Effect of increasing energy levels of diet and heat synchronization on steroid hormones and reproductive indices in Holstein heifers

The aim of the present study was to determine the effects of increasing energy levels of diet and heat synchronization on steroid hormones and fertility in Holstein heifers. Eighty heifers with average bodyweight of 330±20 kg were randomly allocated in equal numbers into four groups including contro...

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Bibliographic Details
Main Authors: akbar pirestani, amirabbas emamimeybodi, gholamreza ghalamkari, shahin eghbalsaeediaboueshaghi
Format: Article
Language:fas
Published: Islamic Azad University, Tabriz Branch 2013-08-01
Series:Āsīb/shināsī-i Darmāngāhī-i Dāmpizishkī
Subjects:
Online Access:http://jvcp.iaut.ac.ir/article_517266_dae85790edec9959e423e675a1534fd1.pdf