| comparison of plasma progesterone, transrectal ultrasound and pregnancy specific proteins (pspb) used for pregnancy diagnosis in reindeer. | the study aimed to compare plasma progesterone concentrations, rectal ultrasonography and plasma concentrations of pregnancy-specific protein b (pspb) used for pregnancy diagnosis in reindeer. a total of 1,595 blood plasma samples were collected between 1991 and 1996 from 3 semidomestic reindeer (rangifer tarandus tarandus) herds on the norwegian mainland (magerøy, sørøy, filefjell) and from 92 wild svalbard reindeer (rangifer tarandus platyrhynchus). samples were collected between january and l ... | 1999 | 10605131 |