ULTRASONOGRAPHIC ASSESSMENT OF PLACENTAL THICKNESS IN DOGS AND ITS RELATIONSHIP WITH GESTATIONAL AGE

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dc.contributor.advisorDr. G. SUDHA
dc.contributor.authorCHANDRASHEKHAR AYYA SALIMATH
dc.date.accessioned2021-02-05T09:33:20Z
dc.date.available2021-02-05T09:33:20Z
dc.date.issued2018-08
dc.description.abstractThe measurement of gestational sac diameter (GSD) and biparietal diameter (BPD) using ultrasonography (USG) remained fairly accurate determinants of gestational age (GA) in canines during early and later stages of gestation with precision of ±1 to ± 2 days. The present study looked at the possibility of placental thickness (PT) as a determinant of GA using USG in normal pregnancies of different breeds and body sizes and then to correlate the same with reported gestational age (RGA). A cross sectional observational study was conducted on 90 pregnant dogs of different breeds and parity and a total of 112 observations were made by using ALOKA PRO SOUND α-6 ultra sound unit using 5 MHz convex probe. The dogs were categorised into two groups, namely the large breeds and small breeds, GA and PT were recorded from 3rd to 4th week of gestation. The mean PT in small breeds of dogs was found to be 3.42 ± 0.32, 4.20 ± 0.15 and 4.36 ± 0.12 at 36.11 ± 1.19, 46.11 ± 0.71 and 54.84 ± 0.89 average GA, respectively with a significant positive correlation between PT vs GA and PT vs RGA (r= 0.58 and 0.59), and respective R² of 0.34 and 0.35 was recorded. Similarly, for large breeds mean PT of 2.91 ± 0.24, 5.28 ± 0.15 and 5.88 ± 0.13 at 33.80 ± 0.81, 44.92 ± 0.66 and 57.18 ± 0.98 days, respectively with significant positive correlation between PT vs GA and PT vs RGA (r=0.82,0.81) and respective R² of 0.67 and 0.67 was recorded. The present study revealed that there was no significant difference between the calculated gestational age (CGA) and reported gestational age (RGA). It was concluded that the placental thickness (PT) was significantly correlated with GA and RGA and it can be used to estimate gestational age of foetus along with other parameters like GSD and BPD.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810160928
dc.keywordsVETERINARY GYNAECOLOGY AND OBSTETRICSen_US
dc.language.isoEnglishen_US
dc.pages74en_US
dc.publisherKARNATAKA VETERINARY, ANIMAL AND FISHERIES SCIENCES UNIVERSITY, BIDARen_US
dc.subVeterinary Gynaecology and Obstetricsen_US
dc.themeVETERINARY GYNAECOLOGY AND OBSTETRICSen_US
dc.these.typeM.V.Sc.en_US
dc.titleULTRASONOGRAPHIC ASSESSMENT OF PLACENTAL THICKNESS IN DOGS AND ITS RELATIONSHIP WITH GESTATIONAL AGEen_US
dc.typeThesisen_US
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