Review on Major Factors Affecting the Successful Conception Rates on Biotechnological Application (AI) in Cattle

Review on Major Factors Affecting the Successful Conception Rates on Biotechnological Application (AI) in Cattle

Hamid Jemal

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Alemayehu Lemma

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Addis Ababa University

Review on Major Factors Affecting the Successful Conception Rates on Biotechnological Application (AI) in Cattle

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Abstract

Cows become fail to conceive with various factors including management failures, nutritional status, postpartum reproductive health, semen quality and other miscellaneous factor and hence reduce efficiency of AI service. Mainly heat detection skill by farmers and timing of insemination are the major factors that determine the success and failure of AI programme. Am/Pm rule is the way which helps to determine relative insemination times achieved in practice, since maximum fertility to artificial insemination occurs when cows are bred near the end of “standing heat”. Ovulation occurs about 12 hours after the end of standing heat. Management limitations also synergize other factors like delivery problems which prone the AI service to have inefficient and poor result. Conservative stocking rate, a sensible year round feeding and herd health plan and adequate AI service are important to improve reproductive efficiency, and hence, economically benefit from the crossbreeding activities. Skill of inseminator is an important element in the success of the artificial insemination program and regular practice at inseminating time is required to maintain high conception rates. Besides to that site of semen deposition has an important role in achieving conception of AI in cattle. So that the deposition of semen in the uterine body resulting in higher non-return rate than cervical deposition. Cows are inseminated just into the short uterine body.

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No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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How to Cite This Article

Hamid Jemal. 2015. \u201cReview on Major Factors Affecting the Successful Conception Rates on Biotechnological Application (AI) in Cattle\u201d. Global Journal of Medical Research - G: Veterinary Science & Medicine GJMR-G Volume 15 (GJMR Volume 15 Issue G3).

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GJMR Volume 15 Issue G3

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Journal Specifications

Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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GJMR-G Classification NLMC Code: QW 70

Submission ReceivedDecember 13, 2014
Peer Review Double Blind
Handling Editor
Accepted December 31, 2014
Published January 15, 2015

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December 31, 2015

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Article Matrices

Total Score: 72

Country: Ethiopia

Subject: Global Journal of Medical Research - G: Veterinary Science & Medicine

Authors: Hamid Jemal, Alemayehu Lemma (PhD/Dr. count: 0)

View Count (all-time): 181

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Publish Date: 2015 12, Thu

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Total Views: 3888

Total Downloads: 1888

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