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Effects of Flaxseed-rich Diet on Reproductive Performance in Estrous-synchronized Baluchi Ewes | ||
| Archives of Razi Institute | ||
| مقاله 11، دوره 75، شماره 3، آذر 2020، صفحه 397-404 اصل مقاله (133.66 K) | ||
| نوع مقاله: Original Articles | ||
| شناسه دیجیتال (DOI): 10.22092/ari.2020.341899.1442 | ||
| نویسندگان | ||
| M. Didarkhah1؛ M. Vatandoost2؛ E. Dirandeh3؛ N. Dadashpour Davachi* 4 | ||
| 1Faculty of Agriculture, University of Birjand, Birjand, Iran | ||
| 2Department of Agriculture, Payame Noor University, Tehran, Iran | ||
| 3Department of Animal Science, Sari Agricultural Sciences and Natural Resources University, Sari, Iran | ||
| 4Department of Research, Breeding and Production of Laboratory Animals, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| چکیده | ||
| The purpose of this study was to compare the effects of using different levels of flaxseed in diets on the reproductive performance of estrous-synchronized Baluchi ewes (para 3). Diets contained either basal diet (control) or different levels of extruded flaxseed (2%, 5%, 7%, 10%, and 12%) and were fed from lambing to 60 days after lambing. The ewe estrus cycles were synchronized using controlled internal drug release (CIDR) for 14 days starting from day 16 of fat supplementation. The rams were introduced 24 h after CIDR removal. The ewes fed control diets had the highest mean dry matter intake (1,800±35 g) which was declined with the increase of flaxseed levels. The experimental diets exerted no effects of urea concentration in blood plasma. However, plasma glucose concentration was lower (p <0.05) in the ewes fed the control diet and 2% flaxseed, compared to those in other groups. Nonetheless, there was no difference among the ewes fed 5%, 7%, 10%, and 12% flaxseed in terms of plasma glucose concentrations (p <0.05). The ewes fed 2% flaxseed had the highest level of plasma triglyceride concentration among other groups. In addition, the control group had the lowest level of plasma total cholesterol and low-density lipoproteins concentration in comparison to other groups (p <0.05). However, plasma nonesterified fatty acids and β-hydroxybutyrate concentrations were similar among the groups (P>0.05). The mean interval between CIDR removal and the exhibition of estrus ranged from 30 to 40 h with the shortest interval being recorded in the ewes fed 12% flaxseed (p <0.05). The control group had the lowest number of follicles on estrus day among other groups (p <0.05). Furthermore, the ewes fed 10% and 12% flaxseed had the highest ovulation, pregnancy, and lambing rates, compared to other groups (p <0.05). In conclusion, the findings revealed that feeding the ewes with 10% and 12% flaxseed resulted in the improvement of reproductive performance. | ||
| کلیدواژه‌ها | ||
| Flaxseed؛ Ovulation؛ Reproduction؛ Sheep؛ Ultrasonography | ||
| عنوان مقاله [English] | ||
| تاثیر جیرههای دارای دانه کتان بر عملکرد تولیدمثلی میشهای بلوچی با فحلی همزمان شده | ||
| چکیده [English] | ||
| هدف از پژوهش حاضر مقایسه تأثیر جیرههایی دارای مقادیر متفاوت دانه کتان بر عملکرد تولیدمثلی میشهای بلوچی سه الی چهار سالهی دارای فحلی همزمان شده در نزدیک زایمان بود. برهها بلافاصله پس از تولد از مادر جدا شدند و آزمایش تا 60 روز ادامه یافت. جیره های آزمایشی شامل: تیمار A: بدون دانه کتان، تیمار B: شامل 2 درصد دانه کتان، تیمارC : شامل 5 درصد دانه کتان، تیمار D: شامل 7 درصد دانه کتان، تیمار E: شامل 10 درصد دانه کتان، تیمار F: شامل 12 درصد دانه کتان. نتایج حاصل از این آزمایش نشان داد که مصرف ماده خشک در میشهایی که از جیره بدون دانه کتان تغذیه کردند کمتر بود(05/0>P ). بیشترین میانگین وزن بدن میشها درجیره بدون دانه کتان و کمترین مربوط به جیره با 5 درصد دانه کتان (2/55 کیلوگرم در مقابل 4/46 کیلوگرم) بود. نرخ فحلیابی تفاوتی بین جیرههای آزمایشی نداشت (05/0<P). درصد تخمکریزی، درصد آبستنی و درصد دوقلوزایی در جیرههای با 10 و 12 درصد دانه کتان بیشتر از سایر گروهها بود (05/0>P ). | ||
| کلیدواژه‌ها [English] | ||
| تاثیر جیره های دارای دانه کتان بر عملکرد تولیدمثلی میشهای بلوچی با فحلی همزمان شده | ||
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