Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens

Allometric growth of body macrominerals was examined in slow-growing laying-type cockerels (SG) and in fast-growing male broiler hybrids (FG) during the growing period from hatch to day 22. Allometric coefficients for dry matter, calcium, phosphorus, magnesium, sodium, and potassium in relation to b...

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Main Author: J. Zelenka
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2012-12-01
Series:Czech Journal of Animal Science
Subjects:
Online Access:https://cjas.agriculturejournals.cz/artkey/cjs-201212-0004_allometric-growth-of-calcium-phosphorus-magnesium-sodium-and-potassium-in-slow-and-fast-growing-young-chic.php
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author J. Zelenka
author_facet J. Zelenka
author_sort J. Zelenka
collection DOAJ
description Allometric growth of body macrominerals was examined in slow-growing laying-type cockerels (SG) and in fast-growing male broiler hybrids (FG) during the growing period from hatch to day 22. Allometric coefficients for dry matter, calcium, phosphorus, magnesium, sodium, and potassium in relation to body weight were 1.091, 1.427, 1.383, 1.284, 0.843, and 1.097 for SG chickens and 1.075, 1.276, 1.233, 1.216, 0.943, and 1.144 for FG chickens, respectively. Allometric coefficients describing the relationships of Ca, P, Mg, Na, and K with dry matter weight were 1.302, 1.260, 1.172, 0.772, and 0.998 for SG chickens and 1.185, 1.143, 1.127, 0.878, and 1.059 for FG chickens, respectively. High allometric coefficients for Ca, P, and Mg in both genotypes likely indicate a rapid growth of skeletal tissues which requires an adequate mineral nutrition during this period of growth. The deposition of Ca and P relative to dry matter was higher (P < 0.05) and that of Na lower (P < 0.01) in SG chickens thus suggesting that the relative growth of these minerals may be affected by genotype.
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spelling doaj.art-3876a17382a14d67a8a9c37df2e6b3372023-02-23T03:33:00ZengCzech Academy of Agricultural SciencesCzech Journal of Animal Science1212-18191805-93092012-12-01571255756110.17221/6413-CJAScjs-201212-0004Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickensJ. Zelenka0Department of Animal Nutrition and Forage Production, Faculty of Agronomy, Mendel University in Brno, Brno, Czech RepublicAllometric growth of body macrominerals was examined in slow-growing laying-type cockerels (SG) and in fast-growing male broiler hybrids (FG) during the growing period from hatch to day 22. Allometric coefficients for dry matter, calcium, phosphorus, magnesium, sodium, and potassium in relation to body weight were 1.091, 1.427, 1.383, 1.284, 0.843, and 1.097 for SG chickens and 1.075, 1.276, 1.233, 1.216, 0.943, and 1.144 for FG chickens, respectively. Allometric coefficients describing the relationships of Ca, P, Mg, Na, and K with dry matter weight were 1.302, 1.260, 1.172, 0.772, and 0.998 for SG chickens and 1.185, 1.143, 1.127, 0.878, and 1.059 for FG chickens, respectively. High allometric coefficients for Ca, P, and Mg in both genotypes likely indicate a rapid growth of skeletal tissues which requires an adequate mineral nutrition during this period of growth. The deposition of Ca and P relative to dry matter was higher (P < 0.05) and that of Na lower (P < 0.01) in SG chickens thus suggesting that the relative growth of these minerals may be affected by genotype.https://cjas.agriculturejournals.cz/artkey/cjs-201212-0004_allometric-growth-of-calcium-phosphorus-magnesium-sodium-and-potassium-in-slow-and-fast-growing-young-chic.phpage; growth rate; chemical allometry; camgpnaand k retention
spellingShingle J. Zelenka
Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
Czech Journal of Animal Science
age; growth rate; chemical allometry; ca
mg
p
na
and k retention
title Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
title_full Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
title_fullStr Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
title_full_unstemmed Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
title_short Allometric growth of calcium, phosphorus, magnesium, sodium, and potassium in slow- and fast-growing young chickens
title_sort allometric growth of calcium phosphorus magnesium sodium and potassium in slow and fast growing young chickens
topic age; growth rate; chemical allometry; ca
mg
p
na
and k retention
url https://cjas.agriculturejournals.cz/artkey/cjs-201212-0004_allometric-growth-of-calcium-phosphorus-magnesium-sodium-and-potassium-in-slow-and-fast-growing-young-chic.php
work_keys_str_mv AT jzelenka allometricgrowthofcalciumphosphorusmagnesiumsodiumandpotassiuminslowandfastgrowingyoungchickens