A Cineradiographic Study of Bottle Feeding

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Abstract
Cineradiographic films have been taken of babies, lambs and kid goats, taking a mixture of milk and barium from a bottle. The various types of teat supplied for feeding babies were comparatively ineffective when compared with the soft veterinary rubber teats used for feeding the animals; the performance of the babies was thus not so good as that of the lambs or kid goats. Our conclusions are: 1. The influence of gravity is important in bottle feeding. It ensures that the bulb of the teat fills. If the hole in the teat is large anough milk drips into the mouth; when rigid teats are used this may be the only way the child can obtain an adequate supply of milk. 2. The lambs and kid goats take one teat full of milk with each jaw and tongue movement; the neck of the teat is completely occluded by approximation of the jaws and the contents of the bulb are expressed into the mouth by elevation of the tongue towards the soft palate, the tongue indenting the bulb from before backwards. Babies usually attempt this ...

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