Influence of Hypothermia on Utilization of Nutrients by Chickens

Giurgea, R; Wittenberger, C.; Coprean, D; Frecus, Gh.; Gabos, M.

doi:10.1111/j.1439-0442.1982.tb01398.x

Cited by 1 publication

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References 6 publications

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“…Our mild hypothermia, repeated daily for two weeks, presumably brought about an accomodation, as previous results from this laboratory seemed also to indicate (7).…”

Section: Discussionsupporting

confidence: 76%

“…2). However, the glycogen store was not increased in the muscle, and was much decreased in the liver, while the carbohydrate assimilation from the food was not altered (7). It means that hypothermia accelerated the turnover of glycogen, but its balance was negative.…”

Section: Discussionmentioning

confidence: 93%

“…

Some effects of a mild b u t long-lasting hypothermia on the utilization of nutrients in chickens have been described in a previous paper f r o m o u r laboratory (7). Resuming that investigation, the effects of the same experimental conditions on the carbohydrate metabolism of skeletal muscle and liver were examined.

Material and MethodsRobro-69 type hybrid chickens, aged 15 and 30 days at the beginning of the experiment, were divided into hypothermia exposed (H-15, H-30) and control (C-15, C-30) groups.

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mentioning

confidence: 97%

“…Some effects of a mild b u t long-lasting hypothermia on the utilization of nutrients in chickens have been described in a previous paper f r o m o u r laboratory (7). Resuming that investigation, the effects of the same experimental conditions on the carbohydrate metabolism of skeletal muscle and liver were examined.…”

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confidence: 98%

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Influence of Hypothermia on the Carbohydrate Tissue Metabolism in Chickens

Wittenberger¹

1985

Zentralblatt für Veterinärmedizin Reihe A

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Summary Chickens aged 15 and 30 days were exposed to mild hypothermia (12 ± 1 °C, 7 h per day, for 15 days). Glycogen turnover was accelerated and the utilization of glucose carbon in protein synthesis was enhanced. Muscle respiration was enhanced, but the share of carbohydrates in oxidation was lowered. A large part of fodder glucose and liver glycogen was probably used in lipogenesis and then the lipids were oxidized in muscles. Age‐dependent differences were seen and are discussed; they suggest that the hypothermia enhanced especially those metabolic processes which were not very active in the muscle of control birds at the given age. Zusammenfassung Einfluß der Hypothermie auf den Gewebekohlenhydratstoffwechsel von Küken Küken im Alter von 15 und 30 Tagen wurden einer leichten Hypothermie (12 ± 1 °C, 7 h/Tag, während 15 Tagen) ausgesetzt. Der Glykogenumsatz wurde beschleunigt und die Utilisation des Glukosekohlenstoffs in der Proteinsynthese erhöht. Die Muskelatmung war verbessert, aber der Anteil der Kohlenhydrate bei der Oxidation geringer. Ein hoher Anteil der Futterglukose und des Leberglykogens wurde vermutlich bei der Lipogenese verbraucht und anschließend erfolgte die Oxidation der Lipide in den Muskeln. Altersabhängige Unterschiede werden diskutiert. Sie lassen vermuten, daß bei einer Hypothermie speziell jene Stoffwechselabläufe bevorzugt werden, die bei gleichaltrigen Kontrolltieren nicht sehr aktiv sind. Résumé Influence de l'hypothermie sur le métabolisme tissulaire des carbohydrates chez des poussins Des poussins âgés de 15 à 30 jours ont été soumis à une légère hypothermie (12 ± 1 °C, /h/jour, durant 15 jours). La transformation du glycogène a été accélérée et l'utilisation carbone du glucose fut augmentée dans la synthèse des protéines. La respiration musculaire fut améliorée, mais la part des hydrates de carbone lors de l'oxydation fut plus faible. Une grande partie du glucose alimentaire et du glycogène hépatique fut utilisée probablement lors de la lipogénèse qui fut suivie par l'oxydation des lipides dans les muscles. Des différences en fonction de l'âge sont décrites. Elles laissent supposer que lors d'une hypothermie s'accentuent spécialement les processus métaboliques qui ne sont pas très actifs chez des animaux de contrôle du même âge. Resumen El influjo de la hipotermia sobre el metabolismo de los carbohidratos hísticos en los pollitos Se expusieron pollitos, de 15 y 30 días de edad, a una hipotermia ligera (12 ± 10 C, 7h/día, durante 15 días). Así se aceleró el metabolismo del glucógeno y aumentó la utilización del carbono de glucosa en la síntesis de las proteínas. Había mejorado la respiración muscular, pero era menor la cuota de carbohidratos en la oxidación. Seguramente se usó una cuota elevada de glucosa del pienso y del glucógeno hepático en la lipogénesis y a continuación se oxidaron los lípidos en los músculos. Se discuten las diferencias dependientes de la edad. Las mismas permiten sospechar que en la hipotermia se realzan especialmente aquellos procesos metabólicos que no so...

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“…Our mild hypothermia, repeated daily for two weeks, presumably brought about an accomodation, as previous results from this laboratory seemed also to indicate (7).…”

Section: Discussionsupporting

confidence: 76%

Section: Discussionmentioning

confidence: 93%

“…

Material and MethodsRobro-69 type hybrid chickens, aged 15 and 30 days at the beginning of the experiment, were divided into hypothermia exposed (H-15, H-30) and control (C-15, C-30) groups.

…”

mentioning

confidence: 97%

mentioning

confidence: 98%

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