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《Progress In Veterinary Medicine》 2001-04
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Ultrasonographic Determination of Equine Fetal Gender

CHEN Shi en (Animal Science Department of Northwest Minorities University,Lanzhou,Gansu,730030,Chian)  
The method was used in the fetal gender diagnosis at auuracy rate of 978% (182/186) of males and 99.4% (160/161) of females when it could locate the genital tubercle between the tail and umbilical cord. The optimal days for fetal gender determination are between day 59 and day 68 of gestation. The method of mid gestation diagnosis of fetal gender is very reliable,too. There is 100% agreement in gender determination between the results obtained by ultrasonography and those obtained at birth. In males, the penis and/or the prepuce are routinely imaged from 100 days to 220 days gestation. In females, the mammary glands and teats are observed from 118 days to 227 days of gestation. The 5 MHz linear transducer, routinely used in equine reproduction, allows gender diagnosis up to 160 days gestation in most cases. When the fetus is located too high in the mare's abdomen or when its size exceeds the capacity of the ultrasound equipment, a 3.5 MHz probe has to be used. Both ultrasound techniques are very accurate, provided gender identification is made during the optimal window of time, with recognition of the correct anatomical structures.
【CateGory Index】: S821.2
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Chinese Journal Full-text Database 10 Hits
1 MA Yi, SUN Chao, MA Yong-jiang, CAO Bin-yun (College of Animal Scinece and veterinary Medicine, Northwest Northwest and Technology University of Agriculture and Forestry, YangLing, Shaanxi 712100, China );Applications of Ultrasonogrpahy in Bovine Reproduction[J];Journal of Yellow Cattle Science;2000-05
2 ZHOU Qi, ZHANG Yi-xin ( Animal Science Department of Hainan University, Haikou,Hainan 570228,China; Agriculture Office of Hainan Province, Haikou,Hainan 570002 ,China);Forage Resources and Cattle Production in Hainan Central Area[J];Journal Yellow Cattle Science;2003-04
3 MA Hui-ming, CHEN Jing-bo Xinjiang Tecon Animal Biotechnology Co. Ltd. ,Urumqi,Xinjiang 830000,China; College of Animal Science and Technology of Shihezi University, Shihezi,Xinjiang 832003,China; Institute of Animal Science of Xinjiang Academy of Animal Sciences,Urumqi,Xinjiang 830000,China;The B-mode Ultrasonographic Diagnosis and Treatment of Ovarian Cysts in Cows[J];Journal Yellow Cattle Science;2005-03
4 YUAN An-wen,XUE Li-qun,XIANG Jian-zhou,TANG Hong-xing (College of Animal Science ang Technology,HUNAN,Changsha 410128,PRC);Application of Ultrosonography in Goat Reproduction[J];Herbrvorous Animals;2001-04
5 FENG Xin chang, WANG Lin an (College of Veterinary Medicine,Northeast Agricultural University,Harbin 150030,PRC);ULTRASONOGRAPHIC TECHNIQUE IN VETERINARY CLINICS[J];JOURNAL OF NORTHEAST AGRICULTURAL UNIVERSITY;1999-03
6 LI Jing,WU Ting he (College of Veterinary Medicine, North east Agricultural University, Harbin,150030,China)[WT5HZ];The Use of Real-Time Ultrasonographic Image in Pregnancy of Ewes[J];Progress In Veterinary Medicine;2001-03
7 TIAN Yun-bo~1,3,ZENG Shu-qin~1,CHEN Xue-jing~2,SHI Zhen-dan~3 (1 College of Life Sciences,Zhongkai Uuiversity of Agriculture and Technology,Guangzhou 510225,China;2 Shanghai Key Laboratory of Development Biology,Shanghai 200025,China;3 College of Animal Science,South China Agricultural University,Guangzhou 510642,Chian);Regulation of ovarian follicles growth and development[J];Journal of Guangxi Agricultural and Biological Science;2006-S1
8 Li Yuemin (Shihezi Agricultural College);Study on Pregnancy Diagnosis by Scanning Cotyledons of Sheep Using a B-Mode Real-Time Ultrasonic Scanner[J];Heilongjiang Animal Science and Veterinary Medicine;1991-04
9 Zhao Luzhang (Veterinary proplylaxis centre of Beijing military region of PLA,Beijing,100071);Study on the suclessive examintion of the early pregnancy in pony mares using reel time ultrasound scanning[J];Heilongjinag Journal of Animal Science and Veterinary Medicine;1996-10
10 LI Shou-jun,TIAN Wen-ru,HOU Zheng-zhong,et al (College of Vet Med ,Northeast Agricultural University,Harbin,150030 China);Ultrasonographic Study of Uterine Involution in Chinese-Holstein cows[J];HEILONGJINAG JOURNAL OF ANIMAL SCIENCE AND VETERINARY MEDICINE;1999-10
【Secondary References】
Chinese Journal Full-text Database 2 Hits
1 QIU Shi1,2,WEI Qi-wei1,2,3,CHEN Xi-hua2,3,ZHAN Yan-zhen1,2,YANG Lu1,2 (1.College of Fisheries,Huazhong Agricultural University,Wuhan 430070,China;2.Key Laboratory of Freshwater Biodiversity Conservation and Utilization,Ministry of Agriculture of China;Yangtze River Fisheries Research Institute,Chinese Academy of Fishery Sciences,Jingzhou 434000,China;3. Freshwater Fisheries Research Center,Chinese Academy of Fishery Sciences,Wuxi 214081,China);Ultrasonography of heart of Chinese sturgeon(Acipenser sinensis)[J];Journal of Fishery Sciences of China;2009-04
2 LIU Ben,CUI Yan,HU Jun-wei,YU Si-jiu(College of Veterinary Medicine,Gansu Agricultural University,Lanzhou 730070,China);Morphometric analysis of uterine glands of yak intercaruncular regions during gestation[J];Chinese Journal of Veterinary Science;2010-12
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