پديد آورنده :
اوجعلي، محمدرضا
عنوان :
مولفه هاي ژنتيكي نرخ گيرايي در گله هاي گاو هلشتاين در شرايط تنش گرمايي
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
ژنتيك و اصلاح نژاد دام
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
دوازده، 76ص.: جدول، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
سعيد انصاري مهياري، احمد رياسي
توصيفگر ها :
نرخ عدم برگشت به فحلي , رگرسيون تصادفي
تاريخ نمايه سازي :
94/1/26
استاد داور :
غلامرضا قرباني، مهدي رحيم ملك
تاريخ ورود اطلاعات :
1396/09/25
چكيده انگليسي :
69 40 Dobson H and R F Smith 2000 What is stress and how does it affect reproduction Anim Reprod Sci 60 743 752 41 Ealy A D C F Are chiga D R Bray C A Risco and P J Hansen 1994 Effectiveness of short term cooling and vitamin E for alleviation of infertility induced by heat stress in dairy cows J Dairy Sci 77 3601 3607 42 Eicker S W Y T Grohn and J A Hertl 1996 The association between cumulative milk yield days open and days to first breeding in New York Holstein cows J Dairy Sci 79 235 241 43 Elrod C C and Butler W R 1993 Reduction of fertility and alteration of uterine pH in heifers fed excess ruminally degradable protein J Anim Sci 71 694 701 44 Fisher R A 1918 The correlation between relatives on the supposition of Mendelian inheritance Transactions of the Royal Society of Edinburgh 52 399 433 45 Fouz R Gandoy F Sanju n M L Yus E and Di guez F J 2011 Factors associated with 56 day non return rate in dairy cattle Pesquisa Agropecu ria Brasileira 46 648 654 46 French P D and R L Nebel 2003 The simulated economic cost of extended calving intervals in dairy herds and comparison of reproductive management programs J Dairy Sci 86 Suppl 1 54 abstract 47 Fuerst C and J Solkner 1994 Additive and nonadditive genetic variances for milk yield fertility and lifetime performance traits of dairy cattle J Dairy Sci 77 1114 1125 48 Gacula M C J S N Ganat and R A Damon 1968 Genetic and environmental parameters of milk constituents for five breed I Effects of herd year season and age of cow J Dairy Sci 51 428 436 49 Gandy S S Bowers K Graves A Elias S Willard and C Whisnant 2002 Administration of GnRH post breeding impr pregnancy rates and increases serum concentrations of progesterone during heat stress in dairy cattle J Anim Sci 80 Suppl 2 17 Abstr 50 Garcia Ispierto I V Lopez Gatius G Bech Sabat P Santolaria J L Yaniz C Nogareda F De rensis and M Lopez Bejar 2007 Climate factors affecting conception rate of high producing dairy cows in northeastern Spain Therionology 67 1379 1385 51 Gianola D 1982 Theory and analysis of threshold characters J Anim Sci 54 1079 1096
استاد راهنما :
سعيد انصاري مهياري، احمد رياسي
استاد داور :
غلامرضا قرباني، مهدي رحيم ملك
