Accuracy of transvaginal ultrasonography for early pregnancy diagnosis in Attappady black goats

Philip Laiju M., . and Abhilash R. S., . and Francis Bastin P., . Accuracy of transvaginal ultrasonography for early pregnancy diagnosis in Attappady black goats. pp. 35-41.

Transabdominal ultrasonography has been popularly used in animal reproduction for the assessment of pregnancy status and foetal viability where as transvaginal method for pregnancy diagnosis is rarely used for pregnancy diagnosis in goats. The study was conducted in 74 Attappady Black goats from Government Goat Farm Attappady and Livestock Research Station Thiruvizhamkunnu to evaluate the accuracy of trans-vaginal methods and to identify the fetal characteristics from day 20 to 75. Transvaginal ultrasonographic examination was performed using endocavity transducer with frequency of 6.5 to 8 MHz. Observations were made in all the pregnant does at three different stages of pregnancy i.e. 20-35 days 35-55 days and 55-75 days. Does were diagnosed as pregnant from the observation of gestational sac embryo or foetus embryonic or foetal heartbeat placentomes or foetal skeleton. Sensitivity specificity positive predictive value negative predictive value and overall accuracy along gestation period were 98.03 92.3 96.15 96 and 95.62 respectively. It is concluded from the present study that transvaginal ultrasonography can be used for herd pregnancy diagnosis at early stages from day 20 to 45 of pregnancy diagnosis in goats.

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Abstract

Transabdominal ultrasonography has been popularly used in animal reproduction for the assessment of pregnancy status and foetal viability where as transvaginal method for pregnancy diagnosis is rarely used for pregnancy diagnosis in goats. The study was conducted in 74 Attappady Black goats from Government Goat Farm Attappady and Livestock Research Station Thiruvizhamkunnu to evaluate the accuracy of trans-vaginal methods and to identify the fetal characteristics from day 20 to 75. Transvaginal ultrasonographic examination was performed using endocavity transducer with frequency of 6.5 to 8 MHz. Observations were made in all the pregnant does at three different stages of pregnancy i.e. 20-35 days 35-55 days and 55-75 days. Does were diagnosed as pregnant from the observation of gestational sac embryo or foetus embryonic or foetal heartbeat placentomes or foetal skeleton. Sensitivity specificity positive predictive value negative predictive value and overall accuracy along gestation period were 98.03 92.3 96.15 96 and 95.62 respectively. It is concluded from the present study that transvaginal ultrasonography can be used for herd pregnancy diagnosis at early stages from day 20 to 45 of pregnancy diagnosis in goats.

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Item Type:	Article
AGROVOC Term:	Goats
AGROVOC Term:	Ultrasonography
AGROVOC Term:	Early diagnosis
AGROVOC Term:	Pregnancy
AGROVOC Term:	Diagnostic techniques
AGROVOC Term:	Animal embryos
AGROVOC Term:	Fetal development
AGROVOC Term:	Foetus
AGROVOC Term:	Heart rate
AGROVOC Term:	Placenta
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 06:29
URI:	http://webagris.upm.edu.my/id/eprint/25018

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