Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus

Background: a series of events take place in a precise spatial and temporal context during the development of any organism. Typically, certain ontogenetic processes are consistent with the proper completion of previous events. Objective: to identify possible heterochronic events that may relate to a...

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Autores principales:	Gabriela Olea, B., Alejandra Hernando, B., Lombardo M, D.M.
Formato:	JOUR
Materias:	Altricial Birds Embryonic development Postnatal growth patterns Precocial
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_01200690_v29_n4_p274_GabrielaOlea
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_01200690_v29_n4_p274_GabrielaOlea
record_format	dspace
spelling	todo:paper_01200690_v29_n4_p274_GabrielaOlea2023-10-03T14:58:01Z Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus Gabriela Olea, B. Alejandra Hernando, B. Lombardo M, D.M. Altricial Birds Embryonic development Postnatal growth patterns Precocial Background: a series of events take place in a precise spatial and temporal context during the development of any organism. Typically, certain ontogenetic processes are consistent with the proper completion of previous events. Objective: to identify possible heterochronic events that may relate to altricial and precocious development patterns. Methods: we analyzed the ontogeny of three species of birds with two different development models: Columba livia (semialtricial 2), Coturnix coturnix, and Gallus gallus domesticus (precocial 2). The starts and endings of thirteen morphological events were compared, from hour 16 of incubation to the time of hatching. Results: while no differences in the sequence of developmental events were found, the events of the maturation stage in the altricial kind started earlier compared to the precocial species. Ontogenetic acceleration events in C. livia and C. coturnix explain how these species reach a level of morphological development similar to that of G. gallus domesticus, but with shorter incubation period. Conclusion: the results provide information not considered in the literature of the specialty about heterochronic events in early developmental stages of poultry. © 2016, Universidad de Antioquia. All rights reserved. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_01200690_v29_n4_p274_GabrielaOlea
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Altricial Birds Embryonic development Postnatal growth patterns Precocial
spellingShingle	Altricial Birds Embryonic development Postnatal growth patterns Precocial Gabriela Olea, B. Alejandra Hernando, B. Lombardo M, D.M. Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
topic_facet	Altricial Birds Embryonic development Postnatal growth patterns Precocial
description	Background: a series of events take place in a precise spatial and temporal context during the development of any organism. Typically, certain ontogenetic processes are consistent with the proper completion of previous events. Objective: to identify possible heterochronic events that may relate to altricial and precocious development patterns. Methods: we analyzed the ontogeny of three species of birds with two different development models: Columba livia (semialtricial 2), Coturnix coturnix, and Gallus gallus domesticus (precocial 2). The starts and endings of thirteen morphological events were compared, from hour 16 of incubation to the time of hatching. Results: while no differences in the sequence of developmental events were found, the events of the maturation stage in the altricial kind started earlier compared to the precocial species. Ontogenetic acceleration events in C. livia and C. coturnix explain how these species reach a level of morphological development similar to that of G. gallus domesticus, but with shorter incubation period. Conclusion: the results provide information not considered in the literature of the specialty about heterochronic events in early developmental stages of poultry. © 2016, Universidad de Antioquia. All rights reserved.
format	JOUR
author	Gabriela Olea, B. Alejandra Hernando, B. Lombardo M, D.M.
author_facet	Gabriela Olea, B. Alejandra Hernando, B. Lombardo M, D.M.
author_sort	Gabriela Olea, B.
title	Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
title_short	Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
title_full	Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
title_fullStr	Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
title_full_unstemmed	Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus
title_sort	heterochronic events in the ontogeny of columba livia, coturnix coturnix, and gallus gallus domesticus
url	http://hdl.handle.net/20.500.12110/paper_01200690_v29_n4_p274_GabrielaOlea
work_keys_str_mv	AT gabrielaoleab heterochroniceventsintheontogenyofcolumbaliviacoturnixcoturnixandgallusgallusdomesticus AT alejandrahernandob heterochroniceventsintheontogenyofcolumbaliviacoturnixcoturnixandgallusgallusdomesticus AT lombardomdm heterochroniceventsintheontogenyofcolumbaliviacoturnixcoturnixandgallusgallusdomesticus
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Heterochronic events in the ontogeny of Columba livia, Coturnix coturnix, and Gallus gallus domesticus

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