بررسی امکان غنی‌سازی تخم‌مرغ با مکمل‌های آلی و معدنی سلنیوم و روی در مرغ‌های تخمگذار مسن

نوع مقاله : مقاله کامل

نویسندگان

1 گروه علوم دامی، واحد کاشمر، دانشگاه آزاد اسلامی،کاشمر،ایران

2 گروه علوم دامی،دانشکده کشاورزی،دانشگاه فردوسی مشهد،مشهد،ایران

چکیده

این آزمایش به منظور بررسی اثر منابع آلی و غیرآلی روی و سلنیوم بر عملکرد، کیفیت تخم‌مرغ و غلظت سلنیوم و روی تخم‌مرغ در مرغ‌های تخم‌گذار مسن انجام شد. در این آزمایش از 210 قطعه مرغ تخم‌گذار لگهورن سویه‌های- لاین(w-36) که در سن 83 هفتگی قرار داشتند، بر پایه یک طرح کاملاً تصادفی استفاده گردید. تیمارها شامل هفت تیمار با سه تکرار و در هر تکرار 10 قطعه مرغ بود. تیمارها شامل دو منبع غیرآلی عناصر روی و سلنیوم شامل اکسید روی و سدیم سلنیت و دو منبع آلی روی متیونین و سلنومتیونین از این منابع استفاده کردند. عملکرد تولیدی، کیفیت و غلظت سلنیوم و روی تخم‌مرغ به مدت شش هفته مورد بررسی قرار گرفت. نتایج حاصل نشان داد که منابع آلی و غیرآلی روی و سلنیوم در جیره مرغ تخم‌گذار تأثیر معنی‌داری بر عملکرد تولیدی و کیفیت داخلی تخم‌مرغ نداشت. افزودن مکمل روی و سلنیوم از منابع آلی سبب بهبود کیفیت پوسته تخم‌مرغ نسبت به گروه شاهد شد. منابع آلی و غیرآلی سلنیوم و روی سبب افزایش ذخیره سلنیوم و روی تخم‌مرغ در هفته‌های 85 و 87 شدند (05/0>P). برای غنی‌سازی تخم‌مرغ با سلنیوم و روی، تفاوت معنی‌داری بین منبع آلی و غیرآلی وجود نداشت. افزایش ذخیره‌سازی سلنیوم و روی تخم‌مرغ تا سن 88 هفتگی مرغان تخمگذار مسن مشاهده شد. افزودن مکمل روی و سلنیوم از منابع آلی سبب بهبودکیفیت پوسته تخم‌مرغ شد. 

کلیدواژه‌ها


عنوان مقاله [English]

Investigation of Egg Enrichment Using Organic and inorganic Supplements of Selenium and Zinc in aged Laying Hens

نویسندگان [English]

  • R Vakili 1
  • J Saebifar 1
  • R Majidzadeh heravi 2
1 Department of Animal Science,Kashmar Branch,Islamic Azad University,kashmar,Iran.
2 Department of Animal Science, Faculty of Agriculture,Ferdowsi University,Mashhad, Iran
چکیده [English]

This experiment was performed to investigate the effects of organic and inorganic sources of minerals zinc and selenium on yield, egg quality and selenium and zinc concentration in eggs in older laying hens. In this experiment, 210 Leghorn laying hens-line strains (w-36) at the age of 83 weeks were used based on a completely randomized design. Treatments included seven treatments with three replications and 10 chickens in each replication. Treatments included two inorganic sources of zinc and selenium including zinc oxide and sodium selenite and two organic sources of zinc methionine and selenomethionine and control treatment. Production yield, egg quality and selenium concentration on eggs were evaluated for six weeks. The results showed that organic and inorganic sources of zinc and selenium in the diet of laying hens did not have a significant effect on production performance and internal quality of eggs. Addition of zinc and selenium supplements from organic sources improved egg shell quality compared to the control group. Organic and inorganic sources of selenium and zinc increased selenium and zinc stores in eggs at 85 and 87 weeks (P <0.05) .There was no significant difference between organic and inorganic sources for egg enrichment with selenium and zinc. Increased selenium and zinc storage was observed up to 88 weeks old laying hens. Addition of zinc and selenium supplements from organic sources improved egg shell quality.

کلیدواژه‌ها [English]

  • Egg
  • Selenium
  • Zinc
  • Egg Shell quality
  • Organic and inorganic Sources
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