E-ISSN 2683-5961 | ISSN 2354-1814
 

Research Article 


Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758)

Olaoluwa John Ademola, Ibrahim Babatunde, Olapeju Adekemi Olaniyan.

Abstract
Karyotypic analysis is a valuable tool in species identification in birds. This work was aimed at determining the karyotype of Gallus gallus domesticus (cockerel). Nine samples obtained from a commercial farm in Kwara State, Nigeria, were karyotyped using the air-drying method. The specimens received 1 ml of colchicine (0.04% w/v) intraperitoneally and left for 3 h before they were sacrificed. Chromosomal preparation was from the bone marrow of the femur and humerus. A total of 180 spreads were examined under microscope at x1000 magnification. A modal diploid number of 2n = 78 with percentage occurrence of 47.22% was obtained. The karyotypic formula was found to be 2n = 1M + 10m + 6sm + 61t. Chromosomal aberrations were not observed during scoring. This karyotypic data on G. gallus domesticus provides information that could be helpful for species identification and breeding purposes.

Key words: Cockerel, Gallus gallus domesticus, Karyotype, Chromosome, Air-drying method


 
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How to Cite this Article
Pubmed Style

Ademola OJ, Babatunde I, Olaniyan OA. Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equijost. 2020; 7(1): 1-5.


Web Style

Ademola OJ, Babatunde I, Olaniyan OA. Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). http://www.equijost.com/?mno=68782 [Access: July 28, 2020].


AMA (American Medical Association) Style

Ademola OJ, Babatunde I, Olaniyan OA. Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equijost. 2020; 7(1): 1-5.



Vancouver/ICMJE Style

Ademola OJ, Babatunde I, Olaniyan OA. Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equijost. (2020), [cited July 28, 2020]; 7(1): 1-5.



Harvard Style

Ademola, O. J., Babatunde, . I. & Olaniyan, . O. A. (2020) Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equijost, 7 (1), 1-5.



Turabian Style

Ademola, Olaoluwa John, Ibrahim Babatunde, and Olapeju Adekemi Olaniyan. 2020. Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equity Journal of Science and Technology, 7 (1), 1-5.



Chicago Style

Ademola, Olaoluwa John, Ibrahim Babatunde, and Olapeju Adekemi Olaniyan. "Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758)." Equity Journal of Science and Technology 7 (2020), 1-5.



MLA (The Modern Language Association) Style

Ademola, Olaoluwa John, Ibrahim Babatunde, and Olapeju Adekemi Olaniyan. "Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758)." Equity Journal of Science and Technology 7.1 (2020), 1-5. Print.



APA (American Psychological Association) Style

Ademola, O. J., Babatunde, . I. & Olaniyan, . O. A. (2020) Karyotypic Analysis of Cockerel Gallus Gallus Domesticus (Linnaeus, 1758). Equity Journal of Science and Technology, 7 (1), 1-5.





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