Najafi Q&A: Ritual Slaughtering

May a father offer one sacrifice on behalf of his entire family?

Is it sufficient to pay the value of the sacrifice (udhiyah) to those in need instead of actually offering the sacrifice?

Is it permissible to purchase the sacrifice before the month of Dhu al-Hijjah and slaughter it on Eid?

What is the ruling on offering a sacrifice (Udhiya) on behalf of the deceased? Is it recommended?

Does the Udhiyah suffice in place of the Aqeeqah?

Is it a condition for the recommended sacrificial animal (Udhiyah) that it should not be lame, one-eyed, or have other defects that are disqualifying for the Hadi (sacrificial animal for Hajj)?

Is it permissible that the price of the recommended sacrifice (Qurban) to be sufficient in such a way that there is a price for meat, neck and liver, where the total cost of these parts is collected and paid to the butcher? Or, should we buy an entire animal with a lump sum price which the two parties agree upon?

Some associations collect sums of money to slaughter sacrifices (Qurnban) for them after taking the permission from them to dispose of these sacrifices. Is it permissible for the association to sell these sacrifices and distribute the money to the poor, or not?

Is it required for the sacrifice of the deceased to be seven sacrifices and be sacrificed every sacrifice in a different year?