نوع مقاله : مقاله پژوهشی

نویسنده

دانشگاه آزاد اسلامی واحد قائمشهر، تخصص: ژنتیک و اصلاح نژاد دام و طیور/ ژنتیک کمی/ بیومتری

چکیده

در این تحقیق اثر مصرف پودر گیاه خار مریم در جیره بر عملکرد رشد، فراسنجه­های خونی و آنزیم­های کبدی جوجه­های گوشتی با استفاده از 360 قطعه جوجه گوشتی نر سویه راس 308 مطالعه شد. فاکتورهای مورد مطالعه شامل پودر خار مریم در سه سطح صفر، 3/0 و سه درصد و آنتی‌بیوتیک کوتریموکسازول در دو سطح صفر و 2/0 درصد در هر کیلوگرم خوراک بود که به صورت آزمایش فاکتوریل در قالب طرح پایه کاملا تصادفی با شش تیمار و سه تکرار انجام شد. صفات عملکرد رشد، فراسنجه‌های خونی و آنزیم­های کبدی در پایان دوره آزمایش (42روزگی) اندازه­گیری شدند. سطوح مختلف پودر خار مریم سبب کاهش میانگین خوراک مصرفی و میانگین وزن بدن در کل دوره پرورش شد (05/0P<). مصرف پودر خار مریم سبب کاهش میزان فراسنجه­های کلسترول خون، تری گلیسرید، آنزیم آسپارتات آمینوترانسفراز و آنزیم آلانین آمینوترانسفراز سرم خون به ترتیب تا 6/12، 8/17، 16 و 7/59 درصد شد (01/0P<). بر اساس نتایج حاصل از این آزمایش استفاده از سطوح مختلف خار مریم سبب کاهش غلظت آنزیم­های کبدی می­شود. بنابراین استفاده از پودر گیاه دارویی خار مریم به میزان سه درصد جیره جوجه­های گوشتی باعث محافظت از کبد آن­ها می­شود.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of milk thistle powder on performance, blood parameters and liver enzymes of broilers

نویسنده [English]

  • Shahabodin Gharahveysi

چکیده [English]

This research was conducted to study the effects of the milk thistle powder on growth performance, blood parameters and liver enzymes in the 360 male broiler chicks (Ross 308). The studied factors were milk thistle powder at 0, 0.3 and 3% levels and antibiotic Cotrimoxazole at 0 and 0.2% per kg diet, which was a factorial experiment in a completely randomized design with 6 treatments and 3 replications. Growth performance traits, blood parameters and liver enzymes were measured at the end of the experimental period (42-day). The different levels of milk thistle powder caused a decrease in the mean of feed intake and body weight in the whole period (P <0.05). Consumption of milk thistle powder reduced cholesterol, triglyceride, Aspartate aminotransferase (AST) enzyme and Alanine aminotransferase (ALA) enzyme of blood serum levels up to 12.6%, 17.8%, 16%, and 59.7%, respectively (P <0.01). Based on the results of this experiment, the use of different levels of milk thistle powder has led to a decrease in the concentration of liver enzymes. Therefore, the use of milk thistle powder at a rate of 3% in the ration of broiler chickens protects their livers.

کلیدواژه‌ها [English]

  • Alanine aminotransferase
  • Aspartate aminotransferase
  • Cotrimoxazole
  • Milk thistle
  • Silymarin

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