Mahabharata Anushashan Parva chapter 88 narrates the discussion between Dharmaraj Yudhishthira and Pitamah Bhishma about what food one should offer to Pitris (ancestors) during the Shraddha (ceremony of dead) to keep them satisfied. Paragraph reads as follows: "Yudhishthira said, "O thou of great puissance, tell me what that object is which, if dedicated to the Pitiris (dead ancestors), become inexhaustible! What Havi, again, (if offered) lasts for all time? What, indeed, is that which (if presented) becomes eternal?" "Bhishma said, "Listen to me, O Yudhishthira, what those Havis are which persons conversant with the rituals of the Shraddha (the ceremony of dead) regard as suitable in view of Shraddha and what the fruits are that attach to each. With sesame seeds and rice and barely and Masha and water and roots and fruits, if given at Shraddhas, the pitris, O king, remain gratified for the period of a month. With fishes offered at Shraddhas, the pitris remain gratified for a period of two months. With the mutton they remain gratified for three months and with the hare for four months, with the flesh of the goat for five months, with the bacon (meat of pig) for six months, and with the flesh of birds for seven. With venison obtained from those deer that are called Prishata, they remaingratified for eight months, and with that obtained from the Ruru for nine months, and with the meat of Gavaya for ten months, With the meat of the bufffalo their gratificatio
