Journal article

Embryonic resorption in context to intragestational corpus luteum regression: A longitudinal ultrasonographic study in the European brown hare (Lepus europaeus PALLAS, 1778)

K Schroeder, B Drews, K Roellig, F Goeritz, TB Hildebrandt

THERIOGENOLOGY | ELSEVIER SCIENCE INC | Published : 2013

Abstract

Embryonic resorption is frequently observed in polytocous mammals. Often it occurs as partial litter resorption affecting only single conceptuses of a whole litter. The aim of the study was to describe the incidence and morphology of embryonic resorption in the European brown hare (Lepus europaeus). In 154 pregnancies viable conceptuses, conceptuses undergoing resorption and CL of pregnancy were ultrasonographically monitored during the entire gestation period. Resorptions were classified into (1) "pre-implantation resorptions," (2) "peri-implantation resorptions," and (3) "post-implantation resorptions." The incidence of resorption in the pre-implantation period was 9%, in the peri-implanta..

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