ĀpŚS, 18, 19, 2.1 brāhmaṇarājanyavaiśyaśūdrāś catvāras tadyogāḥ paṣṭhauhīṃ vidīvyanta odanam udbruvate //

ŚBM, 5, 2, 2, 4.2 tasyodbruvīta tasya nāśnīyād yāvajjīvaṃ tathā nāntam eti tathā jyog jīvati sa etasya sarvasyānnādyasya saṃbhṛtasya sruveṇopaghātaṃ vājaprasavīyāni juhoti tad yābhya evaitad devatābhyo juhoti tā asmai prasuvanti tābhiḥ prasūta ujjayati tasmād vājaprasavīyāni juhoti //