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Effect of breed and other animal-related factors on conception rate to artificial insemination with frozen semen in mares in Ethiopia.
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- المؤلفون: Duguma A;Duguma A; Lemma A; Lemma A; Hibste A; Hibste A
- المصدر:
Tropical animal health and production [Trop Anim Health Prod] 2019 Jun; Vol. 51 (5), pp. 1173-1178. Date of Electronic Publication: 2019 Jan 19.
- نوع النشر :
Journal Article
- اللغة:
English
- معلومة اضافية
- المصدر:
Publisher: Springer Country of Publication: United States NLM ID: 1277355 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1573-7438 (Electronic) Linking ISSN: 00494747 NLM ISO Abbreviation: Trop Anim Health Prod
- بيانات النشر:
Publication: 2005- : Heidelberg : Springer
Original Publication: Edinburgh, Livingstone.
- الموضوع:
- نبذة مختصرة :
Equine reproduction is unique by having long behavioral estrus and differences in time of breeding between breeds and individuals of mares. An experimental study was conducted at the Balderas Sport Horses and Recreational Center, Addis Ababa, Ethiopia, from January to June, 2018, to evaluate conception rate to frozen semen in local and exotic crossbreed mares. Mares were teased to characterize estrus behavior and examined by ultrasound in determining imminent ovulation. Inseminations were done post ovulation within an average of 6-9 h using frozen-thawed semen. The overall conception rate to frozen semen was 15/21 (71.43%) with 8/11 (72.73%) in crossbreed and 7/10 (70%) in local breed mares. Age and body condition score (BCS) of animals had no significant effect on conception rate to AI with frozen semen. A slightly higher conception rate was obtained when ovulation was from the right ovary than when ovulated from the left ovary. A higher conception rate was obtained when the diameter of the preovulatory follicle was ≤ 45 mm than above diameter. The conception rate increased significantly with increased number of services/conception with an overall mean ± (SEM) of 2.2 ± 0.2 services/conception. A more number of services/conception were required for local breed (2.7 ± 0.2) than crossbreed mares (1.8 ± 0.3) and again for lower body condition scores than higher condition scores of mares. In conclusion, the increased number of services improved the conception rate with significant difference between breed of mares, whereas good management of mares for improved body conditions could be required to decrease the number of services per conception.
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- Contributed Indexing:
Keywords: Breeds; Conception rate; Frozen semen; Mares; Number of services
- الموضوع:
Date Created: 20190120 Date Completed: 20190725 Latest Revision: 20200225
- الموضوع:
20221213
- الرقم المعرف:
10.1007/s11250-019-01804-6
- الرقم المعرف:
30659458
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