Abstract: A. The present invention is directed to feeding devices for nursing infants; such as feeding bottles.B. The feeding assembly of the present invention is of the type comprising a container, a teat and means for fixing the teat on the container, which is distinguished in that a number of containers and/or bottoms thereof and/or pre-pierced or slit teats, and the means for fixing the teats on the containers, are stacked one upon the other, the stacking of the containers and/or bottoms and/or pre-pierced or slit teats and fixing means being such that the removal from the stack of a container and/or a teat and a fixing means does not reduce the sterile condition of those remaining in the stack.C. Thus, feeding devices and feeding bottles of the type comprising a container, a teat and means for fixing the teat on the container are provided.