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197805

RESULTS OF TWO MORPHOLOGICAL PRACTICAL METHODS FOR SEX DETERMINATION IN JAPANESE QUAIL

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Last updated: 28 Dec 2024

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Abstract

Shank length measurements of ≥35 mm for females and < 35
mm for males was used to predict sexes in Japanese quail at 10,
17, 24, 31, 38 and 45 days of age in 827 Japanese quail chicks.
Shank length between sexes was found to differ (P<0.01) as early
as 17 days of age and was maintained thereafter. The best
prediction of sexes was made at 24 days of age; the accuracy for
predicting females was higher than for males (96.1 vs. 95.9%).
This technique requires only a single shank measurement taken at
24 days of age and provides the breeder with a reliable way of
separating sexes for purposes of marketing and selection of
breeders at relatively earlier ages especially in white strains. There
was a second method of sex determination through plumage
dimorphism (feather sexing) with 95% accuracy at 24 days of age.
Therefore, either shank length or feather dimorphism would offer
valid methods for separating sexes of Japanese quail.

DOI

10.21608/fjard.2005.197805

Keywords

morphological, practical methods, sex determination, Japanese quail

Authors

First Name

Ensaf A.

Last Name

El Full

MiddleName

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Affiliation

Poult. Prod. Dept. Fac. of Agric., Cairo Univ., Fayoum Branch.

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Orcid

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First Name

Mona S.

Last Name

Ragab

MiddleName

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Affiliation

Poult. Prod. Dept. Fac. of Agric., Cairo Univ., Fayoum Branch.

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Volume

19

Article Issue

1

Related Issue

27959

Issue Date

2005-01-01

Receive Date

2021-10-03

Publish Date

2005-01-01

Page Start

133

Page End

140

Print ISSN

1110-7790

Online ISSN

2805-2528

Article File

FJARD_Volume 19_Issue 1_Pages 133-140.pdf

PDF . 538.4kB

Link

https://fjard.journals.ekb.eg/article_197805.html

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https://fjard.journals.ekb.eg/service?article_code=197805

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13

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Research articles.

Type Code

1,920

Publication Type

Journal

Publication Title

Fayoum Journal of Agricultural Research and Development

Publication Link

https://fjard.journals.ekb.eg/

MainTitle

RESULTS OF TWO MORPHOLOGICAL PRACTICAL METHODS FOR SEX DETERMINATION IN JAPANESE QUAIL

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Article

Created At

23 Jan 2023