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Cystic Ovarian Degeneration (COD)

Different synonyms as cystic cow, cystic ovary. There are three types of cysts:

Follicular Cyst:
When follicle fails to ovulate after 7 days or more, it is cystic ovary. It may be multiple, unilateral or bilateral. Apparent cause is deficiency of Leutinizing hormone. Causes include high producing animals, hereditary predisposition, stress of any kind, endocrine imbalance. Animal shows intense type of anestrous and called as nymphomonia and exhibit irregular cycle.

Luteal Cyst:
In long standing case of follicular cyst they are changed into luteal cyst. Luteal cyst is formed if there is deficiency of LH. It will not be able to cause ovulation. In luteal cyst animals goes into anoestrous and from rectal examination follicle is thick walled and cannot be ruptured. In long standing cases female develop male like behavior due to endocrine imbalance and there are changes in body of female. They develop muscluine body, heavy neck and change in the voice and development of hump and relaxation of sacrosciatic ligaments and tail head is raised.

Cystic Corpora Leutea:
It is non pathological condition. Corpus luteum has depression which gradually fills but in this case the diameter of cavity is increased. It is very difficult to diagnose. The cycle is not disturbed.

Treatment of Follicular Cyst:

  • Give LH or LH like product

  • Manual removal of cyst is not recommended due to the disadvantage of bleeding and adhesions.

  • In case of luteal cyst give prostaglandin or any analogue of prostaglandin.



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