No it is not ok. It is not OK. All advantages of breast feeding are deleted.  They are prone to infection. They lose chance of security and bondage. When they suck, more is production of breast feed. Pleaese follow my valuable advice. You will be missing the touch of tender hands on your breast or chest. which is a source of joy. Any other time I will tell you other benefits.

Bottle feeds require a lot of care in sterilisation. Also breast feeds help in bonding with your child and increase milk production. But if you are comfortable, you can give expressed breast milk with bottles- as long as you re sterilising peppery, before every feed