Information about sexes of sheep at time of castration. Mortality of male lambs higher than that of females.
Showing 1–4 of 4 items
The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Information about sexes of sheep at time of castration. Mortality of male lambs higher than that of females.
Responds to questions about sex ratios at birth and mortality in either sheep or cattle before eighteen months.
Appends an eight-year list of lambs for CD’s private information.
Responds to questions about sex ratios at birth and mortality in either sheep or cattle.