Lambs and kids, for either of these might be used for the paschal-offering, Exodus 12:5. Three thousand bullocks, which were to be offered after the lambs, upon the several days of the feast of unleavened bread.
Related Commentaries of 2 Chronicles 35:7
2 Chronicles 35:7
7 And Josiah gavea to the people, of the flock, lambs and kids, all for the passover offerings, for all that were present, to the number of thirty thousand, and three thousand bullocks: these were of the king's substance.