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Enhancing prostaglandin-based estrus synchronization protocol for artificial insemination in water buffaloes (Buffalo Bulletin,39(1))
Ronaldo Lastimosa Salazar - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Enhancing prostaglandin-based estrus synchronization protocol for artificial insemination in water buffaloes (Buffalo Bulletin,39(1))
ผู้แต่ง / หัวหน้าโครงการ (EN): Ronaldo Lastimosa Salazar
หน่วยงานสังกัดผู้แต่ง (EN): Nueva Ecija (Philippines). Philippine Carabao Center
บทคัดย่อ (EN): Estrus synchronization (ES) in tandem with artificial insemination (AI) is a breeding technique which expands the use of male germplasm for genetic propagation. However, in buffalo reproduction in general, the difficulty in estrus detection does not permit the accurate timing of AI leading to low reproductive efficiency. The present study was conducted to evaluate pregnancy rates following four ES protocols aimed at improving reproductive efficiencies of water buffaloes. Post-partum water buffaloes (n=262) with corpus luteum, with body condition score of GT= 3, and with ovary size of GT= 2 cm were used in this study. The animals were randomly allocated into four treatment groups: T1, control - ES with single injection of prostaglandin (PGF2 alpha, 25 mg i.m.) and inseminated after 3 days, T2 - the same as T1 except that the administration of gonadotropin releasing hormone (GnRH, 100 micro g i.m.) was done a day before AI, T3 - same as T2 but with the administration of GnRH on the day of AI, and T4 - same as T3 but with the administration of human chorionic gonadotropin (hCG, 1500 IU i.m.) at AI. Determination and confirmation of pregnancy through rectal palpation was done at day 60 post AI. Results of the present study revealed a significant difference (P LT 0.05) between the control and the treatment groups: however, no significant difference was observed among the three groups of ovulatory hormones. These findings suggest that the administration of ovulatory hormones improved pregnancy rate in water buffaloes and the use of GnRH or hCG at the time of AI is advantageous and cost-effective approach to conduct AI activities in the field.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://kukr.lib.ku.ac.th/db/kukr/search_detail/result/399030
คำสำคัญ (EN): Philippines
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Ronaldo Lastimosa Salazar. "Enhancing prostaglandin-based estrus synchronization protocol for artificial insemination in water buffaloes (Buffalo Bulletin,39(1))". ไม่ระบุหน่วยงาน. ม.ป.ป.

Ronaldo Lastimosa Salazar. "Enhancing prostaglandin-based estrus synchronization protocol for artificial insemination in water buffaloes (Buffalo Bulletin,39(1))". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Enhancing prostaglandin-based estrus synchronization protocol for artificial insemination in water buffaloes (Buffalo Bulletin,39(1))
Ronaldo Lastimosa Salazar
ไม่ระบุผู้เผยแพร่
ไม่ระบุวันที่เผยแพร่
Impact of different estrus induction and ovulation synchronization protocols in addressing infertility in buffaloes (Buffalo Bulletin,39(3)) Conception rate in postpartum anoestrus buffaloes treated with different synchronization protocols (Buffalo Bulletin,39(2)) Congenital udder and teat abnormalities in buffaloes (Buffalo Bulletin,39(2)) Cryptosporidiosis in buffalo calves (Buffalo Bulletin,39(2)) Hydrallantois in buffaloes (Buffalo Bulletin,37(3)) Cost effectiveness of ovsynch protocol in different combinations for induction of estrus in anestrous Murrah buffaloes (Buffalo Bulletin,37(4)) Medicinal and surgical management of tail infections in buffaloes (Buffalo Bulletin,39(1)) Cervical oesophageal obstruction in a she-buffalo (Buffalo Bulletin,39(4)) Management of hydroallantois in Mehsana buffaloes-Two cases (Buffalo Bulletin,39(1)) Prediction of total milk yield from hoof circumference in buffaloes (Buffalo Bulletin,39(3))
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