Vol. 9, Special Issue 9 (2020)

Author(s):
B Satya Prasad, Manda Srinivas, G Venkata Naidu and V Vaikunta Rao

Abstract:
The cervical canal of the ewe does not allow easy transcervical passage of insemination instruments during artificial insemination and embryo transfer programmes. The purpose of the present study was to examine, the gross structure of the cervix in ewe lambs and adult ewes of Nellore sheep breed popular in Andhra Pradesh. Reproductive tract was incised within 15 minutes of slaughter of ewe lambs and adult ewes. The cervical canal was filled with silicone sealant and moulds were obtained from 6 ewe lambs and 6 adult ewes in follicular phase of estrous cycle. The results were showed a significant difference (P<0.01) in the length (cm), weight (gm), number of folds (cm), height of fold, diameter of fold (cm), internal diameter of fold (cm) and distance from os to folds (cm) between the ewe lambs and adult ewes.