Which of the following is true about ISO 2002 method for Salmonella detection
1
Selenite cystine broth is replaced by Muller Kauffman tetrathionate novobiocin broth
2
Rappaport vassiliadis broth has been replaced by Rappaport Vassiliadis Soya broth
3
XLD is the first isolation medium rather than BGA
4
All of these