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dc.contributor.author
Satterlee, Daniel G.
dc.contributor.author
Marin, Raul Hector
dc.date.available
2018-12-19T13:34:16Z
dc.date.issued
2004-07-01
dc.identifier.citation
Satterlee, Daniel G.; Marin, Raul Hector; Pubic spread development and first egg lay in Japanese quail; Poultry Science Association; Journal Of Applied Poultry Research; 13; 2; 1-7-2004; 207-212
dc.identifier.issn
1056-6171
dc.identifier.uri
http://hdl.handle.net/11336/66727
dc.description.abstract
Measurement of the space between the pelvic ("pin") bones, also known as pubic spread (PS), is used to determine the state of sexual development of female broiler breeders. Herein, we examined PS at selected intervals before, during, and after puberty in Coturnix, an avian species often used for extrapolation of data to more valuable poultry stocks. The PS was determined using different sets of wooden applicator sticks joined together to represent fixed gauges of increasing widths. These gauges were placed between the pelvic pin bones of individual quail until the best fit was detected. Within a bird (n = 80), PS measurements were made at 15 different ages (beginning at 21 and ending at 84 d of age). A cubic relationship was found to exist between age and PS. The best-fit curve of this relationship showed that little development in PS was evident between 21 to 38 d (prepubescence), rapid and increasing development occurred between 38 to 59 d, and no further development occurred from 59 to 84 d of age (postpubescence). Regressions of PS with age at first egg showed that the optimum age range to make a PS measurement to predict the onset of egg lay was sometime during 49 to 52 d of age. The data demonstrate the usefulness of making pubic measurements in Japanese quail to evaluate sexual development and to predict the initiation of egg lay.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Poultry Science Association
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Japanese Quail
dc.subject
Pubic Spread
dc.subject
Sexual Development
dc.subject.classification
Otras Ciencias Biológicas
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Pubic spread development and first egg lay in Japanese quail
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-11-12T13:44:53Z
dc.identifier.eissn
1537-0437
dc.journal.volume
13
dc.journal.number
2
dc.journal.pagination
207-212
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Oxford
dc.description.fil
Fil: Satterlee, Daniel G.. State University of Louisiana; Estados Unidos
dc.description.fil
Fil: Marin, Raul Hector. State University of Louisiana; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina
dc.journal.title
Journal Of Applied Poultry Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1093/japr/13.2.207
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/japr/article/13/2/207/812384


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