پديد آورنده :
منصوري، محمد
عنوان :
اثر زمان اولين تلقيح پس از زايش و مصرف مهار كننده سيكلواكسيژناز بر عملكرد توليد مثلي گاو شيري
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
يازده، 52ص.: مصور
استاد راهنما :
احمد رياسي، اميرحسين مهدوي
توصيفگر ها :
فلونيكسين مگلومين , پروژسترون
تاريخ نمايه سازي :
1394/10/12
استاد داور :
ابراهيم قاسمي، بدرالدين ابراهيم سيد طباطبايي
تاريخ ورود اطلاعات :
1396/10/06
چكيده انگليسي :
Effect of First Postpartum AI Service and Cyclooxygenase Inhibitor Administration on Reproductive Performance in Holstein Dairy Cow Mohammad Mansory m mansory@ag iut ac ir 21 November 2015 Department of Animal Science Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisor A Riasi ariasi@cc iut ac irSupervisor A Hosein Mahdavi mahdavi@cc iut ac irAbstractThe aim of this study was to evaluate the effect of calving to first service interval and Flunixin Meglumine FM injection on reproductive performance in Holstein dairy cows The experiment was conducted as acompletely randomized design with 2 2 factorial method For this purpose 80 multiparous cows at about 30 dafter calving and before first service were selected There was no Timed Artificial Insemination program forsynchronization The treatmrnts were 1 Interval of calving to first service 51 70 d without FM injection 2 Interval of calving to first service 51 70 d with FM injection 3 Interval of calving to first service 71 90 d with FM injection without FM injection 4 Interval of calving to first service 71 90 d with FM injection Each cow received 1 1 mg kg FM by I M injection on day 14 after first and second insemination Conceptionrate number of service per conception days open serum progesterone concentration at 3 9 15 21 and 27 dafter insemination non return rate and abortion rate was determined Results showed that cows inseminated71 90 d postpartum need lower P 0 05 service per conception compared to cows inseminated 51 70 dpostpartum This cows had higher conception rate after second service than other cows FM injection decresed P 0 09 the number of service per pregnancy The cows inseminated at 71 90 days postpartum had higher P 0 05 progesterone at 15 21 and 27 d after insemination On the other hand the cows tended to havehigher P 0 07 serum progesterone entire the study The cows inseminated 71 90 d postpartum and also thecows which received FM had higher P 0 05 non return rate Also the cows inseminated 71 90 d postpartumhad lower P 0 09 abortion rate compared It was concluded that delay in first service after parturition andFM injection may have some beneficial effect on reproduction performance of high producing dairy cows Keywords calving to first service flunixin meglumine reproduction progesterone
استاد راهنما :
احمد رياسي، اميرحسين مهدوي
استاد داور :
ابراهيم قاسمي، بدرالدين ابراهيم سيد طباطبايي
