@article { author = {safamehr, ali reza and aghaii, neamat-o-lah and chegani azar, saied}, title = {Effect of Fish Oil on Performance, Fatty Acid Composition, Cholesterol and Triglyceride Content of Selected Tissues in Broiler Chicks}, journal = {Iranian Journal of animal Science}, volume = {39}, number = {1}, pages = {-}, year = {2009}, publisher = {پردیس کشاورزی و منابع طبیعی دانشگاه تهران}, issn = {2008-4773}, eissn = {2423-7949}, doi = {}, abstract = {This study was conducted to determine the effects of four different dietary levels of fish oil on performance, fatty acids composition, cholesterol and triglyceride in liver, breast and thigh muscle of broiler chicks. Two hundred and forty d-old male broiler chicks in a completely randomized design were allotted with four replicates. Broilers were fed isonitrogenous and isoenergetic diets containing 0, 1, 2 and 3% fish oil levels (treatments 1, 2, 3 and 4 respectively) ad-libitum in both starter (11 to 21 d) and growth periods. During the final week of the experiment (42 to 49 d) fish oil was removed from the diets. All of experimental groups were fed with the same diet to 10 d-old. The body weight gain, as well as feed efficiency were higher in broilers fed with fish oil as compared with control. The differences in feed intake were not significant. The fatty acid profiles in tissues were altered by fish oil. The effects of different levels of FO were not significant on cholesterol and triglyceride, except for the concentration of cholesterol in liver (p}, keywords = {.,broiler,enrichment,fish oil,performance}, title_fa = {اثر سطوح مختلف روغن ماهی روی عملکرد و میزان اسیدهای چرب، کلسترول و تری گلیسرید در بافت‌های انتخابی در جوجه‌های گوشتی}, abstract_fa = {این آزمایش برای ارزیابی اثر سطوح مختلف روغن ماهی روی عملکرد، ترکیب اسید چرب و میزان کلسترول و تری گلیسرید بافت های کبد، سینه، ران در جوجه های گوشتی نر(240 قطعه سویه راس) با چهار گروه آزمایشی(1: شاهد، جیره 2: 1% روغن ماهی ،3: 2% روغن ماهی، 4: 3% روغن ماهی) و چهار تکرار در یک طرح کاملا تصادفی از یک روزگی تا 49 روزگی (دوره آغازین، رشد و پایانی به مدت یک هفته پس از حذف روغن ماهی) انجام گرفت. همه جوجه ها تا 10 روزگی جیره یکسان دریافت کردند. نتایج نشان داد در مقایسه با گروه شاهد تغذیه با جیره های غذایی حاوی روغن ماهی موجب افزایش معنی دار وزن بدن، سرعت رشد جوجه ها و بازده مصرف خوراک گردید(05/0P}, keywords_fa = {امگا-3,جوجه گوشتی,روغن ماهی,عملکرد.,کلسترول}, url = {https://ijas.ut.ac.ir/article_20700.html}, eprint = {https://ijas.ut.ac.ir/article_20700_b4100fa6debfab89eca5f60ac75a7ac9.pdf} }