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اثر تغذیه مکمل مس بر عملکرد و فراسنجه‌های خونی بزغاله‌های اخته شده مهابادی | ||
| علوم دامی | ||
| مقاله 1، دوره 32، شماره 125، اسفند 1398، صفحه 3-14 اصل مقاله (1014.79 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2018.116516.1582 | ||
| نویسندگان | ||
| مهدی افتخاری* 1؛ ابوالفضل زالی2؛ امیر اکبری افجانی3؛ مهدی گنج خانلو4؛ علی هاتفی5 | ||
| 1بخش دام و طیور، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان قزوین، سازمان تحقیقات، آموزش و ترویج کشاورزی و منابع طبیعی، قزوین، ایران. | ||
| 2دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران. | ||
| 3دانش آموخته مقطع دکتری تغذیه نشخوارکنندگان از دانشگاه زنجان. | ||
| 4• دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران. | ||
| 5دانش آموخته مقطع دکتری فیزیولوژی از دانشگاه تهران. | ||
| چکیده | ||
| به منظور بررسی اثر مکمل مس بر عملکرد بزغاله‌های مهابادی، از 14 راس بزغاله اخته شده با میانگین وزن 2± 21 کیلوگرم در قالب یک طرح کامل تصادفی با دو تیمار و هفت تکرار (7 رأس بزغاله در هر تیمار) استفاده شد. تیمارهای آزمایشی شامل تیمار شاهد (بدون مکمل مس) و تیمار حاوی مکمل مس (100 میلی گرم مکمل مس به ازای هر رأس در روز) بود. بزغاله‌ها دوبار در روز (ساعت00 : 6 و ساعت00 : 18) و به مدت 90 روز با جیره ای حاوی 70 کنسانتره و 30 درصد علوفه تغذیه شدند. مس به شکل مکمل سولفات مس به صورت سرک در تیمار حاوی مس استفاده شد. اندازه‌گیری خوراک مصرفی به صورت روزانه و وزن بزغاله ها هر دو هفته یک‌بار انجام شد. جهت تعیین فراسنجه های خونی در روزهای مشخص گردید. نتایج نشان داد مصرف مکمل مس در سطوح بالا در جیره بزغاله‌های مهابادی اثر منفی معنی داری بر افزایش وزن روزانه نداشت (05/0<P). قابلیت هضم ظاهری مواد مغذی و نیز غلظت متابولیت-های خونی شامل تری‌گلیسرید، کلسترول و گلوگز نیز تحت تاثیر استفاده از مکمل مس قرار نگرفت (05/0<P)؛ بر اساس نتایج آزمایش حاضر استفاده از مکمل مس در جیره بزغاله های اخته شده مهابادی به میزان روزانه 100 گرم به ازای هر رأس اثر منفی بر عملکرد و خصوصیات لاشه بزغاله های اخته شده مهابادی نداشت و آنها قادر به تحمل این سطح از مکمل مس در جیره بودند. | ||
| کلیدواژه‌ها | ||
| مس؛ خوراک مصرفی؛ کلسترول؛ تری گلیسرید؛ بز | ||
| عنوان مقاله [English] | ||
| Effect of copper supplement on performance and blood parameters in Mahabadi castrated kids | ||
| نویسندگان [English] | ||
| M. Eftekhari1؛ abolfazl zali2؛ amir akbari3؛ mahdi ganjkhanlou4؛ ali hatefi5 | ||
| 2ut | ||
| 3zu | ||
| 4ut | ||
| 5ut | ||
| چکیده [English] | ||
| In order to study the effect of Cu supplement on performance of Mahabadi kids, fourteen castrated Mahabadi male kids with average weight of 21±2 Kg were used in this experiment as a completely random design with 2 treatments and 7 replications (7 kids in each treatments). Treatments included control (without Cu supplement) and Cu treatment (100 mg Cu supplement/d). The kids were fed two times daily (h 6:00 and 18) during 90 days by a diet contained 70% concentrate and 30% forage. Cu supplement was fed as top dress in Cu treatment. Daily feed intake and Body weight were recorded daily and every 2 weeks respectively. Determination of Blood parameters were done by bleeding in day 90 of trial and nutrient digestibility were done by feacal sampling during days 85-90. At the end of trial the kids were slaughtered and carcass parameters and carcass tissue components were determined. The results showed the use of copper supplement at high levels in diets of Mahabadi kids hadn’t significant effect on average daily gain (P> 0.05). Apparent nutrient digestibility and blood metabolite concentration including triglycerides, cholesterol and glucose were not affected by Cu supplement (P> 0.05). Based on the current experiment results, the use of Cu supplement in the ration of castrated Mahabadi male kids (100 mg Cu supplement/d) had no negative effect on performance and carcass characteristics of Mahabadi male kids and they were capable to endure this level in the ration. | ||
| کلیدواژه‌ها [English] | ||
| Cu, Feed intake, Cholesterol, Triglyceride, goat | ||
| مراجع | ||
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