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تأثیر عصارة هیدروالکلی رزماری بر عملکرد تولیدی و کیفیت تخم‌مرغ در مرغان تخم‌گذار

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار گروه علوم دامی، دانشکدة کشاورزی، دانشگاه فردوسی مشهد

2 استاد گروه علوم دامی، دانشکدة کشاورزی، دانشگاه فردوسی مشهد

چکیده

به منظور بررسی اثر افزودن سطوح مختلف عصارة هیدروالکلی رزماری به جیرة مرغان تخم‌گذار بر شاخص‌های عملکرد تولیدی و پارامترهای کیفی تخم‌مرغ، آزمایشی با استفاده از 160 قطعه مرغ تخم‌گذار سویة "های‌لاین-W36" در دامنة سنی 38-29 هفتگی در قالب طرح بلوک کامل تصادفی، با 4 تیمار، 4 تکرار و 10 قطعه پرنده در هر واحد آزمایشی انجام شد. گروه‌های آزمایشی شامل افزودن (صفر، 500، 1000 و 1500 قسمت در میلیون) عصارة هیدروالکلی رزماری به جیرة مرغان تخم‌گذار بود. بالاترین درصد تخم‌گذاری و تولید توده‌ای تخم‌مرغ (روز/پرنده/گرم) و پایین‌ترین ضریب تبدیل غذایی را پرندگان تغذیه‌شده با جیرة حاوی1000 قسمت در میلیون عصارة هیدروالکلی رزماری داشتند که این اختلاف‌ها در مقایسه با سایر گروه‌های آزمایشی معنادار بود (05/0P<). کیفیت سفیده (واحد هاو) تخم‌مرغ‌های نگهداری‌شده به مدت 21 روز در شرایط 4 درجة سانتی‌گراد در تخم‌مرغ‌های حاصل از پرندگان تغذیه‌شده با جیره‌های حاوی عصارۀ هیدروالکلی رزماری در مقایسه با پرندگان تغذیه‌شده با جیرة شاهد به‌طور معنا‌دار (05/0P<) بالاتر بود. نتایج این مطالعه نشان داد که افزودن عصارۀ هیدروالکلی رزماری به جیرة غذایی مرغان تخم‌گذار دارای تأثیرات مثبتی بر عملکرد تولیدی و حفظ کیفیت تخم‌مرغ طی مدت ذخیره‌سازی است.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Rosemary Hydro-alcoholic (Rosmarinus Officinalis L.) Extract on Performance and Egg Quality in Laying Hens

نویسندگان [English]

  • Heydar Zarghi 1
  • Abolghasem Golian 2
  • Hassan Kermanshahi 2
1 Assistant Professor, Department of Animal Science, College of Agriculture, Ferdowsi University of Mashhad, Respectively
2 Professor, Department of Animal Science, College of Agriculture, Ferdowsi University of Mashhad, Respectively
چکیده [English]

This experiment was conducted to evaluate the effects using of different levels of rosemary hydro-alcoholic extract (Rosmarinus Officinalis L.) on productive performance and egg quality indicators, in laying hens. The levels of rosemary hydro-alcoholic extract in this experiment were 0, 500, 1000 and 1500ppm. This experiment was conducted in a Blok Completely Randomized Design with 160 “hy-line-W36” laying hens in 4 treatments and 4 replicate (with 10 hens in each replicate) from 29 until 38 weeks of age. The results showed that the using of different levels of rosemary hydro-alcoholic extract had significantly effects on some parameters of performance and egg traits in laying hens (p<0.05). Hence, the highest rate of egg production and egg mass (g/b/d) and the lowest feed conversion ratio were belong to birds fed diets containing 1000ppm rosemary hydro-alcoholic extract. Also the albumen quality (HU) of eggs maintained for 21 days at 4 ° C in the resulting eggs from the birds that fed with diets containing rosemary hydro-alcoholic extract was higher than birds fed the control diet. The overall results showed that the additions of rosemary hydro-alcoholic extract in the diet of laying hens lead to improving performance and maintaining egg quality during storage.

کلیدواژه‌ها [English]

  • laying hens
  • rosemary hydro-alcoholic extract
  • performance
  • egg quality

 

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