Abstract
Amplified fragment length polymorphism (AFLPs) markers were used to investigate the genetic variation in six autochthonous goat populations distributed in the middle and lower Yangtze River valley. The goat populations were Chengdu Grey Goat (CGG), Chuandong White Goat (CWG), Banjiao Goat (BG), Matou Goat (MG), Hui Goat (HG) and Yangtze River Delta White Goat (YRDWG). A total of 180 individuals (30 per population) were analysed using ten selected AFLP primer combinations that produced 78 clear polymorphism loci. The variability at AFLP loci was largely maintained within populations, as indicated by the average genetic similarity, and they were ranged from 0.745 to 0.758 within populations and 0.951 to 0.970 between populations. No breed specific markers were identified. Cluster analysis based on Nei's genetic distance between populations indicated that Chengdu Grey Goat is the most distant population, while CWG and YROWG were the closest populations, followed by BG, HG and MG. Genetic diversity of the goat populations didn't confirm what was expected on the basis of their geographical location, which may reflect undocumented migrations and gene flows and identify an original genetic resource. (Asian-Aust. J. Anim. Sci. 2003. Vol 16, No. 2 : 277-281)
Highlights
Populations in this area (Jiang et al, 1988; Cheng et al, Chengdu Grey Goat(CGG)has a grey coat of the brown type which are based on an eumelanic coat of the
The ten Amplified fragment length polymorphism (AFLPs) primer combinations used to study the genetic variability of the six populations produced 78 polymorphic bands
The within population genetic similarity (WGS) was Genetic distance of the goat populations did not calculated as an average of between goat populations of X and Y (BSFXY) across all comparisons confirm what was expected on the basis of their between individuals within a population (Lynch, 1990)
Summary
JIANG ET AL.Population name (abbreviation)Size of population (thousand)*Sampling site and sample sizeChengdu Grey Goat (CGG)Jingtang county 20, Peng county 10, Sichuan provinceChuandong White Goat (CWG)Wang county 30, Chongqing cityBanjiao Goat (BG)Wuxi county 30, Chongqing city Matou Goat (MG). Key Words : Genetic Diversity, Indigenous Goat Population, Yangtze River Valley, AFLP In many poor farmers; the breeding and genetic improvement of indigenous goats had been received more Animals attention in these regions in the past five years Populations in this area (Jiang et al, 1988; Cheng et al, Chengdu Grey Goat(CGG)has a grey coat of the brown type which are based on an eumelanic coat of the
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
