4Punnett RC, Bailey PG. Genetic studies in pouhry Inheritance of egg -colour and broodiness [J].J Genet, 1920, 10: 277-292. 被引量:1
5Benjamin EW. A study of selections for the size, shape,and color of hen" s eggs [J]..New York Agricultural Experiment Station Memoir, 1990, 31: 195-312. 被引量:1
6Polin D. Formation of porphyrin from delta- aminolevulenic acid by uterine and liver tissue from laying hens [J]. Proe Soc Exp Biol Med, 1957, 94(2): 276-279. 被引量:1
7Baird T, Solomon S K Tedstone D 1 Loealisation and characterisation of egg shell porphyrins in several avian species[J].Br Poult Sci, 1975,16(2): 201-208. 被引量:1