Food again ought to be taken day after day morning and evening. Again the Shruti says that aniinals and grain form the limbs of Sacrifice.
तथैवान्नं ह्यहरहः सायंप्रातर्निरूप्यते। पशवश्चाथ धान्य च यज्ञस्याङ्गमिति श्रुतिः॥