تأثیر مکمل‌های سولفات مس و آرژنین بر عملکرد و خصوصیات لاشه در جوجه‌های گوشتی تغذیه شده با جیره‌های بر پایه کنجاله کانولا

Subject Areas : Camel

ص. عظیمی ‌یوالاری ¹ ( Department of Animal Science, Faculty of Agriculture, Urmia University, Urmia, Iran )
پ. فرهومند ² ( Department of Animal Science, Faculty of Agriculture, Urmia University, Urmia, Iran )
پ. باغبان کنعانی ³ ( Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran )
ب. حسین‌تبار قاسم‌آباد ⁴ ( Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran )

Received: 2017-02-09 Accepted : 2017-04-30 Published : 2017-12-01

Keywords: جوجه گوشتی, سولفات مس, آرژنین, چربی محوطه بطنی, سکوم, دئودنوم, گلوکوزینولات‌,

Abstract :

هدف از این آزمایش بررسی اثرات سولفات مس (0، 125 و 250 میلی‌گرم در کیلو‌گرم)، مکمل آرژنین (0، 1/0 و 2/0 درصد) و محتوی گلوکوزینولات بر عملکرد و خصوصیات لاشه در جوجه­های گوشتی تغذیه شده با جیره­های بر پایه کنجاله کانولا بود. آزمایش به شکل آزمون فاکتوریل 3 × 3 در قالب طرح کاملاً تصادفی با 405 قطعه جوجه­ گوشتی نر در یک دوره­ 3 هفته­ای (42-22 روزگی) انجام گرفت. میانگین افزایش وزن بدن و ضریب تبدیل خوراک تحت تأثیر سطح 250 میلی­گرم در کیلو­گرم مس قرار گرفت (05/0>P). عمل­آوری کنجاله کانولا با مس (01/0>P) و افزودن سطح 2/0 درصد آرژنین (05/0>P) به جیره به طور معنی­داری وزن سینه را افزایش داد. همچنین، وزن نسبی ران نیز به طور معنی­داری تحت تأثیر سطح 250 میلی­گرم در کیلوگرم مس و 2/0 درصد آرژنین قرار گرفت (05/0>P). مکمل­سازی سطح 2/0 درصد آرژنین باعث کاهش چربی حفره شکمی (01/0>P)، وزن شش­ها (05/0>P) و بالعکس افزایش وزن دوازدهه (05/0>P) و ژژنوم (01/0>P) گردید. پایین­ترین وزن سکوم در جوجه­های تغذیه شده با جیره­های بر پایه کنجاله کانولا عمل­آوری شده با سطح 250 میلی­گرم در کیلو­گرم مس مشاهده شد (05/0>P). به طور کلی نتایج این آزمایش نشان داد که عمل‌آوری کنجاله کانولا با مس می­تواند باعث کاهش اثرات مضر گلوکوزینولات­ها بر عملکرد جوجه­های گوشتی گردد. علاوه بر این، افزودن سطح 2/0 درصد آرژنین می­تواند باعث تغییر تقسیم­بندی انرژی به سمت ذخیره پروتئین و کاهش چربی محوطه بطنی گردد.

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