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Follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate impregnated sponges in Nili Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(2))
Mushtaq Ahmad - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate impregnated sponges in Nili Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(2))
ผู้แต่ง / หัวหน้าโครงการ (EN): Mushtaq Ahmad
หน่วยงานสังกัดผู้แต่ง (EN): Lahore (Pakistan). Department of Theriogenology
บทคัดย่อ (EN): A study was designed to study follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate sponges in Nili Ravi buffalo heifers. A total of (n=18) nulliparous heifers were selected and divided into two groups on the basis of ultrasonography. Group A (n=9) contained no palpable or visible structure of follicle or Carpus luteum larger than 4 mm, while group B (n=9) contained palpable or visible structure of follicle or Carpus luteum larger than 4 mm on ultrasound screen. The medroxy progesterone acetate impregnated sponge containing 250 mg of progestin was implanted in fornix vagina to each experimental heifer, and day of implantation was declared as D 1. The medroxy progesterone acetate impregnated sponges were implanted up to 6 days. On day 7, sponges were removed with the single injection of pgf2α (+ cloprostenol, 0.075 mg) and GnRH Analog injection (Lecirelin, 50 mcg) was used on day 9 to every experimental animals. Both ovaries were scanned with (Honda 7400, Japan. 7.5 MHz) on D 1, D 6, and D 7 to 9 until ovulation. Ovulation started earlier (23% ovulation at 24 h) and finished later (23% at 36 h) in cyclic heifers as compared to acyclic heifers in which ovulation started 33% at 24 h and finished earlier 56% at 30 h post GnRH Analog injection (Lecirelin, 50 mcg). Estrus response was more pronounced (P LT 0.05) in acyclic heifers as compared to cyclic. Ovulation rate was 100% in cyclic heifers and 89% in acyclic heifers. Conception rate was significantly higher (P LT 0.05) in acyclic heifers (56%) as compared to cyclic heifers (30%). It was concluded from this study that conception rate was higher in cyclic group while ovulation rate was greater in acyclic buffalo heifers meanwhile, time and size of ovulatory graffian follicle is similar among cyclic and acyclic buffalo heifers in a same synchronization protocol.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://kukr.lib.ku.ac.th/db/kukr/search_detail/result/368858
คำสำคัญ (EN): Pakistan
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Mushtaq Ahmad. "Follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate impregnated sponges in Nili Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(2))". ไม่ระบุหน่วยงาน. ม.ป.ป.

Mushtaq Ahmad. "Follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate impregnated sponges in Nili Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(2))". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Follicular growth, time of ovulation and conception rate after synchronization with medroxy progesterone acetate impregnated sponges in Nili Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(2))
Mushtaq Ahmad
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Uterine didelphys in Nili Ravi buffalo-A case report (Buffalo Bulletin (Thailand),36(4)) Effect of two management systems and mineral feeding on age at puberty in Nili-Ravi buffalo heifers (Buffalo Bulletin (Thailand),36(1)) β(1,4)-Galactosyltransferase-I gene polymorphisms in Pakistani Nili Ravi buffalo (Buffalo Bulletin (Thailand),35(3)) Oesophageal obstruction in a pregnant buffalo (Buffalo Bulletin (Thailand),36(4)) Genomic selection of Nili-Ravi buffalo: A choice for buffalo breeders (Buffalo Bulletin (Thailand),35(4)) Effect of dietary zinc supplementation on ovarian folliculogenesis in buffalo heifers (Buffalo Bulletin (Thailand),36(3)) Effect of thioglycol on fertility of frozen Nili-Ravi buffalo semen (Buffalo Bulletin (Thailand),35(2)) Effect of per-vaginal insertion of once-used TRIU-B on post-ovulation plasma progesterone and conception rate in buffalo (Buffalo Bulletin,38(2)) Karyotype of Mazani water buffalo from Iran (Buffalo Bulletin (Thailand),36(1)) Dystocia due to foetal ascites in a Murrah buffalo (Buffalo Bulletin (Thailand),36(3))
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