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170778

EFFECT OF HCG WITH INTRAVAGINAL SPONGES ON REPRODUCTIVE PERFORMANCE IN AWASSI EWES DURING ESTRUS SYNCHRONIZATION

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Last updated: 05 Jan 2025

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Abstract

One hundred and nineteen Awassi ewes, 3 to 5 years old, treated with vaginal sponges. eCG and hCG, were used to determine their response for estrus synchronization and pregnancy rates during anestrous season. Ewes were divided randomly into four groups. Vaginal sponges containing 20 mg of FGA were inserted into all groups for 12 days, except the control group which stayed without any hormonal treatment. At the day of sponge withdrawal, ewes are divided into three groups: the first group (G1/29 ewes) were injected intramuscularly (im) with 2 ml of saline. Ewes of the second group (G2/30 ewes) were injected (im) only with 500 IU of eCG. Ewes of the third group (G3/30 ewes) were injected (im) with 500 IU of eCG and 200 IU of hCG. Results showed that there were significant differences (P<0.05) in estrus synchronization between ewes in G1 (34.5 %) comparatively with ewes of G2 and G3 (63.3% and 86.7 % respectively). General means of pregnancy rate were significantly higher (P<0.05) in G2 and G3 in regard to total number of all ewes in each group. The best lambing and twin average were recorded in G3 (P<0.05) which treatmed with hCG. It was concluded that, using intravaginal sponges with the injection of 500 IU of eCG in addition to the injection of 200 IU of hCG at the day of withdrawal sponges, could be used for better estrus synchronization and increasing the reproductively in Awassi sheep under small holder rearing conditions, in nonbreeding season.

DOI

10.21608/avmj.2014.170778

Keywords

Keywords: HCG, intravaginal sponges, Estrus, Ewes

Authors

First Name

AMMAR

Last Name

ALLUGAMI

MiddleName

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Affiliation

Master in artificel insemination and embryo transfer, Al-Baath University, Faculty of veterinary medicine, Hama, Syria.

Email

ammar.vetmed@hotmail.com

City

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Orcid

-

First Name

MOHAMAD

Last Name

ZUHER AL-AHMAD

MiddleName

-

Affiliation

Reproductions of Artificiel Insemination

Email

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City

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Orcid

-

First Name

NASOUH

Last Name

KHAZNADAR

MiddleName

-

Affiliation

Artificiel insemination

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Orcid

-

Volume

60

Article Issue

141

Related Issue

24327

Issue Date

2014-04-01

Receive Date

2014-03-31

Publish Date

2014-04-01

Page Start

180

Page End

187

Print ISSN

1012-5973

Online ISSN

2314-5226

Link

https://avmj.journals.ekb.eg/article_170778.html

Detail API

https://avmj.journals.ekb.eg/service?article_code=170778

Order

24

Type

Research article

Type Code

1,840

Publication Type

Journal

Publication Title

Assiut Veterinary Medical Journal

Publication Link

https://avmj.journals.ekb.eg/

MainTitle

EFFECT OF HCG WITH INTRAVAGINAL SPONGES ON REPRODUCTIVE PERFORMANCE IN AWASSI EWES DURING ESTRUS SYNCHRONIZATION

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Article

Created At

23 Jan 2023