References
- Carter , T. C. 1968 . The hen's egg: estimation of egg mean and flock mean shell thickness . Br. Poult. Sci. , 9 : 343 – 357 .
- Carter , T. C. 1970 . The hen's egg: some factors affecting deformation in statically loaded shells . Br. Poult. Sci. , 11 : 15 – 38 .
- Frank , F. R. , Swanson , M. H. and Burger , R. E. 1964 . The relationships between selected physical characteristics and the resistance to shell failure of Gallus domesticus eggs . Poult. Sci. , 43 : 1228 – 1235 .
- Mašić , B. , Petrović , D. , Šrajber , L. and Žigić , L. 1966 . Measurement of egg shell deformation and its relation to weight and shape index . Contemporary Agriculture—Novi Sad , 14 : 39 – 45 .
- Mueller , W. J. , Maw , A. J. G. and Buss , E. G. 1960 . The influence of season and age of layers on egg weight, shape index, albumen quality and shell thickness . Poult. Sci. , 39 : 854 – 860 .
- Rauch , W. 1971 . Kraft‐Dehnungsmessungen an Hühnereiern mit Hilfe von Dehnungsmesstreifen zur Beurteilung der elastischen Verformbarkeit von Eischalen . Arch. Geflügelk. , 35 : 57 – 62 .
- Richards , J. F. and Swanson , M. H. 1965 . The relationship of egg shape to shell strength . Poult. Sci. , 44 : 1555 – 1558 .
- Romanoff , A. L. and Romanoff , A. J. 1949 . The Avian Egg , 106 New York : Wiley‐Chapman .
- Schoorl , P. and Boersma , H. Y. . Research on the quality of the egg shell . 12th Wld's Poult. Congr. . Sydney. pp. 432 – 435 .
- Tung , M. A. , Staley , L. M. and Richards , J. F. 1968 . Studies on egg shell strength, shell stiffness, shell quantity, egg size and shape . Br. Poult. Sci. , 9 : 221 – 229 .