تأثیر لیکوپن و مکمل انرژی بر غلظت ایمنوگلوبولین ‌G در خون و آغوز تولیدی میش‌های آبستن

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه علوم دامی دانشگاه لرستان

2 دانشیار گروه علوم دامی دانشگاه لرستان، تخصص: فیزیولوژی و تغذیه دام/بیوانرژیتیک در تغذیه/متابولیسم انرژی/تعیین احتیاجات/برنامه ریزی متابولیکی

چکیده

در این تحقیق تأثیر لیکوپن و مکمل انرژی (ذرت) بر کمیت آغوز و غلظت ایمنوگلوبولین G (IgG) در خون و آغوز میش­های آبستن بررسی­ شد. تعداد 40 راس میش آبستن چند شکم­زا (میانگین وزن 4/8 ± 68 کیلوگرم) در ماه­آخر آبستنی با چهار ­جیره آزمایشی شامل1) جیره پایه (شاهد)،2) جیره پایه حاوی یک گرم لیکوپندر روز (لیکوپن)،3) جیره پایه بعلاوه 300 گرم ذرت خرد شده (ذرت)و 4) جیره پایه حاوی یک گرم در کیلوگرم ماده خشک لیکوپن به علاوه 300 گرم ذرت خرد شده (لیکوپن + ذرت) تغذیه شدند. کمیت آغوز تولیدی در شش ساعت اول پس از زایش با استفاده از تزریق اکسی­توسین اندازه­گیری شد. غلظت ایمنوگلوبولین ­G در خون در روز 14 و روز قبل از زایش و همچنین در آغوز در ساعت  شش و 12 پس از زایش تعیین شد. مقدار کمی آغوز در شش ساعت اول در تیمارهای ذرت و ذرت + لیکوپن بیشتر(05/0(P< از شاهد و لیکوپن بود.غلظت خونی ایمنوگلوبولین ­G میش­های شاهد کمتر(05/0 (P<از تیمارهای ذرت، لیکوپن و لیکوپن + ذرت بود. غلظت ایمنوگلوبولین ­G آغوز در تیمار لیکوپن + ذرت بیشتر (05/0 (P<از شاهد بود. نتیجه اینکه مکمل­ کردن جیره میش­ها در ماه ­آخر آبستنی با لیکوپن و یک منبع انرژی (ذرت) علاوه بر افزایش غلظت ایمنوگلوبولین ­G در خون، باعث بهبود کمیت و کیفیت آغوز تولیدی میش ها می­شود.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of lycopene and energy supplementation on serum and colostrum IgG concentrations in pregnant ewes

نویسنده [English]

  • Ali Kiani 2
2 Animal Science Department, Lorestan University, Khoramabad, Iran
چکیده [English]

In this study, effect of lycopene and corn supplementation on quantity of colostrum and concentrations of IgG in blood and colostrum in pregnant ewes was investigated.A total of 40 multiparous single-bearing ewes (body weight 68 ±8.4 kg) during last month of gestation were fed with one of the four experimental diets including; basal diet (CON), basal diet plus 1 g/d lycopen (LYC), 300 g/d corn (COR), 1 g/d lycopen plus 300 g/d corn (LYC + COR). Quantity of colostrum production was determined at 6 h post-partum using oxytocin injection method.The IgG concentration in colostrum at 6 and 12 h post-partum as well as at 14 and one day pre-partum was determined. Quantity of colostrum at 6 h post-partum in COR, and LYC + COR was higher (P<0.05) than that in CON and LYC. Blood IgG concentration in CON was significantly lower than COR, LYC, and LYC + CORN. Ewes in LYC+COR had higher (P<0.05) colostrum IgG concentration than ewes in CON. In conclusion, lycopene and corn supplementation during late gestation increased serum IgG concentrations and improved colostrum quantity and quality in pregnant ewes.

کلیدواژه‌ها [English]

  • Colostrum
  • energy supplementation
  • IgG concentration
  • lycopene
  • sheep
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