National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The cytogenetic study was conducted on total 30 breeding bucks of Osmanabadi and Boer breed (15 of each) to find out chromosomal abnormalities and to study QFQ- banding pattern of the chromosomes. Short term lymphocyte culture technique was used for the display chromosomal metaphases. The few slides were conventionally stained with 4 per cent giemsa stain and some were subjected for QFQ banding. The modal diploid chromosome number was 2n=60 for breeding bucks of Osmanabadi and Boer breed of goat. There were 29 pairs of autosomes and one pair of sex chromosome in complement. The X chromosome was the largest acrocentric chromosome whereas the Y chromosome was the smallest dot like in majority of the metaphase examined however in few metaphases it was found to be sub metacentric in morphology. The QFQ banding pattern was obtained by using 0.5 per cent Quinacrine dihydrochloride solution for 20 minutes and karyotype was prepared as per ISCNDB, 2000. However, it was noted that the goat chromosome do not present the brilliant fluorescence. No marked chromosomal abnormalities were observed in the present study.
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