پديد آورنده :
اميدي ميرزايي، حسين
عنوان :
بررسي اثرات دو روش شير دهي نوين در مقايسه با روش سنتي بر خصوصيات عملكردي، متابوليت هاي خوني و سلامتي گوساله هاي شيرخوار هلشتاين
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
يازده،64ص.:مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
محمد خوروش
استاد مشاور :
غلامرضا قرباني
توصيفگر ها :
الگوي تغذيه شير , مصرف خوراك آغازين , افزايش وزن روزانه
تاريخ نمايه سازي :
16/9/92
استاد داور :
ابراهيم قاسمي، هاجر شكرچي زاده
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
The Effects of the Two New Methods in Compared with Conventional Method of Milk Feeding on Performance Blood Metabolites and Health Characteristics of Holstein Suckling Calves Hossein Omidi Mirzaei Hosinomidi @gmail com Sep Department of Animal Science Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor M Khorvash khorvash@cc iut ac ir Abstract The present study was conducted to evaluate the effects of the two new methods of milk feeding regimes compared with a conventional method on performance blood metabolites and health characteristics of Holstein dairy calves Forty five Holstein female dairy calves were used in a completely randomized design Calves were randomly allocated to one of the three treatments consisting of conventional regime L d milk from d to step down regime L d milk from d to L d from d to d and L d from d to d and step up step down regime L d from d to d L d from d to d L d from d to d L d from d to d L d from d to d L d from d to d and L d from d to d respectively Neonatal calves received enough colostrum until d of life then placed in their individual places Calves received equal portions of milk twice daily and starter had same ingredients in all groups Starter intake was recorded weekly for each calf throughout the experiment and all calves were weaned at d of life Calves weight measured weekly and skeletal parameters recorded at d and of age Statistical analyses were conducted over three periods pre weaning week to post weaning week to and the complete period week to Results indicated that total dry matter intake for calves received step up step down regime was higher compared with other groups P Average daily gain for step up step down regime was higher than other groups during the pre and post weaning and entire periods P Feed efficiency in step down and step up step down calves were higher compared to conventional regime P Starter intake was greater for step up step down at pre weaning and entire periods than other treatments P Body length heart girth withers height and hip height were greater for step up step down group than conventional and step down groups P Fecal score days scoured and rectal temperature did not differ among experimental groups Total protein and BHBA were lower for step up step down calves during the pre weaning and entire periods P however there were no differences for glucose and albumin among treatments In conclusion the results of present study indicated that novel milk feeding regimes compared to conventional pattern improved performance of new born dairy calves PDF created with pdfFactory trial version www pdffactory com
استاد راهنما :
محمد خوروش
استاد مشاور :
غلامرضا قرباني
استاد داور :
ابراهيم قاسمي، هاجر شكرچي زاده
