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Vol. 10, Special Issue 11 (2021)

Different types of external OS, ease of penetration at artificial insemination and conception rate in native sheep breeds of Karnataka

Author(s):
Nischitha BM, G Sudha, Narasimha Murthy and V Jagadeeshwary
Abstract:
The present study was carried in native sheep breeds Karnataka, in villages located in and around Bangalore. The purpose of the current study was to identify different types of external os of the cervix during the process of artificial insemination. During this study 180 non pregnant ewes were selected for the insemination process using short term progesterone treatment protocol. In the selected ewes different shapes of external cervical os was identified such as Rose of 55 (30.00%), Flap of 80 (44.00%), Slit 33 (18.00%) and Duckbill 12 (7.00%) and recorded pregnancy in 14 ewes with Rose, 9 in flap type, 9 with slit shape and 3 with duckbill shape. The ease of penetration of AI gun was better in Rose, Flap followed by slit and Duckbill types of external os. The pregnancy rate was mainly influenced by the depth of penetration and variation in the type of the external cervical os was influenced by the age of the animal and also the parity.
Pages: 2587-2588  |  223 Views  47 Downloads
How to cite this article:
Nischitha BM, G Sudha, Narasimha Murthy and V Jagadeeshwary. Different types of external OS, ease of penetration at artificial insemination and conception rate in native sheep breeds of Karnataka. The Pharma Innovation Journal. 2021; 10(11S): 2587-2588.

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