نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش‌آموختۀ دکتری، گروه علوم دامی، دانشکدۀ علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج
2 دانشیار، گروه علوم دامی، دانشکدۀ علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج
3 دانشیار پژوهش، مرکز تحقیقات گیاهان دارویی، پژوهشکدۀ گیاهان دارویی جهاد دانشگاهی، کرج، ایران
چکیده
در این تحقیق به‌منظور بررسی تأثیر نوع و سطح مصرفی تانن بر هضم شکمبه‌ای پروتئین کنجاله‌های کلزا و سویا دو نوع آزمایش انجام شد. در آزمایش اول ترکیب تانن انار-پسته به‌منظور فرآوری کنجالۀ سویا (کنترل، 10 و 15 درصد از مادۀ خشک کنجاله) و کنجالۀ کلزا (کنترل، 5 و 10 درصد از مادۀ خشک کنجاله) استفاده شد. در آزمایش دوم ترکیب تانن‌های مختلف (انار-پسته، چای-پسته و انار) در یک سطح یکسان ( 10 درصد از مادۀ خشک کنجاله‌ها) برای فرآوری هر یک از کنجاله استفاده شد. درنهایت بخش‌های مختلف پروتئین کنجاله‌های فرآوری‌شده و نشده بر پایۀ روش CNCPS با پودر ماهی و کنجالۀ گلوتن ذرت مقایسه شدند. ترکیب تاننی انار-پسته در سطح 10 درصد برای کنجالۀ سویا و 5 درصد برای کنجالۀ کلزا می‌تواند سبب افزایش بخش عبوری قابل‌هضم در روده شود. این فرآوری‌ها نسبت به خوراک‌هایی مانند پودر ماهی و کنجالۀ گلوتن ذرت بخش عبوری بیشتری را داشته‌اند. درنهایت چنین به نظر می‌رسد که کنجاله‌های فرآوری‌شده با ترکیب‌های تانن‌دار می‌توانند برای تأمین بخش عبوری در جیرۀ نشخوارکنندگان استفاده شوند. اما استفاده از روش‌های درون تنی برای تأیید این نتایج ضروری به نظر می‌رسد.
کلیدواژه‌ها
عنوان مقاله [English]
Effects of semi-pure tannin usage, on crude protein fractions of soy bean meal and canola meal by CNCPS
نویسندگان [English]
- Narges Vahdani 1
- Mehdi Dehghan-banadaky 2
- Kamran Rezayazdi 2
- Farahnaz Khalighi-Sigaroodi 3
1 Ph.D. Graduated, Department of Animal Science, Agricultural Faculty, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
2 Associate Professor, Department of Animal Science, Agricultural Faculty, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
3 Associate Professor, Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran
چکیده [English]
In this research to investigate of the effect of tannin`s type and level on rumenal degradation of soybean meal (SBM) and canola meal (CM), two experiments have be done. At first experiment supplements were treated by semi-pure tannin of pomegranate-pistachio (PP), in different levels (0, 10 and 15 % of DM for SBM and 0, 5 and 10% of DM for CM). In second experiment, these supplements were treated by (PP), pomegranate-tea (PT) and sole pomegranate (P) at same levels (10% of DM). The effects of these treatments on protein fractioning of treated and untreated SMB and CM was determined by, CNCPS system, in comparison with fish meal (FM) and corn gluten meal (CGM), as a sources of bypass protein. According to results, treated SBM by PP 10% (SBM-PP) and treated CM by PP5% could increase bypass protein fraction in comparison with FM and CGM. So it can be concluded that these treatments, could be used in reminant diet to provide by pass protein, but further research is necessary to investigate in vivo effects of these treatments.
کلیدواژه‌ها [English]
- Canola meal
- protein
- soybean meal
- Tannins
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