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ผลงานตีพิมพ์ในวารสารวิชาการThe Use of Omega-3 Concentrate to Relieve Coxofemoral Osteoarthritic Pain in Dobsผู้แต่ง: Mrs.Amornrate Sastravaha, Associate Professor , Mr.Nirut Suwanna, Assistant Professor , Mr.Chayakit Sinthusing, Assistant Professor , Dr.Jatuporn Rattanasrisomporn (Noosud), Associate Professor ,  Em-on Olanratmenee, Atthaporn Roongsitthichai, วารสาร:  
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 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Backfat Thickness at First Insemination Affects Litter Size at Birth of the First Parity Sows) ผู้เขียน:Atthaporn Roongsitthichai, ดร.เสรี กุญแจนาค, ผู้ช่วยศาสตราจารย์ , Padet Tummaruk สื่อสิ่งพิมพ์:pdf AbstractThe present study was undertaken to investigate the influence of backfat thickness (BF) at the first insemination on the litter size at birth of the first parity sows. In total, 249 Landrace ? Yorkshire crossbred gilts were measured for BF at the last rib, about 6-8 cm away from the dorsal midline (P2) by A-mode ultrasonography. The BF measurement was performed three times on the gilts: the first day of insemination; the 70th day of the gestation period; and 1 w prior to the expected farrowing day. The gilts were categorized into three groups based on BF measured on the first insemination day: high (BF ? 17.0 mm, n=75), moderate (BF = 14.0-16.5 mm, n=121) and low (BF ? 13.5 mm, n=53). The results revealed that the average BF of the gilts was 15.4 ? 2.3, 17.7 ? 2.7, and 20.1 ? 2.9 mm on the first insemination day, the 70th day of gestation, and 1 w before farrowing, respectively. The gilts in the high group had a higher total number of piglets born per litter (TB; 13.1 ? 0.4) than those in the moderate group (12.0 ? 0.4, P = 0.04), and tended to have higher TB than those in the low group (12.1 ? 0.6, P = 0.1). |
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Association between Backfat Depth and Litter Size at Birth in Primiparous Sows) ผู้เขียน:Atthaporn Roongsitthichai, ดร.เสรี กุญแจนาค, ผู้ช่วยศาสตราจารย์, Padet Tummaruk สื่อสิ่งพิมพ์:pdf AbstractThis study was undertaken to investigate the association between backfat thickness (BF) at insemination and litter size at the birth of first parity sows. In total, 201 Landrace ? Yorkshire crossbred gilts raised in a conventional open housing system from the eastern region of Thailand were included. The measurement of BF was performed using A-mode ultrasonography at the first mating day, the 70th day of gestation period, and 1 wk prior to farrowing. The gilts were categorized on the criterion of BF at the mating day into three groups: high (17–20 mm), moderate (14–16.5 mm), and low (11.0–13.5 mm). The results revealed that the gilts in the high group possessed the biggest litter size (13.1 ? 0.5 piglets), compared to the moderate and the low groups which had 12.0 ? 0.4 and 12.0 ? 0.6 piglets per litter, respectively. |
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Researcherนาง อมรรัตน์ ศาสตรวาหา, รองศาสตราจารย์ที่ทำงาน:ภาควิชาเวชศาสตร์คลีนิคสัตว์เลี้ยง คณะสัตวแพทยศาสตร์ สาขาที่สนใจ:Small Animal Disease, โรคหัวใจ , ระบบทางเดินหายใจในสัตว์เลี้ยง , ระบบหมุนเวียนโลหิตในสัตว์เลี้ยง , small animal cardiology/respiratory hematology Resume |
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