The effect of growth on the composition of avian muscle

Dickerson, J. W. T.

doi:10.1042/bj0750033

Cited by 44 publications

(26 citation statements)

References 14 publications

(22 reference statements)

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“…The percentage of collagen in the skin hardly changed during underfeeding (Dickerson & McCance, unpublished) but, since the undernourished animals increased in size, collagen must have been deposited in the skin. In skeletal muscle, the amount of extracellular protein, the greater part of which is collagen, continued to increase whilst that of the cell protein remained almost unchanged throughout the period of underfeeding, which resulted in the muscle becoming much more fibrous and similar in this respect to that of the chick at hatching (Dickerson, 1960). A sustained synthesis of collagen was also found by Mendes & Waterlow (1958) in the muscle of rats fed on a protein-deficient 'Jamaican diet'.…”

Section: Discussionmentioning

confidence: 57%

“…During this time the pectoral muscles almost trebled their weight but the weight of the sartorius muscles was barely doubled (Dickerson, 1960 Vol. 14 Severe undernutrition in growing and adult animals was therefore affected more than that of the sartorius.…”

Section: Resultsmentioning

confidence: 99%

“…The cockerels, which had been held at weights below 200 g for 6 months, rapidly gained weight when allowed free access to food (McCance, 1960). The nitrogenous constituents in the muscle of rehabilitated cockerels have therefore been investigated to find if they were permanently affected by underfeeding early in the period of growth.The effect of growth on the composition of avian pectoral muscle has been described elsewhere (Dickerson, 1960). Some of the results were obtained on animals used as controls for the present investigation.…”

mentioning

confidence: 86%

“…The effect of growth on the composition of avian pectoral muscle has been described elsewhere (Dickerson, 1960). Some of the results were obtained on animals used as controls for the present investigation.…”

mentioning

confidence: 86%

“…The killing of the animals, their dissection and all the chemical methods were the same as those described by Dickerson (1960) and the absolute figures for the composition of the control animals are also given in that paper. Table I shows the mean body-weight and the mean weight of the pectoral and sartorius muscles of the undernourished cockerels at the termination of the experiment, in absolute terms and also expressed as a percentage of those of normal animals at the beginning of underfeeding (Dickerson, 1960). The relative weights show that 27 weeks old reached their killing weight in 13 weeks when they were 4 weeks old.…”

Section: Methodsmentioning

confidence: 99%

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Severe undernutrition in growing and adult animals

Dickerson

McCance

1960

Br J Nutr

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Apart from its economic value, the domestic fowl is in many respects a convenient experimental animal. Studies of the effect of undernutrition on growing animals have, however, been mostly made on mammals and there is ample evidence that underfeeding results in a retardation of growth (Jackson, 1925). Drummond (1916) obtained similar results in chickens. As part of an investigation of the effects of prolonged undernutrition (McCance, 1960) its effect on the composition of both avian and mammalian tissues was studied. The results of the study on mammalian tissues will be presented in a separate paper (Widdowson, Dickerson & McCance, 1960).Of all the soft tissues, skeletal muscle contributes more than any other to the body-weight of an adult animal, but little is known about the changes that take place in it during undernutrition. Changes in its composition may result from the differential growth or resorption of the component parts. The work now being reported on the muscle of adult cockerels has provided an opportunity for doing so. The cockerels, which had been held at weights below 200 g for 6 months, rapidly gained weight when allowed free access to food (McCance, 1960). The nitrogenous constituents in the muscle of rehabilitated cockerels have therefore been investigated to find if they were permanently affected by underfeeding early in the period of growth.The effect of growth on the composition of avian pectoral muscle has been described elsewhere (Dickerson, 1960). Some of the results were obtained on animals used as controls for the present investigation. Three kinds of controls were necessary: (I) normal birds of the same age as the undernourished ones at the beginning of underfeeding,(2) normal birds of the same size as the undernourished ones at the time of their death (weight controls) and (3) normal birds of the same age as the undernourished ones at the time of their death (age controls).

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Section: Discussionmentioning

confidence: 57%

Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 86%

mentioning

confidence: 86%

Section: Methodsmentioning

confidence: 99%

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Severe undernutrition in growing and adult animals

Dickerson

McCance

1960

Br J Nutr

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Untersuchungen zum Einsatz von rohproteinreichem Weizen in der Broilerfütterung 4. Mitt. Nährstoff‐ und Aminosäurengehalt der verzehrbaren Teile

Gruhn

Jahreis

1977

Nahrung

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After having finished a broiler-feeding experiment with wheat rich in protein under industry-like conditions eight by eight male and female animals from four groups were selected on their 56th day of life and experimentally cut up. Crude fat, crude protein, and amino acids contents were determined in the consumable parts (meat, gizzard, heart, liver, abdominal fat). The control group got the conventional broiler feed only. The protein fodder parts were reduced in the three experimental rations taking into account the covering of the needs of lysine and sulphur containing amino acids, by which two experimental rations were supplemented with 0.05% L-Lysine and 0.0% DL-methionine and 0.25% L-lysine and 0.15% DL-methionine respectively. It cound be established that except the lower dry matter content of the consumable parts of female broiler in the control group there were no significant differences through the influence of the rations. Furthermore no influence could be established of the high part of wheat rich in protein and the supplements of amino acids on the composition of the muscle protein.

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Studies on the formation of carnosine and anserine in pectoral muscle of the developing chick

McManus

Benson

1967

Archives of Biochemistry and Biophysics

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The effect of growth on the composition of avian muscle

Cited by 44 publications

References 14 publications

Severe undernutrition in growing and adult animals

Severe undernutrition in growing and adult animals

Untersuchungen zum Einsatz von rohproteinreichem Weizen in der Broilerfütterung 4. Mitt. Nährstoff‐ und Aminosäurengehalt der verzehrbaren Teile

Studies on the formation of carnosine and anserine in pectoral muscle of the developing chick

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