The Use of Condensed Fish Solubles in Poultry Nutrition

CHICKENS THE use of condensed fish solubles in poultry rations is of comparatively recent date. The favorable results obtained by the authors and others, such as, Berry et al. (1945), Cravens et al. (1945), and Pratt et al. (1945), when using this product in poultry rations, would seem to warrant a further study of its use in poultry nutrition. Furthermore, approximately twenty million pounds of condensed fish solubles were produced on the Pacific Coast last season and used throughout the nation. Condensed fish solubles is a brown, semi-viscous liquid, usually of a somewhat fishy but pleasant odor similar to the characteristic meat extract odor. A typical analysis of this material, as produced on the Pacific Coast from the pilchard, is shown in Table 1. This analysis supplies a partial answer only as to why fish solubles is of value as a feed ingredient. In order to further test the influence . . .