युद्धव्याधिजराकर्मक्षीणाः पिण्डगोचरिकाः स्युः ॥ कZ_०२.३०.२७ ॥
yuddhavyādhijarākarmakṣīṇāḥ piṇḍagocarikāḥ syuḥ
Horses worn down by war, disease, old age, or work shall be maintained on lump rations and allowed to graze (i.e., shifted to a low-intensity upkeep regime).
Both: it preserves residual value and reduces maintenance costs by moving unfit animals away from intensive feed and active duty, while avoiding sudden loss of state assets.