denotes the state of complete sexual inactivity, so no manifestation
of oestrous. It is not a disease but manifestation of various
conditions or sign of variety of conditions may be pathological or
physiological e.g. in pregnancy.
There are two types of anoestrus:
Reported and True Anoestrous:
Anoestrus may be true anoestrous or reported anoestrous. If owner or
attendant reports that his animal is not coming in oestrous, it is
Presence of corpus luteum indicates functional ovaries but if no
corpus luteum present
then it indicates non-cyclicity of animal. Based on this we will
declare the true anoestrous or reported anoestrous.
ovaries on which there is no corpus luteum are called as plain ovaries, non cyclic
ovaries and animal is called as non cyclic or in true anoestrous.
Treatment of Reported Anoestrus:
there is corpus luteum, give PGf2α; animal will come in heat after three days.
Improve the detection method. Based on ovarian picture tell the
owner that your animal will come on estrus on tentative date.
Treatment of True Anoestrous:
GnRH or FSH or PMSG which promotes the growth and maturation of
follicles. Whenever there is failure of follicular development that
will lead to anoestrus.