Abstract

ABSTRACT: Poultry meat is a major source of animal protein in the world. Research indicates a high inbreeding rate derived from a relative absence of heterozygous subpopulations of chicken from different suppliers. Molecular markers can provide information for the genetic basis of chicken consumed in rural areas and help establishing a chicken database for product quality and warranty. The bibliometric research, comprises between 1994 and 2018, from five previously selected databases: Google Scholar, PubMed, ScienceDirect, Scopus and Web of Science, using the following descriptors: ‘microsatellites’, ‘SSR’, ‘ISSR’, ‘genetic variability’ and ‘genetic diversity’, all of them coupled to ‘chicken’ and/or ‘birds’ results in 66 scientific publications. The publications were then categorized according to their titles to the use of ISSR or SSR markers. They were also addressed by countries according first author cited. The publications data appointed that countries with the height production of poultry meat and hens are the most interested in the genetic diversity study of these species. The SSR markers, due to its more specific characteristic, are more frequently applied to genetic diversity assignment, compared to ISSR.

Highlights

  • Gallus gallus domesticus is a major source of animal protein for food in the world and the worldwide chicken population was more than 58 billion in 2011 (FAO, 2013)

  • Besides the fact that its products are healthier for human consumer and contribute for alimentary insurance of village populations (DIKMEN et al, 2016), molecular markers can provide information for the genetic basis of chicken consumed in rural areas; markers can help

  • Results of the present study indicated countries with large production of chickens are the most interested in the genetic study, this may be associated with the funding of research related to genetic diversity, as well as chicken meat consumption rates

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Summary

Introduction

Gallus gallus domesticus is a major source of animal protein for food in the world and the worldwide chicken population was more than 58 billion in 2011 (FAO, 2013). The literature review of the use of microsatellite and ISSR markers on the analysis of genetic variability of birds used studies that range from 1994 to 2018.

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