Background:
Cystic ovarian degeneration (COD) is considered to be one of the most important causes of reproductive failure in cattle and due to this disease, there is an increase in inter calving interval, reduced milk production, and increased culling rate which aggravates the economic loss to the farmers. The incidence of ovarian follicular cysts in dairy cattle has been reported to be from 5.6 to 18.8%. Prior to the advent of hormonal preparations, manual rupture of the cyst during rectal palpation was practiced to treat cyst conditions. This method of treatment cannot be recommended because it can cause ovaro-bursal adhesion. Hormones that could induce ovulation like GnRH, hCG, and also now people are using CIDR/PRID along with GnRH and prostaglandin treatments. These treatments are costly and varying results were reported. It was reported that emptying of cystic fluid may be advantageous.:
Technology Details:
As it is reported that emptying the cyst increased the success of COD treatment in a few places in India and also abroad Veterinarians use Trans-vaginal ultrasonography-guided follicle aspiration unit for cyst ablation/aspiration. But such costly assembly could not be used under field conditions as it requires technical expertise, power supply, and also transport of such machine is difficult. Therefore, a low-cost, handy device has been made for cyst ablation to reduce the cost of treatment and also the duration of recovery. In a pilot study involving 25 cases result revealed that treatment with buserelin after needle aspiration of the cyst, produced an overall recovery rate of 75.6% within 30 days of treatment and a conception rate of 64.7%.