Abstract
Congenital or acquired abnormalities in genital tracts of ewes leading to sterility, which cannot easily to be identify by routine clinical examination. Reproductive tracts abnormalities regarded as a major causes lead to loss of sheep production. This study aimed to examine reproductive tracts in slaughtered ewes grossly and microscopically. This study was conducted on 270 genital tracts of non-pregnant ewes at Khanky slaughterhouse in Duhok province. Samples were collected within the period from September 2019 to March 2020. The results showed that 24.1% exhibited acquired abnormalities and 75.9% were exhibited normal. The rate of uterine abnormalities was about 3.3%, ovarian abnormalities comprised 17.8% and oviduct abnormalities were 3.0%. The most common pathological conditions of the uterus were endometritis at rate 2.2%, hydrometra (pseudopregnancy) and mummifies foetus at rate 0.4% and 0.4%, respectively. In the ovary, the common abnormalities were ovarobusral adhesion 14.4%, ovarian cysts 1.1% and Para ovarian cysts 0.4%. The abnormalities of the oviduct were uterine tubes obstruction 2.6%, followed by hydrosalpinx 0.7%. It is concluded that pathological lesions, such as endometritis, ovarian cysts and hydrosalpinx in ewes could result in infertility or sterility of the ewes leading to economic losses to farmers.
Highlights
Genital tracts abnormality in ewes regarded as an important factor causing subfertility or infertility cannot be determined by routine clinical examination
It is concluded that pathological lesions, such as endometritis, ovarian cysts and hydrosalpinx in ewes could result in infertility or sterility of the ewes leading to economic losses to farmers
This study aimed to investigate macroscopic and microscopic lesions of the genital tract abnormalities in ewes slaughtered at local abattoir of Duhok province, Iraq
Summary
Genital tracts abnormality in ewes regarded as an important factor causing subfertility or infertility cannot be determined by routine clinical examination. Local small ruminants breed (ewes) at Duhok province is fertile. The common abnormalities in the genital tract are ewes have been reported in the previous studies are Para-ovarian cyst, follicular cysts, hydrosalpinx, salpingitis and ovarobursal adhesion (3). It has been reported that abattoirs regarded as an important way to obtain the sort of genital tract lesions and the incidence of abnormalities of genital tracts (1). It should be noted that, there are not enough information available on the cause of infertility and female genital tracts abnormality in small ruminants in Duhok province. This study aimed to investigate macroscopic and microscopic lesions of the genital tract abnormalities in ewes slaughtered at local abattoir of Duhok province, Iraq
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