हस्त्यश्वयोर्विशेषः कुलं जातिः सत्त्वं वयःस्थता प्राणो वर्ष्म जवस्तेजः शिल्पं स्तैर्यमुदग्रता विधेयत्वं सुव्यञ्जनाचारतेति ॥ कZ_१०.५.४२ ॥
hastyaśvayor viśeṣaḥ kulaṃ jātiḥ sattvaṃ vayaḥsthatā prāṇo varṣma javas tejaḥ śilpaṃ stairyam udagratā vidheyatvaṃ suvyañjanācārateti
The distinguishing criteria for elephants and horses are: lineage, breed, spirit, maturity of age, vitality, bodily build, speed, energy, training-skill, steadiness, high mettle, obedience, and good movement and conduct.
As an inspection checklist for acquisition and periodic review—rejecting animals that fail in obedience, stamina, or steadiness even if they have good lineage or size.