|
Early pregnancy diagnosis by transrectal ultrasonography in Mehsana buffaloes (Bubalus bubalis) |
|---|---|
| รหัสดีโอไอ | |
| Creator | 1. Mehrajuddin Naikoo 2. Patel, D.M. 3. Derashri, H.J. |
| Title | Early pregnancy diagnosis by transrectal ultrasonography in Mehsana buffaloes (Bubalus bubalis) |
| Publisher | International Buffalo Information Centre, Office of The University Library, Kasetsart University, Bangkok (Thailand) |
| Publication Year | 2556 |
| Journal Title | Buffalo Bulletin |
| Journal Vol. | 32 |
| Journal No. | 2 |
| Page no. | 120-125 |
| Keyword | Mehsana buffaloes,Bubalus bubalis,Diagnosis,Ultrasonography,Early pregnancy,Embryo,India |
| ISSN | 1256726 |
| Abstract | The aim of this study was to detect early pregnancy and early embryonic mortality using transrectal ultrasonography in Mehsana buffaloes. The study was carried out on 18 postpartum anestrus Mehsana buffaloes of a dairy farm during breeding season, using different estrus synchronization protocols, followed by fixed time AI. Ultrasound examinations were performed using a real time B-mode ultrasound scanner (ALOKA SSD - 500) equipped with 5 MHz linear array transducer on day 26 and 40 post AI. Ultrasound scanning on day 26 post AI revealed visualization of embryonic vesicle around the conceptus. The embryo proper was observed in nine out of 13 animals (69.23 percent) on day 26 and all 12 conceived animals (100 percent) on day 40 post AI. The amniotic and allantoic vesicles were observed as non-echogenic cavities closely surrounding the embryo proper on day 40 post AI. Ovarian corpus luteum and foetal heart beats were observed in conceived buffaloes on both 26 and 40 days post AI. Early embryonic death occurred in one buffalo each between days 26 and 40 and between day 40 and 60 post AI. The overall diagnostic accuracy of ultrasonography for early pregnancy was recorded as 94.44 percent and 100 percent on day 26 and day 40, respectively. Plasma progesterone concentrations ranged from 3.00-6.02 ng/ml with an average of 4.42+-0.52 ng/ml in pregnant animals and from 0.97-1.91 ng/ml with an average of 1.22+-0.06 ng/ml in nonpregnant animals on day 20 post AI. It was concluded that ultrasound scanning is a useful tool in detection of early pregnancy, early non-pregnancy and early embryonic mortality in buffaloes. |
