Does Doctor brown bottle really effective for removing gas as it claim? I got a fussy baby which I am having a hard time to feed each time due to too many gas

I'm using Avent now, and my baby really got very bad colic. The moment he swallow the first milk I can hear gas in his stomach and it is both stressful for baby and myself during every feeding as his face looks really painful . No matter how many burps and application of 'lu yi ' oil , though it may help to an extent , I just want to find out if the root cause is the milk bottle. Otherwise the last resort is to switch to another milk powder which is comfort to the stomach .