Effects of Protexin Probiotic and Aquablend Avian Antibody on Performance and Immune System of Broiler Chickens
محورهای موضوعی : Camelن. جباری 1 , ا. فتاح 2 , ف. شیرمحمد 3
1 - Department of Animal Science, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran
2 - Department of Animal Science, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran
3 - Department of Animal Science, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran
کلید واژه: Performance, immune system, broilers, aquablend avian, protexin,
چکیده مقاله :
This study was conducted to investigate the effects of protexin probiotic and aquablend avian antibody on the performance and immune system of broilers. In this experiment, 320 1-day-old male broiler chicks of the Ross 308, with 5 treatments and 4 replications in a completely randomized design were distributed in experimental units (cages). The treatments include: control (C), protexin (P1), protexin (P2) with double there commended dose, aquablend (A1) and aquablend (A2) aquablend twice there commended amount. The results showed that protexin probiotic and aquablend avian antibody in different doses had no significant effects on average weight gain and feed consumption of broilers at different week (P>0.05). A significant difference between treatments was observed in feed conversion ratio at the second and fifth weeks (P<0.05). Consumption protexin probiotic and aquablend avian antibody with different doses has significant effect on the relative weight of carcasses (P<0.01). Consumption protexin probiotic and aquablend avian antibody with different doses had no significant effect on antibody titers produced in primary and secondary challenge with sheep red blood cells (P>0.05). According to results of this research, it seems that the using of protexin probiotic and aquablend avian antibody has not importance effect on improving the performance of broilers except for carcass weight.
این مطالعه به منظور بررسی اثرات پروبیوتیک پروتکسین و آنتیبادی آکوآبلند بر عملکرد و سیستم ایمنی جوجههای گوشتی انجام شد. در این آزمایش تعداد 320 قطعه جوجه خروس گوشتی یکروزه از سویه راس 308 با 5 تیمار و 4 تکرار در قالب طرح کامل تصادفی در واحدهای آزمایشی (قفس) توزیع شدند. تیمارهای آزمایشی شامل: شاهد (C)، پروتکسین (P1)، پروتکسین (P2) با دو برابر مقدار توصیه شده، آکوابلند (A1) و آکوابلند (A2) با دو برابر مقدار توصیه شده بود. نتایج آزمایش نشان دادند که پروبیوتیک پروتکسین و آنتیبادی آکوآبلند در دزهای مختلف اثر معنیداری بر متوسط افزایش وزن و خوراک مصرفی جوجههای گوشتی در هفتههای مختلف نداشتند (05/0<P). اختلاف معنیداری بین تیمارها در ضریب تبدیل غذایی در هفته دوم و پنجم مشاهده شد (05/0>P) مصرف پروبیوتیک پروتکسین و آنتیبادی آکوآبلند با دزهای مختلف اثر قابل ملاحظهای بر وزن نسبی لاشه داشت (01/0>P). مصرف پروبیوتیک پروتکسین و آنتیبادی آکوآبلند با دزهای مختلف اثر معنیداری بر تیتر آنتیبادی با سلولهای قرمز خون گوسفند تولید شده در چالش اولیه و ثانویه نداشت (05/0<P). با توجه به نتایج حاصل از این پژوهش، به نظر میرسد که استفاده از پروبیوتیک پروتکسین و آنتیبادی آکوآبلند اثر مهمی در بهبود عملکرد جوجههای گوشتی به جز وزن لاشه نداشت.
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