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Comparison of qualitative and quantitative properties of the wings, necks and offal of chicken broilers from organic and conventional production systems

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62157124%3A16270%2F16%3A43874113" target="_blank" >RIV/62157124:16270/16:43874113 - isvavai.cz</a>

  • Výsledek na webu

    <a href="http://www.agriculturejournals.cz/web/vetmed.htm?volume=61&firstPage=643&type=publishedArticle" target="_blank" >http://www.agriculturejournals.cz/web/vetmed.htm?volume=61&firstPage=643&type=publishedArticle</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.17221/286/2015-VETMED" target="_blank" >10.17221/286/2015-VETMED</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Comparison of qualitative and quantitative properties of the wings, necks and offal of chicken broilers from organic and conventional production systems

  • Popis výsledku v původním jazyce

    The aim of the present study was to investigate qualitative and quantitative properties of wings, offal (liver, heart and gizzard) and necks of chickens from organic and conventional production systems, currently available on the market for Czech consumers. Production properties (yield and weight), surface colour (lightness, redness, yellowness) and chemical indicators (dry matter, total protein, net protein, collagen, hydroxyproline, fat, ash and phosphorus) were evaluated in fresh chicken broilers. Conventionally produced chickens had higher carcass yields but higher wing yields and weights were observed in organic broilers. The skin, bones, tip (left wings) and the meat with skin (right wings) of organic broilers were heavier (P < 0.05) than those of conventional chickens. The dry matter and total protein content of deboned organic broiler wings (meat with skin) was greater (P < 0.01) than those of conventional wings. Similarly as for yields, the offal (heart, gizzard) and necks of organic chickens had significantly (P < 0.01) higher weights in comparison with conventional chickens. Colour indicators showed that the external surface of the livers, necks and gizzards (muscle) from organic chickens were darker (lightness; P < 0.01). Total protein content in livers, hearts and necks of organic chickens was greater; fat content in the livers and necks of organic broilers was also higher (P < 0.05) than those of conventional broilers. The ash and phosphorus in the necks of conventional broilers was higher (P < 0.05) than in organic chickens. This study indicates that the quantity and quality of offal and neck from organic broilers are slightly superior compared to conventional chickens.

  • Název v anglickém jazyce

    Comparison of qualitative and quantitative properties of the wings, necks and offal of chicken broilers from organic and conventional production systems

  • Popis výsledku anglicky

    The aim of the present study was to investigate qualitative and quantitative properties of wings, offal (liver, heart and gizzard) and necks of chickens from organic and conventional production systems, currently available on the market for Czech consumers. Production properties (yield and weight), surface colour (lightness, redness, yellowness) and chemical indicators (dry matter, total protein, net protein, collagen, hydroxyproline, fat, ash and phosphorus) were evaluated in fresh chicken broilers. Conventionally produced chickens had higher carcass yields but higher wing yields and weights were observed in organic broilers. The skin, bones, tip (left wings) and the meat with skin (right wings) of organic broilers were heavier (P < 0.05) than those of conventional chickens. The dry matter and total protein content of deboned organic broiler wings (meat with skin) was greater (P < 0.01) than those of conventional wings. Similarly as for yields, the offal (heart, gizzard) and necks of organic chickens had significantly (P < 0.01) higher weights in comparison with conventional chickens. Colour indicators showed that the external surface of the livers, necks and gizzards (muscle) from organic chickens were darker (lightness; P < 0.01). Total protein content in livers, hearts and necks of organic chickens was greater; fat content in the livers and necks of organic broilers was also higher (P < 0.05) than those of conventional broilers. The ash and phosphorus in the necks of conventional broilers was higher (P < 0.05) than in organic chickens. This study indicates that the quantity and quality of offal and neck from organic broilers are slightly superior compared to conventional chickens.

Klasifikace

  • Druh

    J<sub>x</sub> - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

  • CEP obor

    GM - Potravinářství

  • OECD FORD obor

Návaznosti výsledku

  • Projekt

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2016

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Údaje specifické pro druh výsledku

  • Název periodika

    Veterinární medicína

  • ISSN

    0375-8427

  • e-ISSN

  • Svazek periodika

    61

  • Číslo periodika v rámci svazku

    11

  • Stát vydavatele periodika

    CZ - Česká republika

  • Počet stran výsledku

    9

  • Strana od-do

    643-651

  • Kód UT WoS článku

    000389206100005

  • EID výsledku v databázi Scopus

    2-s2.0-85006024532