guter Zustand, Gebrauchs- und Alterungsspuren: ehemaliges Bibliotheksexemplar, Vorsatz und Titel mit je 2 Stempeln und Nummern - Seitenschnitt gebräunt / vergilbt und teils leicht fleckig- Seiten sauber und ordentlich - leicht unfrischer Geruch - untere Einbandecken etwas gestaucht, dadurch auch Seiten teils etwas eselsohrig, erschien aller 2 Monate, Buch enthält alle 6 Ausgaben des Jahres 1946 als Beispiel für den Inhalt der des ersten Heftes: - The Artificial Control of Egg Production    G. O. Hall - Plumage Development in Chickens    Robert Penquite, R. B. Thompson, and V. G. Heller - Goiter in Domestic Pigeons    W. F. Hollander and Oscar Riddle - A Short Period for Obtaining R.O.P. Egg Weights E. E. Schnetzler - A Study of the Relationship Between the Iris Color of the Dam and the Mortality of Her Progeny      R. F. Ball and R. K. Cole - Growth Inhibition of Chicks on Rations Containing Corn Grits    P. S. Sarma and C. A. Elvehjem - Observations on an Unidentified Feather-Pigment Factor Necessary for Chickens Fed Purified Diets    George M. Briggs - The Comparative Requirements of Chicks and Turkey Poults for Riboflavin    F. H. Bird, V. S. Asmundson, F. H. Kratzer, and S. Lepkovsky - Effect of Dietary Level of Soybean Meal on Hatchability    D. Whitson, H. W. Titus, and H. R. Bird - An Evaluation of the Toxicity of Certain Sulfonamides for Young Chickens    Paul A. Mattis, S. E. McKinney, Elizabeth A. Patch, and Ethel L. Williams - Semen Production in Broad Breasted Bronze Turkeys Jesse E. Parker - The Effect of Selection of Chicks Upon Variability in Growth Data J. B. O'Neil - Effect of Tung Meal in Rations for Growing Chicks     George K. Davis, N. R. Mehrhof and R. S. McKinney - Studies on the Pyridoxin Requirements of Laying and Breeding Hens    W. W. Cravens, E. E. Sebesta, J. G. Halpin, and E. B. Hart - Research Notes - The Effect of Sudden Changes of Feed upon Production J. B. O'Neil - Abnormal Blackening of the Feathers of New Hampshire Chicks as the Result of Vitamin D Deficiency    E W Glazener, J. P. Mattingly, and G. M. Briggs - Effect of Withholding Feed and Water on Early Poult Mortality and Growth W. T. Chilson and H. Patrick - Value of High Levels of Calcium Pantothenate and Pyridoxine Hydrochloride in Chick Diets Free of Animal Protein    H R  Bird and Max Rubin - The Effect of Vitamins D2 and D3 in Fish Oils and of lodocasein of Shell Quality H. S. Gutteridge and Jean M. Pratt - The Influence of Gelatin on Prevention of Perosis in Turkeys Fed Choline and Betaine James McGinnis - The Effect of Gelatin on the Antiperotic Properties of Choline, Betaine and Yeast H. L. Lucas, L. C. Norris and G. F. Heuser - News and Notes - Book Review, Leinen, ca. 17 x 26, 656 Seiten mit einigen Bildern und Diagrammen