Artificially high Israeli prices due to cartels - What cartels are they talking about ?

Per this story it references the displeasure of Israeli citizens with high prices many say are due to cartels but the article does not identify the cartels.

What cartels are these? How do they operate?

This sort of answers your question. I cannot help with more specifics but perhaps it gives a clue.

There have been recent articles about import taxes or restrictions as well as antitrust exemptions for the dairy market.

Here’s a copy of an article from the Wall Street Journal: