Vol. 9, Issue 5 (2020)

Author(s):
AH Nagoo, JD Parrah, DM Makhdoomi, M Dar, H Athar, S Bilal and O Bashir

Abstract:
Three phase study i.e, cadaveric, in vitro organ bath and real time ultrasonography was conducted on neonatal (G1), pre-ruminant (G2) and ruminant calves (G3) to develop a baseline data for normal calf spleen. Cadaveric study showed spleen was placed obliquely on left side of abdomen. In G1 animals caudodorsal base was distal to T11 to T13 vertebrae spreading medially to these vertebrae across 11^th to 12^th intercostal spaces (ICS). Spleen was 8-9 cm in length from base to apex and its width at broadest part was 4.5- 5 cm. visceral surface of spleen in G3 animals was associated more with developing rumen than abomasum. Splenic parenchyma was isoechogenic granular devoid of vasculature during organ bath studies. During real time ultrasonographic studies acoustic window for Spleen was seen from 6^th to 11^th intercostal spaces (ICS) of left abdomen in the animals of G1, 8^th to 12^th ICS in G2 and G3 animals with dorsal and ventral margins following almost the same pattern of G1 animals. Splenic parenchyma was uniformly echogenic in nature. Capsule appeared as a fine hyper echoic line. In the animals of G3, spleen extended ventrally far enough to contact the liver. Spleen was of the largest size at 6^th, 7^th and 8^th ICS in the animals of G1, G2 and G3 respectively. Thickness of the spleen increased with increase in age of calves from G1 to G2. A fair resemblance of cadaveric, organ bath and RTU studies was recorded.