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Effect of presynchronization prior to Ovsynch on ovulatory response to first GnRH, ovulatory follicle diameter and pregnancy per AI in multiparous Holstein cows during summer in Iran Cover

Effect of presynchronization prior to Ovsynch on ovulatory response to first GnRH, ovulatory follicle diameter and pregnancy per AI in multiparous Holstein cows during summer in Iran

Annals of Animal Science
Volume 18 (2018): Issue 3 (July 2018)
By: Essa Dirandeh,  Reza Masoumi,  Masood Didarkhah,  Farhad Samadian,  Navid Dadashpour Davachi and  Marcos Colazo  
Open Access
|Aug 2018

Authors

Essa Dirandeh

dirandeh@gmail.com

Department of Animal Science, Sari Agricultural Sciences and Natural Resources University, Sari,, Mazandaran, Iran

Reza Masoumi

Department of Animal Science, Faculty of Agriculture, University of Zanjan,, Zanjan, Iran

Masood Didarkhah

Faculty of Agriculture, University of Birjand,, Birjand, Iran

Farhad Samadian

Department of Animal Science, Faculty of Agriculture, Yasouj University,, Yasouj, Iran

Navid Dadashpour Davachi

Department of Research, Breeding and Production of Laboratory Animals, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO),, Karaj, Iran

Marcos Colazo

Livestock Research Section, Alberta Agriculture and Forestry,, Edmonton, Canada
DOI: https://doi.org/10.2478/aoas-2018-0011 | Journal eISSN: 2300-8733 | Journal ISSN: 1642-3402
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Language: English
Page range: 713 - 722
Submitted on: Sep 16, 2017
|
Accepted on: Jan 21, 2018
|
Published on: Aug 1, 2018
Published by: National Research Institute of Animal Production
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open
Keywords:
Ovsynch,
pregnancy rate,
secondary sex ratio,
ultrasonography,
Holstein cows
Related subjects:
Life sciences,
Biotechnology,
Zoology,
Medicine,
Veterinary medicine

© 2018 Essa Dirandeh, Reza Masoumi, Masood Didarkhah, Farhad Samadian, Navid Dadashpour Davachi, Marcos Colazo, published by National Research Institute of Animal Production
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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