(1) Ten female native goats were mated to, or artificially inseminated with
semen from a number of highly fertile sheep-rams during four breeding seasons.
(2) There was great difficulty in obtaining fertilisation, but four of the ewes
became pregnant; of these three aborted, while the foetus of the other died and
underwent maceration. The pregnancy in each case terminated before the end of
the normal gestation period.
(3) The possibility of fertilisation occurring, followed by embryonic death
and abortion, is not excluded. In fact it is supported by the irregular and long
dioestrous periods experienced by the ewes.
(4) Sexual activity was usually confined to the months January to August,
but in a few cases oestrus appeared at irregular intervals throughout the year.
(5) At death or slaughter, during the usual anoestrous season, seven of the
ewes showed ovarian inactivity, two showed hydrometra and one showed foetal
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