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Six Figures
Department of Dairy Science, University of Illinois, Urbana
A study was made to determine the effect of incipient vitamin A deficiency, i.e., the deficiency before visible symptoms occur, on the early stages of reproduction in the female rabbit. The vitamin A deficiency did not reduce decidua formation after the insertion of a thread into the uteri of mated females. The deficiency did, however, produce premature degeneration of ova and reduced the number of fertilized ova at 40 hours and 4 days post coitum.
2 Present address: University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, England.
Manuscript received 18 September 1953.