. Commercial poultry raising;. Poultry. BLOODY EGGS 405 cause; and such an egg is termed a bloody egg. When boiled, such eggs appear brownish, and they are distinctly unappetizing-. Fertile egg allowed to die after 36 hours of Infertile egg after 36 hours of incubation, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Roberts, Howard Armstrong, 1885- [from old catalog]. Philadelphia, D. McKay

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpoultry, bookyear1920