The Association of Neuropeptide Y (NPY) Gene on Egg Production in Thai Native Chickens
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Abstract
The objective of this study was to determine the association of Neuropeptide Y (NPY) on egg production in 150 Thai native chickens (High Egg Strain of Pradu Hangdum Chiangmai). Specific primers and restriction enzymes (Dra I) were used to identify the genotypes for NPY gene by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The results showed that size of NPY is 240 bp and three genotypes were found for NPY: genotype BB (240 bp), genotype Bb (240, 161 and 79 bp), and genotype bb (161 and 79 bp). The genotype frequencies of BB, Bb and bb were 0.10, 0.35, and 0.55, respectively. The frequencies of alleles B (0.27) was lower than alleles b (0.73). Moreover, the association of NPY polymorphism were detected on egg number at 360 days trait egg per month trait and egg mass per hen trait (P<0.05). The chickens carrying the BB genotype had highest egg number at 360 days trait egg per month trait and egg mass per hen trait (201.86 egg, 16.82 egg/month and 45.04 g/hen/day). The chickens carrying the genotype bb had lowest egg number at 360 days egg per month and egg mass (181.72 egg, 15.14 egg/month and 40.04 g/hen/day). From the results was found that the association of NPY gene and egg production. The NPY genes could be the potential genetic markers for chickens’ selection to improve egg number trait egg per month trait and egg mass traits.
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บทความในวารสารเกษตรนเรศวรที่ได้รับการตีพิมพ์ เป็นลิขสิทธิ์ของ คณะเกษตรศาสตร์
ข้อความที่ปรากฏในบทความแต่ละเรื่องในวารสารนี้เป็นความคิดเห็นส่วนตัวของผู้เขียนแต่ละท่านไม่เกี่ยวข้องกับคณะเกษตรศาสตต์ฯ
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