Developmental patterns of O2 consumption, heart rate and O2 pulse in unturned eggs

J. T. Pearson; M. A. Haque; P. C.L. Hou; H. Tazawa

doi:10.1016/0034-5687(95)00061-5

Developmental patterns of O₂ consumption, heart rate and O₂ pulse in unturned eggs

J. T. Pearson, M. A. Haque, P. C.L. Hou, H. Tazawa

Research output: Contribution to journal › Article › Research › peer-review

31 Citations (Scopus)

Abstract

The effects of failure to turn eggs on the developmental patterns of oxygen consumption (Ṁ(O₂)), heart rate (fH) and O₂ pulse during the second half of incubation of individual chicken eggs were examined. The Ṁ(O₂) of unturned eggs increased at a significantly lower rate than the control toward the end of prenatal incubation, and the plateau Ṁ(O₂) between day 17 and 19 was significantly lower than the control. Lack of turning also resulted in significant changes in the developmental patterns of fH and O₂ pulse. It is suggested that the effects of lack of egg-turning on the developmental patterns of Ṁ(O₂) may be attributable to lower embryonic growth rate in addition to impairment of gas exchange through the chorioallantoic gas exchanger.

Original language	English
Pages (from-to)	83-87
Number of pages	5
Journal	Respiration Physiology
Volume	103
Issue number	1
DOIs	https://doi.org/10.1016/0034-5687(95)00061-5
Publication status	Published - 1 Jan 1996
Externally published	Yes

Keywords

Birds, chicken, eggs
Development, egg turning
Egg, chicken, metabolism
Metabolism, chicken

Access to Document

10.1016/0034-5687(95)00061-5

Cite this

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title = "Developmental patterns of O2 consumption, heart rate and O2 pulse in unturned eggs",

abstract = "The effects of failure to turn eggs on the developmental patterns of oxygen consumption (Ṁ(O2)), heart rate (fH) and O2 pulse during the second half of incubation of individual chicken eggs were examined. The Ṁ(O2) of unturned eggs increased at a significantly lower rate than the control toward the end of prenatal incubation, and the plateau Ṁ(O2) between day 17 and 19 was significantly lower than the control. Lack of turning also resulted in significant changes in the developmental patterns of fH and O2 pulse. It is suggested that the effects of lack of egg-turning on the developmental patterns of Ṁ(O2) may be attributable to lower embryonic growth rate in addition to impairment of gas exchange through the chorioallantoic gas exchanger.",

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