Gerald Ryan believes he may have the heir apparent to leading sire Snitzel on his hands.

Snitzel's son out of multiple Group One winner Alinghi fetched $1.8 million on the second day of the Easter Yearling Sale in Sydney.

Ryan trained Snitzel to win the 2006 Oakleigh Plate and has developed a reputation with his progeny.

The second highest lot sold on Tuesday went to a group which includes Snitzel's original owner Damion Flower.

"I saw him in December and went back to see him again about six weeks ago," Ryan said.

"I told Damion we might have found our next stallion.

"He is one of the best colts in the sale, on type and on pedigree."

The colt was knocked down to David Raphael who will race him in partnership with Flower along with Neil Werrett and Steve McCann who raced the Ryan-trained Group One winner Snitzerland.

Raphael started the bidding at $1 million and outlasted Shadwell's Angus Gold.

Another Snitzel colt topped the session with Tim Stakemire, the agent for Sheikh Mohammed bin Khalifa Al Maktoum, signing at $2.2 million for the brother to Group One winner Sizzling out of Admirelle.

A colt by Sepoy out of Group One winner Ancient Song set what is believed to be an Australian record for a first season sire when bloodstock agent James Harron paid $1.6 million.

The other three lots to top the million dollar mark were a $1.75 million Fastnet Rock filly out of Candlelight, a Fastnet Rock colt out of Wiener, a half sister to Snitzel, and a Redoute's Choice-Weekend Beauty filly which fetched $1.1 million.

Auctioneer William Inglis and Son managing director Mark Webster said the results were pleasing.

"Last year the total sale for the three days was $83 million and we are already over this at the end of day two at $85 million," Webster said.

The average at the end of the second day was $299,666.

The sale continues on Thursday.