E-ISSN 2536-9520 | ISSN 1110-2047
 
2024, Vol: 83
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Original Article 


Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Ala'a Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref.


Abstract
The objective of this research is to evaluate the effects of controlled internal drug release (CIDR), sponge impregnated with cronolone (Chronogest) on estrus synchronization and pregnancy during the breeding season in Ossimi sheep. About 18 ewes used in this study were distributed randomly into 3 groups, Group A (Vaginal sponge, n=7) which received the hormonal treatment for 9 days plus an injection of 400 IU of PMSG 48 hrs before the removal of the sponge, Group B (CIDR, n=7) which received the hormonal treatment for 12 days plus an injection of 400 IU of PMSG at the day of removal of CIDR and Group C act as control without any hormonal treatment. Estrus was monitored every 6 hrs for 3 days until the estrus detected by the teaser rams. Natural mating with fertile ram during the estrus. In this study the results showed that the incidence of the estrus was higher in CIDR group than the others. The interval from the device removal to the onset of estrus was longer in the sponge than in CIDR ( 27 - 30 hrs versus 23 - 25 hrs ). Vaginal mucus discharge was observed at a higher level in sponge group than those in CIDR. The duration of estrus was longer in CIDR than in sponge (37 hrs versus 30 hrs), Therefore, the conception rate was higher in the CIDR than sponge group. It was concluded that treatment with CIDR device give high estrus response, short onset to estrus, longer duration and high in conception rate. Along overall CIDR was effective in the efficiency of estrus synchronization.

Key words: CIDR, Estrus, Sheep, Sponge, Synchronization.


 
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How to Cite this Article
Pubmed Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. AJVS. 0; 0(0): -. doi:10.5455/ajvs.245197

Web Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. https://www.alexjvs.com/?mno=245197 [Access: September 12, 2024]. doi:10.5455/ajvs.245197

AMA (American Medical Association) Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. AJVS. 0; 0(0): -. doi:10.5455/ajvs.245197


Vancouver/ICMJE Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. AJVS. (0), [cited September 12, 2024]; 0(0): -. doi:10.5455/ajvs.245197


Harvard Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref (0) Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. AJVS, 0 (0), -. doi:10.5455/ajvs.245197


Turabian Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. 0. Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. Alexandria Journal of Veterinary Sciences, 0 (0), -. doi:10.5455/ajvs.245197


Chicago Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. "Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.." Alexandria Journal of Veterinary Sciences 0 (0), -. doi:10.5455/ajvs.245197


MLA (The Modern Language Association) Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref. "Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.." Alexandria Journal of Veterinary Sciences 0.0 (0), -. Print. doi:10.5455/ajvs.245197


APA (American Psychological Association) Style

Ahmed Ezzat Ahmed, Nasra Ahmed Yousef, Alaa Eldin Zain Elabdeen Mahmoud, Mohammed Sabry Aref (0) Progestins Protocols For Inducing Estrus Synchronization In Breeding Season In Ossimi Sheep.. Alexandria Journal of Veterinary Sciences, 0 (0), -. doi:10.5455/ajvs.245197




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    The Alexandria Journal of Veterinary Sciences (AJVS) Official Journal of Faculty of Veterinary Medicine, Alexandria University   ISSN: 1110 ... Read more.



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