Effects of the Parenteral Administration of Cobalt, Copper and Iron in Late Pregnancy on Ewe Hematology and Lamb Vigour
محورهای موضوعی : Camel
م.ع. نوروزیان
1
(Department of Animal Science, College of Abouraihan, University of Tehran, Tehran, Iran)
م. ملاکی
2
(Department of Animal Science, College of Abouraihan, University of Tehran, Tehran, Iran)
ع.ا. خادم
3
(Department of Animal Science, College of Abouraihan, University of Tehran, Tehran, Iran)
کلید واژه: ewe hematology parameters, lamb viability, late pregnancy, trace elements,
چکیده مقاله :
The present study was conducted to evaluate the effect of parenteral supplementation of cobalt, copper and iron in late pregnancy on ewe hematology parameters and lamb vigour. Twenty ewes were allocated to one of two groups (n=10). In the test group, on day 120 ofpregnancy, cobalt, copper and iron were injected at a dose of 0.1 mL/kg BW (Fercobsang, France, cobalt gluconate 5 mg/100 mL, copper gluconate 0.5 mg/100 mLand ferrous citrate 1000 mg/100 mL). Ewes in the control group received equal amounts of normal saline as placebo. Group had no significant effect on ewe hematological parameters (P>0.05).There were no significant effects of parenteral mineral supplementation on lamb birth weight, rectal temperature and weaning weight after birth. Lamb viabilities are reported as scores as these gave a true representation of the effects of treatment on underlying measurements. However, there were no differences between groups in lamb vigour and sucking assistance score. It seems that using of additional trace elements in late pregnancy could be effective only in deficiency situations.
این مطالعه به منظور بررسی تأثیر تزریق عناصر معدنی کبالت، مس و آهن در انتهای آبستنی بر فراسنجه‌های خونی و همچنین عملکرد و توان زنده‌مانی بره‌های متولد شده انجام شد. تعداد 20 رأس میش آبستن به دو گروه تقسیم شده و به گروه تیمار در روز 120 آبستنی، عناصر معدنی به مقدار 1/0 میلی‌لیتر به ازای هر کیلوگرم وزن بدن و به گروه شاهد همان مقدار سرم فیزیولوژیک تزریق شد. تزریق عناصر معدنی تأثیری بر فراسنجه‌های خون میش‌ها نداشت. همچنین تفاوت معنی‌داری برای وزن تولد، دمای راست روده و وزن از شیرگیری بره‌ها بین تیمار‌ها مشاهده نشد. نمره زنده‌مانی شامل توان بلند شدن و شیرخوردن تفاوت معنی‌داری بین تیمارهای آزمایشی نداشت. به نظر می‌رسد که استفاده از مکمل‌های عناصر معدنی کم نیاز در انتهای آبستنی، تنها در شرایط کمبود این عناصر تأثیرگذار باشد.
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