The offending of a woman who sold her daughter for sex 1000 times, has been described by a Crown prosecutor as without precedent.

Kasmeer Lata is one of just three people in New Zealand's legal history to be convicted of dealing in slaves. 

She's been jailed for six years and 11 months, after using her daughter as a prostitute to help feed her family - selling her body for the first time on her 15th birthday.

READ MORE: How teen sold as sex slave unmasked her mother

Caller Ian, who owns a brothel, spoke to Andrew Dickens about how widespread cases like this are in New Zealand.

LISTEN ABOVE AS CALLER IAN AND ANDREW DICKENS SPEAK ABOUT NZ'S PROSTITUTION REFORM