نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه تبریز

2 دانشکاه تبریز

چکیده

این پژوهش به‌منظور بررسی تأثیر افزودن پودر زغال­اخته، پودر­سیر و اسانس ترکیبی پوسته بادام ­هندی و دانه­ کرچک بر عملکرد، کیفیت تخم­مرغ و برخی فراسنجه­های خون در مرغ­های تخم‌گذار تجاری انجام شد. تعداد  128 قطعه مرغ تخم‌گذار سویه لوهمن لایت در سن 58 هفتگی در قالب طرح کاملاً تصادفی با چهار تیمار، چهار تکرار و هشت پرنده در هر تکرار استفاده شدند. جیره­های آزمایشی شامل 1- جیره پایه (شاهد)، 2- شاهد + یک درصد پودر سیر، 3- شاهد + یک درصد پودر زغال­اخته و 4- شاهد + 15/0 درصد اسانس ترکیبی دانه­کرچک و پوسته بادام­هندی بودند. جیره­های آزمایشی از هفته 59 الی63 تغذیه شد. عملکرد مرغ­ها در سنین 61 و 63 هفتگی و میزان فراسنجه­های خون و زرده تخم‌مرغ در پایان دوره آزمایش، اندازه­گیری شدند. عملکرد مرغ­های تخم‌گذار در بین تیمار­های آزمایشی اختلاف معنی­داری نداشت. زغال‌اخته باعث افزایش ارتفاع­ و واحد­ هاو سفیده تخم­مرغ در مقایسه با شاهد شد (05/0P<). غلظت کلسترول، HDL، تری­گلیسرید و آنزیم­های آسپارتات آمینوترانسفراز و آلانین­آمینوترانسفراز خون در بین تیمارهای آزمایشی، تفاوت معنی­داری نداشت. مکمل­ کردن جیره­ غذایی با پودر سیر و زغال‌اخته سبب کاهش معنی­دار غلظت کلسترول زرده تخم­مرغ شد (05/0P<) اما غلظت کلسترول زرده تخم­مرغ تحت­ تأثیر معنی­دار اسانس­گیاهی قرار نگرفت. براساس نتایج این آزمایش، می­توان نتیجه گرفت افزودن پودر زغال‌اخته و یا سیر به جیره مرغ تخم‌گذار کیفیت داخلی تخم­مرغ را بهبود داده و کلسترول زرده را نیز کاهش می­دهد.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of Dietary Supplementation of Cornerian Cherry, Garlic Powder, and Mixed Herbal Essential Oil on Productive Performance and Egg Quality in Laying Hens

نویسندگان [English]

  • Zabihollah nemati 1
  • magsoud besharati 1
  • amir karimi 2

1 Department of Animal Science, Faculty of Agriculture University of Tabriz, Tabriz, Iran

2 university of tabriz

چکیده [English]

The current research was designed to evaluate the effect of dietary addition of garlic powder, Cornerian cherry fruit powder (CH) and a mixture essential oil of castor and cashew nut shell (EO) on performance, egg quality and some blood parameters in commercial laying hens. One hundred and twenty-eight 58-wk-old LSL laying hens were used in 4 treatments with 4 replicates and 8 birds per each in a completely randomized design. The experimental diets included: 1) Basal diet; 2) Basal diet +1% garlic powder; 3) Basal diet+1% CH and 4) Basal diet+0.15 percent EO. The experimental diets were fed from 59 to 63 weeks of age. The productive performance was recorded from 61 to 63 weeks of age and blood and egg yolk parameters measured at the end of the experimental period. There were no significant differences in laying hen performance among all treatments. Albumen height and Haugh unit was increased in CH compared to the control group (p<0.05). The blood cholesterol, HDL, triglyceride and aspartate aminotransferase and alanine aminotransferase enzymes did not show any significant difference among treatments. The garlic and CH powders significantly decreased egg yolk cholesterol concentration (p<0.05), however it was not significantly affected by the EO. Finally, it was concluded that addition of CH and garlic powder in the diet of laying hens could improve the egg quality and reduce yolk cholesterol concentrations.

کلیدواژه‌ها [English]

  • Cornerian cherry
  • egg quality
  • egg yolk
  • garlic powder
  • herbal essential oil
  • Performance
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