اثر روغن اسانسی نعناع و پونه بر عملکرد، جمعیت میکروبی شکمبه و برخی فراسنجه های خونی گوسفند
Publish place: Iranian Journal of Veterinary Medicine، Vol: 11، Issue: 1
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJVM-11-1_008
تاریخ نمایه سازی: 12 تیر 1398
Abstract:
BACKGROUND: The use of antibiotics as feed additive in animal feeds due to the appearance of residues in milk and meat and their effects on human health has restricted. Two of essential oils with high potential for use in ruminant diet are Mentha piperita (peppermint) and Mentha pulegium (pennyroyal) essential oil. OBJECTIVE: This study was conducted to investigate the effects of essential oils of peppermint and pennyroyal on performance, ruminal microbial population and some blood parameters of sheep. METHODS: For this purpose, 9 Dallagh sheep were used in a change over design experiment at three 21-d periods (14 days as adaptation and 7 days for sample collection). Experimental treatments were 1) basal diet without additive (control), 2) basal diet + 110 mg/d Mentha piperita essential oil and 3) basal diet +110 mg/d Mentha pulegium essential oil. Sheep were kept in individual cages and had free access to food and water. Rumen fluid was collected before, 4 h and 8 h after morning feeding and a blood sample was obtained 3 h after morning feeding at last day of each period. RESULTS: Essential oils had no effect on performance, blood parameters, pH, ammonia, protozoa, and total viable bacterial count of rumen. Coliforms of rumen fluid significantly decreased at 4 h and increased 8 h after morning feeding following peppermint and pennyroyal supplementation, respectively (P<0.05). Acid lactic bacteria count was significantly higher at before and 4 h after morning feeding in pennyroyal treatment compared with other treatments. CONCLUSION: although essential oils of Mentha piperita and Mentha pulegium had some effects on rumen microbial population but had no significant effects on performance and blood metabolites of Dallagh sheep.
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Authors
roonak mohamadi
M.Sc. graduate of Animal physiology, College of Agriculture and Natural Resources, University of Gonbad Kavous, Gonbad Kavous, Iran
reza rahchamani
Department of Animal Science, College of Agriculture and Natural Resources, University of Gonbad Kavous, Gonbad Kavous, Iran
farzad ghanbari
Department of Animal Science, College of Agriculture and Natural Resources, University of Gonbad Kavous, Gonbad Kavous, Iran
fariba farivar
Department of Animal Science, College of Agriculture and Natural Resources, University of Gonbad Kavous, Gonbad Kavous, Iran
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