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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(5): 241-246
DOI: https://doi.org/10.20546/ijcmas.2020.905.027


Synchronization of Estrus using Prostaglandins and HcG in Indigenous Mares during Transitional Period
Jugraj Sjngh Mahal*, Amninder Singh, Harmeet Singh and Sukhwinder Singh
Department of Veterinary Gynaecology and Obstetrics, Khalsa College of Veterinary and Animal Sciences, Amritsar (143001), Punjab, India
*Corresponding author
Abstract:

The experiment was conducted on 20 Marwari mares of age between 4-10 years, during transitional period (January - March). They were randomly divided into two groups. In group 1 (control group; n=10) ovarian ultrasonography was done using linear array transducer to detect dominant follicle (≥30mm) on any of the ovaries in mares showing estrus signs. Mares were covered twice after 36 hours interval. In group 2 (treatment group; n=10) ultrasonography was done for detection of ovarian status. Mares with mature corpus luteum (CL) and growing follicle between 18mm-24mm in size were synchronized with hormonal protocol based on prostaglandin (PGs 500 µg) and Human chorionic gonadotropin(HcG 3000 I.U.).Day of detection of mature CL was considered as day 1. On day 1 morning mares were administered PG intramuscular followed by administration of chorulon intravenously on 6th day morning and after 8 days again PG intramuscular on day 14th morning followed by chorulon intravenously on 20th day morning. Mares were covered twice after 36 hours of interval between 12-48 hours post last chorulon injection. It was concluded that during transition period the incidence of large dominant follicles regression without ovulation is very high and conception rates are very low (40%). The application of exogenous hormones to monitor normal estrus length and ovulation is quite effective during transtition period. Hormones protocols based on Prostglandins and HcG will leads to successfully regulates normal length of estrus and ovulation in indigenous mares and high conception rates (70 %) are achieved.


Keywords: Marwari mares, Transitional period, ovarian ultrasonography, prostaglandin
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How to cite this article:

Jugraj Sjngh Mahal, AmninderSingh, Harmeet Singh and Sukhwinder Singh. 2020. Synchronization of Estrus using Prostaglandins and HcG in Indigenous Mares during Transitional Period.Int.J.Curr.Microbiol.App.Sci. 9(5): 241-246. doi: https://doi.org/10.20546/ijcmas.2020.905.027