نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار گروه علوم دام و طیور - پردیس ابوریحان - تخصص:‌تغذیه طیور

2 دانشجوی فارغ التحصیل کارشناسی ارشد، گروه علوم دام و طیور، پردیس ابوریحان دانشگاه تهران، تهران-ایران

3 دانشیار، گروه علوم دام و طیور، دانشکدگان ابوریحان، دانشگاه تهران، پاکدشت، ایران.

چکیده

تاثیر منابع مختلف مس بر عملکرد رشد، برخی فراسنجه‌های بیوشیمیایی و ایمنی خون، جمعیت میکروبی روده کوچک و کیفیت گوشت با استفاده از 240 قطعه جوجه‌ی گوشتی نر یک روزه در قالب طرح کاملا تصادفی با پنج تیمار و چهار تکرار از سن یک تا 42 روزگی بررسی شد. تیمارها شامل تیمار شاهد (جیره بدون مس) و چهار جیره حاوی 16 میلی‌گرم در کیلوگرم مس از منابع گلایسین مس، سولفات مس، نانوکلات مس و نانوگلایسین مس بودند. نتایج نشان داد استفاده از منابع مختلف مس تاثیری بر عملکرد رشد، برخی فراسنجه‌های بیوشیمیایی و درصد هتروفیل، لنفوسیت، گلبول سفید، تیتر آنتی بادی علیه بیماری نیوکاسل، کلسترول، تری گلیسرید، ظرفیت نگهداری آب و pH گوشت جوجه‌های گوشتی نداشت. وزن نسبی دستگاه گوارش در پرندگان تغذیه شده با جیره حاوی گلایسین مس از پرندگان دریافت کننده نانوکلات مس کمتر بود (0/05>P). کل جمعیت میکروبی ایلئوم پرندگان تغذیه شده با جیره‌های بدون مس و سولفات مس بیشتر از پرندگان دریافت کننده جیره حاوی گلایسین مس بود(0/01>P). میزان مالون‌دی‌آلدئید گوشت پرندگان تغذیه شده با جیره‌های حاوی گلایسین مس و نانوگلایسین مس شش روز بعد از نگهداری در یخچال، کمتر از سایر پرندگان بود(0/01>P). بر اساس نتایج حاصل، بیشترین تفاوت تاثیر منابع آلی، معدنی و نانومس بر اکسیداسیون گوشت بود و بر صفات عملکردی و ایمونولوژیکی جوجه‌های گوشتی تاثیری مشاهده نشد.

کلیدواژه‌ها

عنوان مقاله [English]

The study on the effect of organic, mineral, and nano-copper sources on performance, blood biochemical and immune parameters, small intestinal microbial population and meat quality of broiler chicken

نویسندگان [English]

  • shokoufe ghazanfari 1
  • mohammad ahmadpanah 2
  • seyed davood sharifi 3

1 Department of poultry and animal science

2 M. Sc. Student, Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Pakdasht, Tehran-Iran

3 Associate Professor Department of Animal and Poultry Sciences, College of Aburaihan, University of Tehran, Pakdasht, Tehran-Iran

چکیده [English]

The effects of different sources of copper supplementation on growth performance, some blood biochemical and immune parameters,
microbial population of small intestine and meat quality were investigated with using of 240 male broiler chicks in a completely randomized
design with 5 treatments and 4 replicates from 1 to 42 days. Treatments consisted of control treatment (basal diet without copper supplement)
and four diets containing 16 mg/kg of copper-glycine, copper-sulfate, copper-nanochelate and copper nano-glycinec. The results showed that
the use of different sources of copper had no effect on growth performance, some blood biochemical parameters and percentage of
heterophil, lymphocyte, white blood cell, antibody titer against Newcastle disease, cholesterol, triglycerides and water holding capacity and
pH of meat of broilers. Gastrointestinal relative weight in birds fed with diet containing copper-glycine was lower than the birds receiving
copper-nanochelate (P<0.05). The total microbial population of ileum in birds fed diets without copper and copper-sulfate was higher than
birds receiving diet containing copper-glycine (P<0.01). Meat malondialdehyde concentration of birds fed with diets containing copperglycine
and copper nano-glycine after 6 day of storage at refrigerator was lower than other birds (P<0.01). According to the results, the use
of 16 mg/kg of copper from organic, mineral and nano sources in the diet has no effect on growth performance, immune system and ileal
microbiota in broilers, but the use of copper-glycine and copper nano-glycine supplements in the diet reduces the oxidation of meat.

کلیدواژه‌ها [English]

  • Broiler Chicken
  • Microbial population
  • Meat quality
  • Copper sources
  • Nano particles
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