J. Anim Sci.
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J. Anim Sci. 1979. 48:280-285.
© 1979 American Society of Animal Science
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A Comparison between Terminal and Rotational Three-Way Crosses in Mice1

Donald P. Doolittle2 and S. P. Wilson3

Purdue University and United States Department of Agriculture, West Lafayette, IN 47907

Abstract

Terminal and rotational three-way crosses among three stocks of mice were compared with regard to reproduction, body size, and total biomass produced. The rotational cross produced more but smaller offspring than the terminal, except in those generations where the same male was used in the rotational as in the terminal cross. As a result, the total biomass produced was approximately the same under both systems. Rotational crosses were, however, more variable between generations than terminal crosses.

Footnotes

1 Journal Paper No. 7099, Purdue Agricultural Experiment Station.

2 Department of Animal Sciences, Purdue University.

3 North Central Region, ARS, USDA; present address, Office of the Dean and Director, School of Agriculture, Auburn University, Auburn, AL.






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Copyright © 1979 by the American Society of Animal Science.