EVALUATION OF THE EFFECT OF CIDR ON INDUCTION/SYNCHRONIZATION ESTRUS AND CONCEPTION RATE DURING NON-BREEDING SEASON IN SANJABI EWES

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MAMOUEI M.; YAGHOUBI S.J.; KARAMI HAMED; ROUSHANFEKR H.A.

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Paper Information

Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2009 | Volume:4 | Issue:5 (22) Page(s): 92-97

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Title

EVALUATION OF THE EFFECT OF CIDR ON INDUCTION/SYNCHRONIZATION ESTRUS AND CONCEPTION RATE DURING NON-BREEDING SEASON IN SANJABI EWES

Author(s)

MAMOUEI M. | YAGHOUBI S.J. | KARAMI HAMED | ROUSHANFEKR H.A. | Issue Writer Certificate

Keywords

CIDRQ3

ESTRUS INDUCTIONQ3

SANJABI EWESQ3

Abstract

Eighty SANJABI EWES ranging from 2 to 5 years old were studied. All animals had lambed and lactated during the previous year. Animals were divided into four groups (three treatment groups n=60 and one control group n=20).In the early anoestrous season, Ordibehest (May), three groups were treated with CIDR. CIDR remained in groups 1, 2 and 3 for 10, 12 and 14 days respectively. The CIDR devices were removed after the mentioned periods and Rams were introduced into all groups. 24 hours after the removal of the CIDR devices, the treatment groups were divided into two subgroups. One subgroup was given one i.V. injection (100Ug) of GnRH. Estrous rate for the control group was measured at 10 percent and for the treatment groups this rate was 75, 95 and 85 Percent respectively.Estrous rate in the three treatment groups showed a significant difference compared to the control group (p<0.01) although, this difference among the three treatment groups was not significant (p>0.05). The pregnancy rate of ewes given one I.V. injections (100Ug) of GnRH 24 hours after the removal of CIDR devices displayed a significant difference when compared to ewes that did not receive such treatment (p<0.05). However, the rates in control and GnRH receiving group were not significantly different (p>0.05). These results indicate that the using of CIDR for a 10, 12 and 14 day period can result in higher estrous rates out of season, GnRH effects in the treatment groups on fertility.

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References

افزایش ظرفیت تولید مثل میش از طریق زود زایی، دوقلو زایی و دوباره زایی

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APA: Copy

MAMOUEI, M., YAGHOUBI, S.J., KARAMI, HAMED, & ROUSHANFEKR, H.A.. (2009). EVALUATION OF THE EFFECT OF CIDR ON INDUCTION/SYNCHRONIZATION ESTRUS AND CONCEPTION RATE DURING NON-BREEDING SEASON IN SANJABI EWES. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 4(5 (22)), 92-97. SID. https://sid.ir/paper/97449/en

Vancouver: Copy

MAMOUEI M., YAGHOUBI S.J., KARAMI HAMED, ROUSHANFEKR H.A.. EVALUATION OF THE EFFECT OF CIDR ON INDUCTION/SYNCHRONIZATION ESTRUS AND CONCEPTION RATE DURING NON-BREEDING SEASON IN SANJABI EWES. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2009;4(5 (22)):92-97. Available from: https://sid.ir/paper/97449/en

IEEE: Copy

M. MAMOUEI, S.J. YAGHOUBI, HAMED KARAMI, and H.A. ROUSHANFEKR, “EVALUATION OF THE EFFECT OF CIDR ON INDUCTION/SYNCHRONIZATION ESTRUS AND CONCEPTION RATE DURING NON-BREEDING SEASON IN SANJABI EWES,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 4, no. 5 (22), pp. 92–97, 2009, [Online]. Available: https://sid.ir/paper/97449/en

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