सर्पव्यालत्रासनार्थं गोचरानुपातज्ञानार्थं च त्रस्नूनां घण्टातूर्यं च बध्नीयुः ॥ कZ_०२.२९.२२ ॥
sarpavyālatrāsanārthaṃ gocarānupātajñānārthaṃ ca trasnūnāṃ ghaṇṭātūryaṃ ca badhnīyuḥ
蛇や猛獣を威嚇し、また放牧路に沿う動きを把握するため、臆病な(家畜)には鈴や鳴り物を取り付けるべきである。
They are both deterrents (noise repels predators) and monitoring devices (sound reveals herd location and abnormal movement).
Practical, inexpensive controls (upāya) embedded in routine operations to reduce risk without heavy manpower.