| 摘要 |
The disclosure relates to a method in the practice of animal husbandry which comprises the oral administration to ruminant animals of a benzo[1,3]dioxin derivative. The disclosure also relates to compositions containing such benzo[1,3]dioxin derivatives either in a form suitable for direct feeding to animals, or in the form of a concentrated premix; and to certain of the benzo[1,3]dioxin derivatives used in the method of the invention which are novel compounds. |
