Pregnancy Diagnosis in Sheep by Transabdominal Method
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Date
2011-06-15
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Publisher
Karnataka Veterinary, Animal and Fisheries Sciences University, Bidar
Abstract
The present study was conducted to detect the pregnancy by using B-mode real
time ultrasound using 3.5 and 5 MHz probe by transabdominal method on twenty Bannur
ewes maintained at Department of Instructional Livestock Farm Complex and ten
pregnant ewes presented for the pregnancy diagnosis at the Department of Gynaecology
and Obstetrics, Veterinary College Bangalore, were used for the present study. The
objective of the study was to determine the earliest day at which pregnancy could be
detected and describe the chronological characteristics of pregnancy from Day 25 to Day
60 of gestation. The present study revealed that the pregnancy could be detected at 25
days after mating by detection of gestational sac with 23.3 percent accuracy. The foetal
heartbeat and placentomes were detected with 100 percent accuracy from 45 to 50 days
of gestation. Further, leg buds and vertebral column were seen in all the ewes at 55 to 60
days of gestation. It is concluded that pregnancy diagnosis in sheep with 100 percent
accuracy can be accomplished between 40 to 50 days post mating using transabdominal
ultrasonography.
Description
Pg. Thesis
Keywords
B-mode, transabdominal ultrasonography, gestational sac, placentomes, foetal heartbeat, leg buds, vertebral column