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تاثیر استفاده از روغن سوخته و تصفیه شده با جاذب های معدنی مختلف بر عملکرد و فراسنجه‌های خونی جوجه‌های گوشتی | ||
| علوم دامی | ||
| دوره 35، شماره 134، خرداد 1401، صفحه 131-144 اصل مقاله (1.34 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2021.343198.2073 | ||
| نویسندگان | ||
| ام هانی طهماسبی1؛ محمود شمس شرق* 2؛ رضا میرشکار3 | ||
| 1دانش آموخته دکتری تغذیه دام و طیور دانشکده علوم دامی دانشگاه علوم کشاورزی و منابع طبیعی گرگان. | ||
| 2دانشیارگروه تغذیه دام و طیور دانشکده علوم دامی دانشگاه علوم کشاورزی و منابع طبیعی گرگان. | ||
| 3استادیار گروه تغذیه دام و طیور دانشکده علوم دامی دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
| چکیده | ||
| این آزمایش جهت بررسی استفاده از روغن تصفیه شده با جاذب‌های مختلف در خوراک جوجه گوشتی و تاثیر آن بر عملکرد و فراسنجه‌های خونی انجام شد. روغن سویا در دمای 180 درجه سلسیوس به مدت 20 ساعت حرارت دید. سپس جاذب‌ها به روغن سوخته افزوده و کیفیت روغن ارزیابی شد. حرارت، سبب افزایش عدد پراکسید، اسیدی، یدی و کربونیل روغن شد (05/0P<). تصفیه روغن سوخته با جاذب‌های مختلف، کیفیت روغن را بهبود بخشید (05/0P<). سپس، امکان استفاده از روغن تصفیه شده در 480 قطعه جوجه گوشتی سویه تجاری راس308 در قالب 8 تیمار، 5 تکرار و 12 قطعه جوجه در هر تکرار بررسی شد. تیمارهای آزمایشی عبارت بودند از: T1: کنترل (3 درصد روغن خام)، T2: روغن خام و ppm200 آلفاتوکوفرول، T3: 3 درصد روغن سوخته، T4: روغن سوخته و ppm200 آلفاتوکوفرول، T5: روغن سوخته تصفیه شده با سیلیکات کلسیم، T6: روغن سوخته تصفیه شده با زئولیت، T7: روغن سوخته تصفیه شده با خاکستر پوسته برنج، T8: روغن سوخته تصفیه شده با ترکیب جاذب‌های معدنی. نتایج نشان داد افزودن روغن سوخته تصفیه نشده منجر به کاهش چشم‌گیری در وزن‌گیری جوجه‌ها و افزایش معنی‌دار ضریب تبدیل غذایی در کل دوره پرورش گردید (05/0P<). افزودن آلفاتوکوفرول و تصفیه روغن بخشی از اثرات منفی روغن سوخته را جبران نمود(05/0P<). روغن سوخته تصفیه نشده ازکمترین غلظت پروتئین کل در مقایسه با سایر تیمارها برخوردار بود (05/0P<). این نتایج نشان داد که افزودن آلفاتوکوفرول، سلیکات کلسیم و ترکیبی از3 جاذب معدنی به روغن سوخته منجر به بهبود عملکرد رشد در کل دوره پرورش می شود. | ||
| کلیدواژه‌ها | ||
| تصفیه روغن؛ جاذب معدنی؛ عملکرد؛ جوجه گوشتی | ||
| عنوان مقاله [English] | ||
| The effects of feeding oxidized and refined oils with various mineral adsorbents on broiler’s performance and blood parameters | ||
| نویسندگان [English] | ||
| omhani tahmasbi1؛ mahmoud shams ahargh2؛ reza mirshekar3 | ||
| 1Student. Department of Poultry Science, Gorgan University of Agricultural Sciences and Natural Resources, Iran | ||
| 3Department of Poultry Science, Gorgan University of Agricultural Sciences and Natural Resources, Iran | ||
| چکیده [English] | ||
| This experiment was conducted to investigate the possibility of using refined oil with various adsorbents in broiler chicken feed and its effect on performance and blood parameters. Soybean oil was heated at 180C for 20 hours. Then various adsorbents were added to it and the quality of oil was evaluated. Heating increased (P<0.05) peroxide, acidic, iodine, and carbonyl values in heated oil. Treatment of burned oil with adsorbents improved oil quality (P<0.05). Then, the possibility of using refined oil in 480 broiler chicks of the commercial strain of Ross 308 was investigated in 8 treatments, 5 replications, and 12 chicks per replicate. Dietary treatments were as: T1: Control (3% crude oil), T2: 3% crude oil+200 ppm α-tocopherol, T3: 3% oxidized oil, T4: 3% oxidized oil+200 ppm α-tocopherol, T5: 3% refined oil using calcium silicate, T6: 3% refined oil using zeolite, T7: 3% refined oil using rice hull ash, T8: 3% refined oil using a mixture of 3 absorbents. The results showed that adding untreated burnt oil to diet led to a remarkable decrease in chicken’s weight gain and significant increase in FCR in the entire rearing period (P < 0.05). Using α-tocopherol and refining oil compensated for some negative effects of burned oil (P<0.05). Untreated burnt oil had the lowest total protein concentration compared to other treatments (P < 0.05). These results showed that addition of alpha-tocopherol, calcium silicate, and a combination of the three inorganic adsorbents to burnt oil leads to improved growth performance during the entire growth period. | ||
| کلیدواژه‌ها [English] | ||
| oil recovery, mineral adsorbent, performance, broiler chicken | ||
| مراجع | ||
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