoxins, such as zearalenone, tremorgenic mycotoxins, and ergoalkaloid; (c) trace elements, such as fluorine, copper, molybdenum, and arsenic; and (d) others, such as toxic algae and pesticides. The direct and indirect economic loss of farm animals associated with these toxic substances in Argentina is roughly estimated at 50 million dollars a year. A number of recommendations are made to ameliorate the situation. 1989 Academic Press, Inc.
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