15960

1639 دكتري

دكتري

تغذيه نشخواركنندگان

اصفهان : دانشگاه صنعتي اصفهان

1399

140 ص: مصور، شكل، جداول

غلامرضا قرباني- محمد خوروش

علي صادقي سفيد مزگي- امير حسين مهدوي- ميرجا روزماريا ويلكنس

كلسيم و پتاسيم، نمكهاي آنيونيك، دوره انتقال، عملكرد، آغوز، گوساله، مواد معدني و پارمترهاي خوني

فرزاد هاشم زاده- مهدي دهقان بنادركي

1399/08/14

كتابنامه

علوم دامي

مهندسي كشاورزي

1399/08/14

2642599

The effect of different levels of calcium in low potassium diets comparing with anionic salt before calving on performance and physiological responses of transition dairy cows and their calves Abbas Rajaeerad a rajaeerad@ag iut ac Septembere7 2020 Department of Animal Sciences College of Agriculture Isfahan University of Technology Isfahan 84156 83111 Iran1st Gholam Reza Ghorbani ghorbani@cc iut ac ir2nd Mohammed Khorvash khorvash@cc iut ac ir 3 Ali Sadeghi Sefidmasgi 4 Amir Hossein Mahdavi 5 Mirja Rosmarie Wilkens Associate Professor of Ruminant Nutrition Department of Animal Sciences College of Agriculture Isfahan University of Technology Department of Animal Sciences Department of Animal Nutrition University of Goettingen Kellnerweg 6 37077 Goettingen Germany AbstractThe objective of this study was to preliminary evaluate the effects of low potassiumdiets with different levels of Ca in comparison to different anionic diets fed prepartumon DMI mineral homeostasis performance sorting behavior digestability andphysiological response in early lactation For this purpose 48 pregnant dairy cowsstratified for mature equivalent milk production parity BCS and body weight wererandomly assigned to 4 treatment groups We fed the following rations during the last 3weeks of gestation LCLK 0 24 Ca 1 14 K dietary cation anion difference DCAD 86 mEq kg DM HCLK 1 23 Ca 1 17 K DCAD 95 mEq kg DM AMS supplemented with anionic mineral mixture 1 21 Ca 1 21 K DCAD 112 mEq kg DM and Aniofeed HCLK diet supplemented with commercial Aniofeed 1 28 Ca 1 16 K DCAD 115 mEq kg DM After parturition all animals were feda common postpartum diet 0 85 Ca 1 35 K DCAD 280 mEq kg DM Datawere collected until 21 DIM Urinary pH was significantly decreased with the AMS andAniofeed treatment in comparison to the LCLK and HCLK groups The highestprepartum DMI was found in the LCLK group while DMI in AMS cows was lowest Postpartum DMI was significantly greater in LCLK and Aniofeed cows than in animalsfed the HCLK and AMS ration Prepartum serum concentrations of Ca P and Mg as ز

غلامرضا قرباني- محمد خوروش

علي صادقي سفيد مزگي- امير حسين مهدوي- ميرجا روزماريا ويلكنس

فرزاد هاشم زاده- مهدي دهقان بنادركي