A calf bottle is characterized by an improved neck design which prevents deposits and microbes from collecting therein. The bottle is in the form of a hollow container having top, side and bottom walls which define a chamber for receiving formula for feeding calves. The top wall includes a neck portion having a central opening and an annular lip surrounding the opening for receiving a removable nipple. The inner wall of the neck portion has a cylindrical configuration of constant diameter.
1. A nursing bottle for calves, comprising
a blow-molded synthetic plastic container including top, side, and bottom walls defining a chamber, said container including a neck portion extending from said top wall and containing an opening communicating with said chamber, said neck portion including
(a) an outer annular lip surrounding the opening for attachment of a nipple; and
(b) a generally cylindrical inner wall surface having a constant diameter and finished to a degree of smoothness of no greater than four microns, said neck portion having a thickness greater than the thickness of said top, side and bottom walls, said neck inner wall surface preventing deposits and bacteria from collecting in the neck portion of said container.
2. A nursing bottle as defined in claim 1 , wherein said bottom wall includes a plurality of spaced protrusions extending therefrom to assist in leveling the bottle when it is placed on a horizontal surface.
3. A nursing bottle as defined in claim 2 , wherein said container includes four side walls and has a generally square horizontal cross-sectional configuration.