PLEASE HELP:

my daughter was very picky about what bottle she would take. I've finally found one that she'll take and yet I can only get her to drink from it once a day. She'll scream every other time I try to introduce her to it. Shell just scream with it in her mouth without eating from it whatsoever. Then I give up and put her on the boob. Please help. I go back to work in 1 month and I need her to be able to take around 5 a day (I work 12 hour shifts).