Statistics on proportion of sexes in lambs.
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Statistics on proportion of sexes in lambs.
Statistics on proportion of sexes of lambs.
WA explains the figures he sent GC. In his experience female lambs at the time of castration outnumber the males. [Robert] Elliot differs.
Sends replies on dogs – sexual differences and preferences.
Proportion of sexes in (new-born) lambs equal, but males more likely to die.
Proportion of sexes in lambs, before castration.
Number of lambs born not kept. Counted only at time of castration.
Proportion of sexes in cattle and rats.
Responds to questions about sex ratios at birth and mortality in either sheep or cattle before eighteen months.
Information about sexes of sheep at time of castration. Mortality of male lambs higher than that of females.
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.
On the proportion of sexes in lambs.