اثرات تزریق درون تخم‌مرغی منابع مختلف منگنز بر عملکرد و خصوصیات استخوان درشت‌نی جوجه‌های گوشتی

نوع مقاله : مقاله پژوهشی


1 دانشگاه گیلان /عضو هیات علمی + پارک علم و فناوری/رئیس

2 دانشجوی دکتری -گروه علوم دامی- دانشکده کشاورزی- دانشگاه گیلان- رشت

3 عضو هیات علمی - گروه علوم دامی- دانشکده کشاورزی -دانشگاه گیلان

4 مجتمع فناوری های پیشرفته پزشکی، دانشگاه علوم پزشکی گیلان، رشت، ایران


به­منظور بررسی اثرات تزریق درون تخم­مرغی منابع مختلف منگنز بر عملکرد و خصوصیات استخوان درشت­نی جوجه­های گوشتی، تعداد 480 عدد تخم­مرغ بارور سویه راس 308 در قالب طرح کاملا تصادفی به 6 تیمار، 4 تکرار و 20 تخم‌مرغ در هر تکرار اختصاص داده شد. تیمارهای آزمایشی شامل بدون تزریق یا شاهد منفی (NC)، و تزریق 1 میلی­لیتر سرم فیزیولوژی یا شاهد مثبت (PC)، 1 میلی­لیتر سولفات منگنز (MnS)، 1 میلی­لیتر منگنز- متیونین (MnM)، 1 میلی­لیتر نانو منگنز (NMn) و 1 میلی­لیتر نانو منگنز متیونین (NMnM)بودند. نتایج به‌دست­آمده نشان دادند که تزریق درون تخم­مرغی منابع مختلف منگنز سبب بهبود رشد جوجه­های گوشتی شد.بیشترین و کمترین افزایش وزن در کل دوره پرورش به­ترتیب مربوط به تیمار حاوی NMn و گروه PC بود (05/0>P). بهترین ضریب ­تبدیل ­غذایی در کل دوره آزمایش مربوط به تیمار NMn و NMnM بود (05/0>P). طول استخوان درشت­نی در سن 21 روزگی در تیمار حاوی MnS به­طور معنی­داری بالاتر بود (05/0>P) و وزن تر و خشک استخوان درشت­نی در سنین 21 و 42 روزگی در تیمار حاوی NMn به­طور معنی­داری افزایش یافت (05/0>P). استحکام استخوان درشت­نی در سنین 21 و 42 روزگی به‌ترتیب در تیمارهای حاوی NMnM و NMn به­طور معنی­داری افزایش یافت (05/0>P). حجم، چگالی و درصد خاکستر استخوان درشت­نی در سنین 21 و 42 روزگی تحت تأثیر تیمارهای آزمایشی قرار نگرفتند )05/0P>). بر اساس نتایج این آزمایش به­نظر می­رسد که تزریق درون تخم­مرغی نانو ذرات منگنز به عنوان یک افزودنی خوراکی اثرات مثبتی بر عملکرد و خصوصیات استخوان درشت­نی   جوجه­های گوشتی دارد.


عنوان مقاله [English]

Effects of in ovo injection of different manganese sources on performance and tibia characteristics of broilers

نویسندگان [English]

  • Majid mottaghitalab 1
  • Minoo Mirzavandi Chegeni 2
  • Seyed Hossein Hhosseini moghadam 3
  • Mostafa Golshekan 4
1 Uni. of Guilan/Member of Academic Staff +Guilan Science and Tehnology park/ Director
2 Ph.D. Student -Department of Animal science, Faculty of agriculture, University of Guilan
3 Member of Academic staff- Univesity of Guilan Faculty of Agriculture, Department of Animal Sciences
4 Institute of Medical Advanced Technologies , Guilan University of Medical Sciences
چکیده [English]

In order to investigate the effects of in ovo injection of different sources of manganese on performance and tibia characteristics of broilers, a total of 480 fertile eggs from ROSS 308 were assigned to 6 treatments, 4 replicates of 20 eggs per replicate in a completely randomized design. The experimental treatments included non-injected (negative control, NC), injection of1 ml serum physiology(positive control, PC), 1 ml of manganese sulfate (MnS), 1 ml of manganese- methionine (MnM), 1 ml of nano manganese (NMn) and 1 ml of nano manganese methionine (NMnM). The results showed that the in ovo injection of different sources of manganese lead to improvement in broilers growth. The highest and lowest body weight gain in entire production period were recorded for NMn and PC group, respectively (P<0.05). NMn and NMnM groups showed the best feed conversion ratio in whole experimental period (P<0.05). The tibia length at 21 day of age was significantly higher in treatment containing MnS and fresh and dry weights of tibia at 21 and 42 days of age were significantly increased with NMn (P<0.05). The tibia breaking strength at 21 and 42 days of age was significantly increased in treatments containing NMnM and NMn (P<0.05). The tibia volume, density and ash percentage were not affected by experimental treatments on 21 and 42 days of age (P>0.05). According to these results, it seems that the in ovo injection of manganese nanoparticles as a feed additive has positive effects on performance and tibia characteristics of broilers.

کلیدواژه‌ها [English]

  • Broilers
  • In ovo injection
  • manganese-methionine
  • nano manganese
  • Performance
  • tibia
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