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Browsing 1950 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 24, 1950 by Author "De Lange, M."
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De Lange, M.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
(1) Twenty-five beef heifers were subjected to delayed breeding up to ages
varying from four years to five years eight months.
(2) Observations on body-weights, age of sexual maturity, the periodicity and
duration of ...