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19 (2012) | nr 4 (83) | 185--194
Tytuł artykułu

Jakość jaj z chowu ekologicznego w pierwszym i drugim roku użytkowania niosek

Treść / Zawartość
Warianty tytułu
Quality of Eggs from Organically Reared Laying Hens During Their First and Second Year of Production
Języki publikacji
PL
Abstrakty
Celem badań było określenie wpływu wieku niosek na kształtowanie się cech jakości jaj od kur rodzimej rasy Zielononóżka kuropatwiana (Z-11), utrzymywanych w chowie ekologicznym. Badano jakość jaj spożywczych pochodzących od niosek w wieku 36, 50 i 80 tygodni. Stwierdzono wpływ wieku niosek na zwiększenie masy jaj i masy żółtek oraz zwiększenie udziału żółtka i zmniejszenie udziału białka w jajach. Wraz z wiekiem niosek intensywność barwy żółtek zwiększała się. W żółtkach jaj od kur starszych zawartość witamin A i E była większa niż w żółtkach od niosek młodszych. Cechy fizyczne skorup jaj od niosek starszych wskazywały na ich dobrą jakość. Nie wykazano wpływu wieku na profil kwasów tłuszczowych w żółtkach jaj. Dobra jakość jaj od starszych niosek Zielononóżki kuropatwianej wskazuje na zasadność ich użytkowania w ekologicznym systemie chowu przez okres dwóch lat.(abstrakt oryginalny)
EN
The objective of the research study was to determine the effect of layers' age on the development of quality traits of eggs from native Greenleg Partridge [Z-11] hens reared under the organic breeding conditions. The quality of consumption eggs from layers aged 36, 50, and 80 weeks was investigated. It was found that the layers' age had an effect on the increased egg and yolk weight as well as on the increased content of egg yolk and the decreased content of egg albumen in the eggs analyzed. The intensity of yolk colour increased with age of the layers. In the egg yolks from older hens, the content of vitamins A and E was higher than in the egg yolk from the younger layers. The physical features of egg shells from older layers indicated their good quality. The age was found to have no effect on the profile of fatty acids in the egg yolks. The good quality of eggs from the older Greenleg Partridge layers proves that it is reasonably and practically to utilize them in the organic breeding system during a period of two years.(original abstract)
Rocznik
Numer
Strony
185--194
Opis fizyczny
Twórcy
  • Uniwersytet Rzeszowski
  • Instytut Zootechniki - PIB
  • Instytut Zootechniki - PIB
Bibliografia
  • [1] AOAC - Official Methods of Analysis, Association of Official Analytical Chemists, 1990, 985.28, 15th Edition.
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  • [7] Hidalgo, A., Rossi, M., Clerici, S., Ratti, S.: A market study on the quality characteristics of egg from different housing systems. Food Chem., 2008, 106, 1031-1038.
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  • [10] Krawczyk J.: Effect of layer age and egg production level on changes in quality traits of eggs from hens of conservation breeds and commercial hybrids. Ann. Anim. Sci., 2009, 9 (2), 185-193.
  • [11] Krawczyk J.: Quality of eggs from Polish native Greenleg Partridge chicken-hens maintained in organic vs. backyard production systems. Anim. Sci. Papers Reports, 2009, 27 (3), 227-235.
  • [12] Krawczyk J., Cywa-Benko K., Wężyk S.: Effect of housing system on egg yolk cholesterol levels in native breeds of hens. Intern. Conf. "First international scientific poultry days", Słowacja - Nitra, 2005, 12-14 September, pp. 18-20.
  • [13] Krawczyk J., Gornowicz E.: Quality of eggs from hens kept in two different free-range systems in comparison with barn system. Arch. Geflügelkd., 2010, 74 (3), 151-157.
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  • [15] Kirubakaran A., Narahari D., Ezhil Valavan T., Sathish Kumar A.: Effects of flaxseed, sardines, pearl millet and holy basil leaves on production traits of layers and fatty acid composition of egg yolks. Poultry Sci., 2011, 90, 147-156.
  • [16] Leeson S., Caston L.J.: Vitamin Enrichment of eggs. J. Appl. Poultry Res., 2003, 12, 24-26.
  • [17] Meluzzi A., Sirri F., Manfreda G., Tallarico N.: Effects of dietary vitamin E on the quality of table eggs enriched with n-3 long-chain fatty acids. Poultry Sci., 2000, 79, 539-545.
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  • [19] Smulikowska S., Rutkowski A. (red.): Normy Żywienia Drobiu. IFiŻZ PAN, Warszawa 2005.
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  • [22] Rossi M.: Influence of the laying hen housing systems on table egg characteristics. Proc. XVIII European Symp. On the Quality of Poultry Meat and XII Eur. Symp. on the Quality of Eggs and Egg products. Prague, 2007, September 2-5, pp. 49-51.
  • [23] Scheideler S.E., Jaroni D., Froning G.: Strain and age effects on egg composition from hens fed diets rich in n-3 fatty acids. Poultry Sci., 1998, 77, 192-196.
  • [24] Sekeroglu A., Sarica M., Demir E., Ulutas Z., Tilki M., Saatci M.: The effects of housing system and storage length on the quality of eggs produced by two lines of laying hens. Arch. Geflügelkd., 2008, 72, 106-109.
  • [25] Simčič M., Stibilj, V., Holcman, A.: The cholesterol content of eggs produced by the Slovenian autochthonous Styrian hen. Food Chem., 2009, 114, 1-4.
  • [26] Solomon S.E.: Egg and eggshell quality. Wolfe Publishing Ltd., 1991.
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  • [29] Washburn K.W., Nix D.F.: A rapid technique for extraction of yolk cholesterol. Poultry Sci., 1974, 53, 1118-1122.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.ekon-element-000171301555

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