. Ducks and geese; a valuable collection of articles on breeding, rearing, feeding, housing and marketing these profitable fowls. Ducks; Geese. WILL POULTRY THRIVE ON GRAIN ALONE? Abstract of Bulletin 149 of New York Cornell Station—Experiments Decisively in Favor of Animal Rations- Relative Efficiency and Economy of Animal and Grain Foods. BV JAMBS R. COVERT, OK THK, U. S. DEPARTMENT OF AGRICULTURE, WASHINGTON, D. C. ILL Poultry Thrive on Grain Alone?" is the title of the popular edition of Bulletin No. 149, recently issued by the New York Cornell Station, one of the stations conducting
. Ducks and geese; a valuable collection of articles on breeding, rearing, feeding, housing and marketing these profitable fowls. Ducks; Geese. WILL POULTRY THRIVE ON GRAIN ALONE? Abstract of Bulletin 149 of New York Cornell Station—Experiments Decisively in Favor of Animal Rations- Relative Efficiency and Economy of Animal and Grain Foods. BV JAMBS R. COVERT, OK THK, U. S. DEPARTMENT OF AGRICULTURE, WASHINGTON, D. C. ILL Poultry Thrive on Grain Alone?" is the title of the popular edition of Bulletin No. 149, recently issued by the New York Cornell Station, one of the stations conducting experiments with poul- try. It gives in simple language the details of an experiment in feeding poultry in which animal and vege- table protein are compared. The author says: "In feeding poultry, as in feeding other animals * * * the nitro- genous compounds are the most expensive * * * In cat- tle feeding, the shifting prices of the various by-products allow us to discriminate to our advantage in the purchase of protein, and a still wider difference separates the cost of the nitrogenous materials in the many poultry foods. Fowls. LOT A—SHOWING RESULTS OF FEEDING ANIMAL FOOD and ducks naturally eat considerable animal matter as well as vegetable foods. Can we economize here? Is the cheap protein of pea meal, oat meal, wheat bran, or linseed meal as efficient as that in the more expensive animal meal, dried blood, or fresh bone?" In the complete bulletin we note that "the natural animal foods eaten by fowls contain us- ually a high percentage of nitrogenous matter and not a large proportion of fat. * * * For instance, both earth worms and grasshoppers contain nearly ten times as much protein as fat, while ordinary fresh cut bone contains about equal amounts of protein and ; The time covered by the different experiments was di- vided into periods. In the trial with ducklings the periods were seven days each, except periods 1, 11 and 12, which were 5, 35
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