 ผลงานตีพิมพ์ในวารสารวิชาการPotential use of antimicrobial peptides as vaginal spermicides/microbicidesผู้แต่ง: Nongnuj Tanphaichitr,  Dr.Nopparat Srakaew, Associate Professor , Rhea Alonzi, Wongsakorn Kiattiburut, Kessiri Kongmanas, Ruina Zhi, Weihua Li, Mark Baker, Guanshun Wang, Duane Hickling, วารสาร:  
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ผลงานตีพิมพ์ในวารสารวิชาการCorrelation between serum estradiol and progesterone concentrations and vaginal cytology in fishing catsผู้แต่ง:Dr.Kaitkanoke Sirinarumitr, Associate Professor , Dr.Janjira Phavaphutanon, Assistant Professor , Narathip Vorawattanatham, Mr.Kornchai (Mangkorn) Kornkaewrat (Damyang) , Ms.Gavin Nunklang , Sudthisa Laopiem, Dr.Anuchai Pinyopummin, Associate Professor , วารสาร: |
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ผลงานตีพิมพ์ในวารสารวิชาการAntimicrobial host defence peptide, LL-37, as a potential vaginal contraceptiveผู้แต่ง:Dr.Nopparat Srakaew, Associate Professor, Charlene D. Young, Arpornrad Saewu, Hongbin Xu, Krista L. Quesnel, Riccardo di Brisco, Kessiri Kongmanas, Duriya Fongmoon, Greanggrai Hommalai, WATTANA WEERACHATYANUKUL, Susan H. Hall, Yong-Lian Zhang, Luigi Panza, Laura Franchini, Federica Compostella, TerryW. Pearson, Robert E. Hancock, Richard J. Oko, Louis S. Hermo, Nongnuj Tanphaichitr, วารสาร: |
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 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : The Use of Vaginal Electrical Resistance to Diagnose Estrus and Early Pregnancy and Its Relation with Size of the Dominant Follicle in Dairy Cattle) ผู้เขียน:Million Tadesse, ดร.จำเริญ เที่ยงธรรม, รองศาสตราจารย์ , ดร.อนุชัย ภิญโญภูมิมินทร์, รองศาสตราจารย์, ดร.สมเกียรติ ประสานพานิช, รองศาสตราจารย์ , Azage Tegegne สื่อสิ่งพิมพ์:pdf AbstractThe use of vaginal electrical resistance (VER) for estrous detection and early pregnancy diagnosis were evaluated using three experiments in dairy cattle, in Ethiopia. VER was measured: 1) during the natural estrous (n = 60) cycle, 2) during estrus induced by GnRH+ PGF2? (n = 11) and 3) during post insemination in dairy cows synchronized with GnRH+CIDR+PGF2? (n = 25). Results from Experiment 1 indicated that VER (mean ? SD) during pro-estrus, estrus, metestrus, diestrus and anestrous was 89.6 ? 3.1, 82.2 ? 2.2 102.9 ? 3.1, 106.8 ? 1.4 and 119.7 ? 1.7 ohm, respectively. Results from Experiment 2 indicated that VER was highest (102.4 ? 2.0 ohm; P < 0.001) at the time of PGF2? injection and significantly declined to 82.3 ? 0.7 ohm at the time of estrus and increased (94.9 ? 2.0 ohm; P < 0.001) 24 h after estrus. The mean diameter of the largest follicle (DLF) was highest (14.3 ? 0.1 mm; P < 0.001) at estrus and lowest (10.0 ? 0.1) at the time of PGF2? injection. The VER value was inversely correlated (r = -0.50; P < 0.001) with DLF. Results from Experiment 3 showed that VER significantly (P < 0.01) declined from day 19 to day 21 post insemination in non pregnant cows compared with pregnant cows. The study proved that VER can effectively be used for estrus detection and can be used to diagnose early pregnancy (day 18–21 post insemination) in dairy cows. |
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Vaginal Electrical Resistance and Size of Dominant Follicle in Beef Cows Subjected to Synchronization of Ovulation Protocol) ผู้เขียน:Million Tadesse, ดร.จำเริญ เที่ยงธรรม, รองศาสตราจารย์, ดร.อนุชัย ภิญโญภูมิมินทร์, รองศาสตราจารย์, ดร.สมเกียรติ ประสานพานิช, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractThe objectives were to determine the efficiency of vaginal electrical resistance (VER) to indicate synchronization success and its correlation with the diameter of the largest follicle (DLF). Crossbred beef cows with more than two lactations from the beef farm at the Kamphaeng Saen campus, Kasetsart University were synchronized with the Co-Synch plus controlled internal drug release (CIDR) protocol that consisted of a CIDR insert and an intramuscular injection of gonadotropin-releasing hormone (GnRH; first GnRH; 2 mL) on Day 0, removal of the CIDR insert and an injection of Prostaglandin F2 alfa (PGF2?; 2 mL) on day 7 and a second injection of GnRH (2 mL) at 48 or 66 h after PGF2? injection. VER was determined with an Ovatec device at Days 0, 7 and at the time of the second GnRH injection. Trans-rectal ultrasonography was performed on the same day to assess ovarian follicular development. The DLF (mean ? SE) was highest (16.3 ? 0.5 mm; P < 0.05) at the second GnRH injection and lowest at Day 0 (9.8 ? 1.0 mm). The VER (mean ? SE; measured in ohms ?) was significantly highest (93.8 ? 1.7 ?; P < 0.05) on Day 0 and lowest (79.1 ? 1.7 ?) at the time of second GnRH injection. Mean VER was inversely correlated (r = -0.49; P < 0.05) with DLF at the second GnRH injection. The significant correlation obtained between VER and DLF indicated that VER can be used to predict the stage of follicular maturity and the response to synchronization treatment. |
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Researcherนางสาว นิธิดา บุญวิทยาที่ทำงาน:โรงพยาบาลสัตว์ มหาวิทยาลัยเกษตรศาสตร์ บางเขน คณะสัตวแพทยศาสตร์ สาขาที่สนใจ:ศัลยกรรมเนื้อเยื่ออ่อน Resume |
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