فهرست:
فصل اول- مقدمه 6
فصل دوم- کلیات 8
٢-١- نمرهی وضعیت بدنی 8
٢- ١-١- تاریخچه ارزیابی نمرهی وضعیت بدنی 8
۲-١-۲ -نحوهی ارزیابی نمرهی وضعیت بدنی 10
۲-۱-۳ -تایید نمرهی وضعیت بدنی با استفاده از اندازه گیری های اولتراسونیک 17
2-2- نمرهی وضعیت بدنی و تغذیه 18
2-۳- تغییرات نمرهی وضعیت بدنی در طول دوره ی شیردهی 19
٢- ۴- اثر نمرهی وضعیت بدنی بر تولید شیر 21
٢- ۵- اثر نمرهی وضعیت بدنی بر ترکیبات شیر 25
٢- ۶- اثر نمرهی وضعیت بدنی بر فاصله ی زایمان تا اولین تلقیح 26
٢- ٧- اثر نمرهی وضعیت بدنی بر میزان گیرایی از اولین تلقیح 26
٢- ٨- اثر نمرهی وضعیت بدنی بر روزهای باز ٢7
٢- ۹- اثر نمرهی وضعیت بدنی بر تعداد تلقیح به ازای هر آبستنی 28
٢- ١٠- اثر نمرهی وضعیت بدنی بر ناهنجاری های متابولیکی 29
فصل سوم – مواد و روش کار 31
۳- ١- مشخصات گله تحت مطالعه 31
۳- ٢- جمع آوری اطلاعات ۳2
۳- ۳- موارد تحت بررسی 34
۳- ۴- آنالیز آماری ۳5
فصل چهارم – نتایج 36
۴- ١- بررسی یافته های (میانگین ± خطای معیار) در اسکور بدنی در زمان خشکی ۳7
۴- ٢- بررسی یافته های (میانگین ± خطای معیار) در اسکور بدنی در زمان زایش 37
۴- ۳- بررسی یافته های (میانگین ± خطای معیار) در اسکور بدنی در زمان تلقیح اول 37
۴- ۴- بررسی نتایج در زمان های مختلف 40
۴- ۴- ١- بررسی اسکور بدنی با اسکور حرکتی 40
۴- ۴- ۲- بررسی اسکور بدنی با شیر 305 روز 41
۴- ۴- ۳- بررسی اسکور بدنی با وضعیت تخمدان 42
۴- ۴- ۴- بررسی اسکور بدنی با وضعیت رحم 44
۴- ۴- ۵- بررسی اسکور بدنی با طول دوره خشکی 45
۴- ۴- ۶- بررسی اسکور بدنی با روز شیردهی 47
۴- ۴- ۷- بررسی اسکور بدنی با تعداد تلقیح موثر 48
۴- ۴- ۸- بررسی اسکور بدنی با روزهای باز 50
۴- ۴- ۹- بررسی اسکور بدنی با فاصله زایش تا اولین تلقیح(DFS) 51
۴- ۴- ١٠- بررسی اسکور بدنی با شیر زمان خشکی 53
۴- ۴- ١۱- بررسی اسکور بدنی با میزان وقوع ورم پستان در دوره شیرواری قبلی 54
۴- ۴- ۱۲- بررسی اسکور بدنی با میزان وقوع ورم پستان در دوره شیرواری فعلی 56
۴- ۴- ۱۳- بررسی اسکور بدنی با تعداد شکم زایش 57
فصل پنجم – بحث 60
منابع 65
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