نوع مقاله : مقاله پژوهشی
نویسندگان
1 بخش تحقیقات علوم دامی مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی ایلام، سازمان تحقیقات، آموزش و ترویج کشاورزی، ایلام، ایران
2 استادیار، بخش تحقیقات علوم دامی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی ایلام، سازمان تحقیقات آموزش و ترویج کشاورزی، ایلام ایران.
3 گروه علوم دامی، واحد ایلام، دانشگاه آزاد اسلامی، ایلام، ایران
چکیده
هدف از این مطالعه، بررسی اثر تغذیه پودر برگ زیتون در دورههای مختلف پرورش، بر ایمنی، جمعیت باکتریایی روده و پارامترهای بیوشیمیایی خون جوجههای گوشتی آرین بود. تعداد 336 قطعه جوجه گوشتی نر (سویه آرین 386) در قالب طرح کاملاً تصادفی با شش تیمار به‌مدت 42 روز مورد مطالعه قرار گرفت. تیمارهای آزمایشی شامل جیره شاهد (بدون برگ زیتون) و به سایر گروهها جیره حاوی یک درصد برگ زیتون تغذیه شد؛ از یک تا 14 روز، یک تا 21 روز، یک تا 28 روز، یک تا 35 روز و یک تا 42 روز. افزایش وزن بدن، مصرف خوراک و ضریب تبدیل خوراک در همه گروهها مشابه بود، اما نرخ تلفات در تیمار یک تا 42 روزگی کم‌تر از سایر تیمارها بود (01/0>P). میزان لیپوپروتئینهای با چگالی پایین در تیمارهای یک تا 35 روزگی و یک تا 42 روزگی کم‌تر از سایر تیمارها بود (05/0>P). فعالیت آلانین‌آمینوترانسفراز در تیمارهای شاهد بالاتر و در تیمار یک تا 42 روزگی کم‌تر از سایر تیمارها بود (05/0>P). جمعیت بالاتر لاکتوباسیلوس برای تیمارهای یک تا 28 روزگی، یک تا 35 روزگی و یک تا 42 روزگی در ژژنوم (01/0>P) و تیمارهای یک تا 21 روزگی، یک تا 28 روزگی، یک تا 35 روزگی و یک تا 42 روزگی در ایلئوم، در مقایسه با سایر تیمارها مشاهده شد (05/0>P). نتایج این آزمایش نشان داد که تغذیه 10 گرم بر کیلوگرم برگ خشک زیتون طی 42 روز دوره پرورش جوجههای گوشتی، بدون تأثیر منفی بر عملکرد و ایمنی، منجر به کاهش تلفات میشود.
کلیدواژه‌ها
عنوان مقاله [English]
The effect of olive leaf feeding on the immune response, blood parameters and intestine microbial population of Arian broiler chickens in different periods of breeding
نویسندگان [English]
- Saifali Varmaghany 1
- poorya Dadvar 2
- mansoor Ahmadi 3
- Hosang Jafari 1
1 Associate Professor, Animal Science Research Department, Ilam Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Ilam, Iran
2 Assistant Professor, Department of Animal Science Research, Ilam Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization, Ilam, Iran
3 , Department of animal science, Ilam Branch, Islamic Azad University, Ilam, Iran
چکیده [English]
The aim of this study was to investigate the effects of olive leaf powder feeding in different breeding periods on immunity, intestinal bacterial population and blood biochemical parameters of Arian broiler chickens. A total of 336 one-day-old male broiler (Arian strain 386) were studied in a completely randomized design with six treatments for 42 days. The experimental treatments included: control diet (without olive leaves) and the other groups were fed a diet containing 1% olive leaves: from one to14 days, one to 21 days, one to 28 days, one to 35 days and one to days. Body weight gain, feed intake and feed conversion ratio were similar in all groups, but the mortality rate in one to 42 days treatment was lower than other treatments (P <0.01). The amount of low-density lipoprotein-cholesterol in one to 35 days and one to 42 days treatments was lower than other treatments (P <0.05). The alanine aminotransferase activity in the control treatment was higher and in the one to42 days treatment was lower than other treatments (P <0.05). Higher population of Lactobacillus were observed for treatments of one to 28 days, one to 35 days and one to 42 days in jejunum (P <0.01) and one to 21 days, one to 28 days, one to 35 days and one to 42 days in ileum. (P <0.05). The results of this experiment showed that feeding 10 gr/kg of dry olive leaves during the 42 days of the breeding period of broilers led to a reduction in mortality without any negative effect on performance and immunity.
کلیدواژه‌ها [English]
- Antibody titers
- Arian broiler
- Lactobacillus
- Olive leaf
- Performance
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