This direct quotation can be stated as an indirect quotation. Also, this can be stated in active form. Alternate translation: "servants, ordering them to tell those whom he invited, 'See ... feast.'" (See: [[rc://en/ta/man/translate/figs-quotations]] and [[rc://en/ta/man/translate/figs-activepassive]])
It is implied that the animals are cooked and ready to eat. This can be stated in active form. Alternate translation: "My servants have killed and cooked my oxen and my fattened calves" (See: [[rc://en/ta/man/translate/figs-explicit]] and [[rc://en/ta/man/translate/figs-activepassive]])