پديد آورنده :
والهي، محمد مهدي
عنوان :
تاثير تغذيه ي مقادير متفاوت شير بر رشد و عملكرد گوساله هاي شيري
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صمعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
يازده،66ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
غلامرضا قرباني، محمد خوروش
استاد مشاور :
احمد رياسي، مسعود عليخاني
توصيفگر ها :
افزايش وزن روزانه , شيرگيري
تاريخ نمايه سازي :
14/7/92
استاد داور :
صبيحه سليمانيان زاد، امير حسين مهدوي
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
69 Effect of different milk s levels on growth and performance of calves Mohammad mehdi valehi mm valehi@yahoo com Date of Submission Department of Animal Science Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor G R Ghorbani ghorbani@cc iut ac ir Abstract The present study was conducted to evaluate the effect of milk feeding regime on performance of new born dairy calves Thirty Holstein dairy calves 12 male and 18 female were used in a completely randomized design calves were randomly allocated to one of the three treatments consisting of 1 calves offered milk 4 5 kg days 1 to 50 days 2 Calves fed more amount of milk through step up and step down milk feeding every ten days from birth were 4 6 8 6 and 4 kg day and 3 Calves fed more amount of milk through step up and step down milk feeding every ten days from birth were 6 8 10 8 and 6 kg day respectively Ruminal pH ammonia concentrate measured at d 35 52 and 70 Calves weight weekly and skeletal parameters recorded at d 0 52 and 70 All calves were weaned at d 52 Data were analyzed using SAS statistical software and the MIXED procedure as a completely randomized design and initial body weight was considered as a quvariate variable Results indicated that total dry matter intake was significantly higher for treatments 2 and 3 P 0 05 Average daily gain for treatment 3 was higher in comparison to other groups at d 30 until weaning P 0 05 However feed efficiency for treatment 3 was significantly lower compared to other treatments Starter intake was greater for treatment 3 at d 30 until weaning and also post weaning Body length heart girth withers height and hip height were significantly higher for treatment 3 P 0 05 Fecal score diarrhea and rectum temperature did not differ with treatments Ruminal pH was lower for treatment 3 at d 30 until weaning but there were no differences for ruminal ammonia protein and DM digestibilities among treatments In conclusion the present indicated that novel milk feeding regime compared to conventional pattern improved performance of new born dairy calves Keywords calf milk performance daily gain weaning PDF created with pdfFactory trial version www pdffactory com
استاد راهنما :
غلامرضا قرباني، محمد خوروش
استاد مشاور :
احمد رياسي، مسعود عليخاني
استاد داور :
صبيحه سليمانيان زاد، امير حسين مهدوي
