نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش آموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه جیرفت، کرمان، ایران.
2 دانشیار، گروه علوم دامی ، دانشکده کشاورزی، دانشگاه جیرفت، کرمان، ایران.
3 استادیار، گروه علوم دامی ، دانشکده کشاورزی، دانشگاه جیرفت، کرمان، ایران.
چکیده
اثر منابع مختلف روغن گیاهی بر عملکرد رشد، خصوصیات لاشه و شاخص‌های بیوشیمیایی خون جوجه‌های گوشتی، با استفاده از 160 قطعه جوجه گوشتی نر یک‌روزه سویه راس 308 در قالب طرح کاملاً تصادفی با چهار تیمار، چهار تکرار و 10 پرنده در هر تکرار بررسی شد. تیمارهای آزمایشی شامل: 1-جیره پایه و روغن سویا، 2-جیره پایه و روغن آفتابگردان، 3-جیره پایه و روغن کانولا و 4- جیره پایه و روغن کنجد بودند. اثر منبع روغن بر مصرف خوراک در دوره‌های مختلف پرورش معنی‌دار نبود. در دوره رشد، پایانی و کل دوره پرورش، جوجه‌های تغذیه شده با روغن کنجد و کانولا افزایش وزن بالاتر و ضریب تبدیل خوراک کمتری را در مقایسه با جوجه‌های تغذیه شده با دیگر منابع روغن داشتند (p>0/05). هزینه خوراک مصرفی در جیره های حاوی روغن کنجد بالاتر از سایر جیره های آزمایشی بود و پرنده های تغذیه شده با جیره حاوی روغن کنجد سود کم تری در مقایسه با پرنده های تغذیه شده با روغن سویا و کانولا داشتند(p>0/05). وز ننسبی لاشه، سینه و ران در جوجه های تغذیه شده با روغن کنجد و کانولا بیشتر بود(p>0/05). کلسترول سرم خون جوجه های تغذیه شده با روغن کنجد کمتر از سایر تیمارها بود(p>0/05). باتوجه به مشاهده عملکرد بهتر در جوجه های تغذیه شده با روغن کنجد و کانولا با در نظر گرفتن هزینه پایین تر و سود بالاتر جیره حاوی روغن کانولا در مقایسه با روغن کنجد مصرف آن در جیره جوجه های گوشتی توصیه می شود.
کلیدواژه‌ها
عنوان مقاله [English]
Effect of different oil sources on growth performance, biochemical blood metabolites and carcass characteristics of broilers
نویسندگان [English]
- Hamid Molaiee moghbeli 1
- Mozhgan Mazhari 2
- Omidali Esmaeilipour 2
- Hossein Doomari 3
1 Animal Science Department, Faculty of Agriculture, University of Jiroft, Kerman, Iran
2 University of Jiroft,, Faculty of Agriculture, Animal Science Department
3 Animal Science Department, Faculty of Agriculture, University of Jiroft, Kerman, Iran
چکیده [English]
Effect of different oil sources on growth performance, carcass characteristics and blood metabolites of broilers was studied using 160 male Ross broiler chickens in a completely randomized design with 4 treatments, 4 replicates and 10 birds each. Treatments included: 1) basal diet plus soybean oil, 2) basal diet plus sunflower oil, 3) basal diet plus canola oil and 4) basal diet plus sesame oil. Effect of different oil sources on feed intake was not significant in different periods. In grower, finisher and whole periods, sesame and canola oil fed birds showed better weight gain and feed conversion ratio compared to other oil sources. The food cost was significantly higher for diets including sesame oil compared to others and birds fed sesame oil had lower profit than canola and soybean oil fed birds (P<0.05). The relative weight of carcass, breast and thigh was higher in broiler fed with sesame and canola oil (P<0.05). The blood cholesterol decreased significantly in sesame oil treatment (P<0.05). Considering the lower price and higher profit of canola oil containing diets compared to sesame oil and also better performance of birds fed sesame and canola oil, we would recommend using canola oil in broiler diets.
کلیدواژه‌ها [English]
- Broiler
- canola oil
- cholesterol
- sesame oil
- ventral fat
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