نوع مقاله : مقاله پژوهشی
نویسندگان
1 'گروه علوم دامی، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ایران
2 استاد، گروه علوم دامی، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران
3 دانشیار، گروه علوم دامی، دانشکده علوم دامی و شیلات، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران
4 دانشیار، گروه گیاهپزشکی، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران
چکیده
اثر استفاده از کنجاله تخم آفتابگردان تخمیر شده با قارچ آسپرژیلوس نایجر و مخمر ساکارومایسس سرویزیه بر عملکرد، ویژگی‌های لاشه، گوارش‌پذیری مواد مغذی و فراسنجه‌های خونی ، با 200 قطعه جوجه گوشتی نر یک‌روزه سویه راس 308، در قالب طرح کاملاً تصادفی با پنج تیمار بررسی شد. تیمارهای آزمایشی شامل: 1- جیره حاوی کنجاله تخم آفتابگردان تخمیر شده توسط قارچ آسپرژیلوس نایجر 2- جیره حاوی کنجاله تخم آفتابگردان تخمیر شده توسط مخمر ساکارومایسس سرویزیه 3- جیره حاوی کنجاله تخم آفتابگردان تخمیر شده توسط هر دو قارچ آسپرژیلوس نایجر و مخمر ساکارومایسس سرویزیه4-جیره حاوی کنجاله تخم آفتابگردان بدون فرآوری 5-جیره شاهد بر پایه‌ی ذرت و کنجاله سویا بودند. در دوره‌های آغازین و پایانی مصرف خوراک روزانه در تیمار شاهد و تیمار یک بیشتر از سایر تیمارها بود (05/0>P). در کل دوره پرورش نیز مصرف خوراک در تیمار شاهد بیشتر از سایر تیمارها بود. در دوره آغازین و دوره رشد، افزایش وزن روزانه در تیمار شاهد و تیمار یک بیشتر از سایر تیمارها بود (05/0>P). در دوره پایانی ضریب تبدیل غذایی درتیمار یک و در کل دوره پرورش ضریب تبدیل غذایی در تیمار شاهد و تیمار یک بهتر از سایر تیمارها بود (05/0>P). گوارش‌پذیری ماده خشک، پروتیین خام و چربی خام در تیمار شاهد بیشتر از سایر تیمارها بود (05/0>P). بطور کلی، نتایج نشان داد که استفاده از کنجاله آفتابگردان تخمیر شده با قارچ آسپرژیلوس نایجر در کل دوره پرورش در مقایسه با تیمار شاهد تاثیر منفی بر ضریب تبدیل غذایی نداشت و همچنین درصد چربی محوطه شکمی را نیز کاهش داد.
کلیدواژه‌ها
عنوان مقاله [English]
Effects of fermented sunflower seed meal with Aspergillus niger and Saccharomyces cerevisiae on performance, nutrient digestibility, immune response, and some blood parameters in broiler chicks
نویسندگان [English]
- Zahra Karimi Banrivand 1
- Mansour Rezaei 2
- Mohammad Kazemi Fard 3
- Mohammad Ali Tajick Ghanbari 4
1 Department of Animal Science, College of Animal Science and Fisheries, Sari Agricultural and Natural Sciences University, Sari, Iran
2 Professor, Department of Animal Science, College of Animal Science and Fisheries, Sari Agricultural and Natural Sciences University, Sari, Iran
3 Associate Professor, Department of Animal Science, College of Animal Science and Fisheries , Sari Agricultural Sciences and Natural Resources University, Sari, Iran
4 Associate Professor, Department of Plant Protection, College of Crop Sciences, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
چکیده [English]
This research was carried out to evaluate the effect of sunflower seed meal fermented with Aspergillus niger and Saccharomyces cerevisiae on performance, nutrient digestibility, immune response, some blood parameters in 200 male Ross 308 broiler chicks in a completely randomized design. with five treatments. Experimental treatments were: 1- Diet containing sunflower seed meal fermented by Aspergillus niger 2- Diet containing sunflower seed meal fermented by Saccharomyces cerevisiae 3- Diet containing sunflower seed meal fermented by both Aspergillus niger and Aspergillus niger 4- Diet containing sunflower seed meal without processing 5-Control diet based on corn and soybean meal. Feed intake in control and treatment 1 were higher than the other treatments in starter and finisher periods of the experiment (P<0.05). Daily Feed intake in control group was higher than the other treatments in whole period of the experiment (P<0.05). Daily weight gain in control and treatment 1 were higher than the other group in starter and grower periods of the experiment (P<0.05). Feed conversion ratio in treatment 1 was better in finisher phase. In whole period of the experiment, feed conversion ratio in control and treatment 1 was better than the other treatments (P<0.05). Dry matter, crude protein, crude fat digestibility in the control group was higher than the other treatments (P<0.05). In conclusion, inclusion of sunflower seed meal fermented with Aspergillus niger, in broiler diet showed similar feed conversion ratio in compared to control group in whole period of the experiment and also lowered abdominal fat percentage.
کلیدواژه‌ها [English]
- Bird
- Carcass characteristic
- Feed conversion ratio
- Microbial fermentation
- Immune response
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