Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line

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Standard

Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line. / Chwalibog, André; Tauson, Anne-Helene; Ali, Abdalla; Matthiesen, Connie Marianne Frank; Thorhauge, Kaj; Thorbek, Grete.

I: Comparative Biochemistry and Physiology A, Bind 146, Nr. 3, 2007, s. 305-309.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Chwalibog, A, Tauson, A-H, Ali, A, Matthiesen, CMF, Thorhauge, K & Thorbek, G 2007, 'Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line', Comparative Biochemistry and Physiology A, bind 146, nr. 3, s. 305-309. https://doi.org/10.1016/j.cbpa.2006.10.035

APA

Chwalibog, A., Tauson, A-H., Ali, A., Matthiesen, C. M. F., Thorhauge, K., & Thorbek, G. (2007). Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line. Comparative Biochemistry and Physiology A, 146(3), 305-309. https://doi.org/10.1016/j.cbpa.2006.10.035

Vancouver

Chwalibog A, Tauson A-H, Ali A, Matthiesen CMF, Thorhauge K, Thorbek G. Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line. Comparative Biochemistry and Physiology A. 2007;146(3):305-309. https://doi.org/10.1016/j.cbpa.2006.10.035

Author

Chwalibog, André ; Tauson, Anne-Helene ; Ali, Abdalla ; Matthiesen, Connie Marianne Frank ; Thorhauge, Kaj ; Thorbek, Grete. / Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line. I: Comparative Biochemistry and Physiology A. 2007 ; Bind 146, Nr. 3. s. 305-309.

Bibtex

@article{24c79590a1c211ddb6ae000ea68e967b,
title = "Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line",
abstract = "The experiment comprised 48 chicken (Gallus gallus) embryos from a modern, fast growing line, Ross 308 (RO) and 48 from a slow growing line, Labresse (LA). The O(2) consumption and CO(2) production were measured in an open-air-circuit respiration unit, and heat production (HE) from embryos was calculated at an age of 10, 13, 16 and 19 days. Gas exchange was below 10 ml/h for RO and LA by an age of 10-13 days, increasing steeply to a {"}peak{"} on day 16 and then slowing down between 16 and 19 days. The pattern of curves for gas exchange was identical for RO and LA, but on a lower level for LA. HE followed the pattern of gas exchange, with a mean around 50 J/h on day 10, increasing to 528 (RO) and 402 (LA) J/h on day 19. The main source of HE was oxidized fat. In addition to respiration experiments chemical analyses were carried out on 60 eggs from RO and 60 from LA. Prior to chemical analyses the eggs were incubated for 7, 13 and 19 days. Since fat oxidation was the main energy fuel the content of fat in the eggs decreased by 2.0 (RO) and 1.6 g (LA), while protein content was fairly constant in each line. It is remarkable that the differences in heat production between chickens from fast and slow growing lines were already manifested during their embryonic development.",
keywords = "Former LIFE faculty, Energy expenditure, Oxygen consumption, Carbon dioxide production, Fat oxidation, Embryo, Bird, Poultry",
author = "Andr{\'e} Chwalibog and Anne-Helene Tauson and Abdalla Ali and Matthiesen, {Connie Marianne Frank} and Kaj Thorhauge and Grete Thorbek",
year = "2007",
doi = "10.1016/j.cbpa.2006.10.035",
language = "English",
volume = "146",
pages = "305--309",
journal = "Comparative biochemistry and physiology. Part A, Molecular & integrative physiology",
issn = "1095-6433",
publisher = "Elsevier",
number = "3",

}

RIS

TY - JOUR

T1 - Gas exchange, heat production and oxidation of fat in chicken embryos from a fast or slow growing line

AU - Chwalibog, André

AU - Tauson, Anne-Helene

AU - Ali, Abdalla

AU - Matthiesen, Connie Marianne Frank

AU - Thorhauge, Kaj

AU - Thorbek, Grete

PY - 2007

Y1 - 2007

N2 - The experiment comprised 48 chicken (Gallus gallus) embryos from a modern, fast growing line, Ross 308 (RO) and 48 from a slow growing line, Labresse (LA). The O(2) consumption and CO(2) production were measured in an open-air-circuit respiration unit, and heat production (HE) from embryos was calculated at an age of 10, 13, 16 and 19 days. Gas exchange was below 10 ml/h for RO and LA by an age of 10-13 days, increasing steeply to a "peak" on day 16 and then slowing down between 16 and 19 days. The pattern of curves for gas exchange was identical for RO and LA, but on a lower level for LA. HE followed the pattern of gas exchange, with a mean around 50 J/h on day 10, increasing to 528 (RO) and 402 (LA) J/h on day 19. The main source of HE was oxidized fat. In addition to respiration experiments chemical analyses were carried out on 60 eggs from RO and 60 from LA. Prior to chemical analyses the eggs were incubated for 7, 13 and 19 days. Since fat oxidation was the main energy fuel the content of fat in the eggs decreased by 2.0 (RO) and 1.6 g (LA), while protein content was fairly constant in each line. It is remarkable that the differences in heat production between chickens from fast and slow growing lines were already manifested during their embryonic development.

AB - The experiment comprised 48 chicken (Gallus gallus) embryos from a modern, fast growing line, Ross 308 (RO) and 48 from a slow growing line, Labresse (LA). The O(2) consumption and CO(2) production were measured in an open-air-circuit respiration unit, and heat production (HE) from embryos was calculated at an age of 10, 13, 16 and 19 days. Gas exchange was below 10 ml/h for RO and LA by an age of 10-13 days, increasing steeply to a "peak" on day 16 and then slowing down between 16 and 19 days. The pattern of curves for gas exchange was identical for RO and LA, but on a lower level for LA. HE followed the pattern of gas exchange, with a mean around 50 J/h on day 10, increasing to 528 (RO) and 402 (LA) J/h on day 19. The main source of HE was oxidized fat. In addition to respiration experiments chemical analyses were carried out on 60 eggs from RO and 60 from LA. Prior to chemical analyses the eggs were incubated for 7, 13 and 19 days. Since fat oxidation was the main energy fuel the content of fat in the eggs decreased by 2.0 (RO) and 1.6 g (LA), while protein content was fairly constant in each line. It is remarkable that the differences in heat production between chickens from fast and slow growing lines were already manifested during their embryonic development.

KW - Former LIFE faculty

KW - Energy expenditure

KW - Oxygen consumption

KW - Carbon dioxide production

KW - Fat oxidation

KW - Embryo

KW - Bird

KW - Poultry

U2 - 10.1016/j.cbpa.2006.10.035

DO - 10.1016/j.cbpa.2006.10.035

M3 - Journal article

C2 - 17161639

VL - 146

SP - 305

EP - 309

JO - Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

JF - Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

SN - 1095-6433

IS - 3

ER -

ID: 8063472