A brief overview of methods for sex determination of commercial poultry embryos; Existing solutions to prevent culling of day-old laying male chickens

Document Type : Scientific-Extensional Article

Authors

1 B.Sc. Student of Animal Science, Department of Animal Science, Faculty of Agriculture at the University of Tabriz, Tabriz, East Azerbaijan, Iran

2 M.Sc. Student of Poultry Nutrition, Department of Animal Science, Faculty of Agriculture at the University of Tabriz, Tabriz, East Azerbaijan, Iran

Abstract

According to available statistics, the annual egg-laying hens produce, half of which are sexed in the poultry industry. In the past, experts in this industry saw that the only available way to destroy day-old chicks was by various methods. With the progress of time and the increase in human knowledge in this regard, the solution of keeping male chickens of the laying strain alive during breeding periods for food consumption or using advanced molecular methods to determine sex during the embryonic period is proposed. In this review article, it has been tried that the dear readers can solve this challenge with different solutions. The classifications included in this article are the advantages and disadvantages of non-optical methods (morphological studies of extra-shell forms, egg smell, gene engineering, molecular assays, and evaluation of minerals in allantoic fluid) and, at other levels, optical methods (imaging, reflection detection), and ultrafine imaging, Fourier transform infrared experimentometry, and Raman survey) are discussed, among which the impressions become infrared transform and Raman survey can reach the practical stage and end this challenge. In recent years, discoveries regarding sex reassignment during the fetal period have been made, which can be considered a major achievement in this industry.

Keywords

References

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Professional Journal of Domestic
Volume 23, Issue 3 - Serial Number 27
In progress
March 2024
Pages 17-22

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