[Real-time ultrasonographic (B-mode) pregnancy diagnosis in sheep. 4. Results of a field study in Germany].
Between January 1993 and April 1998 in a total of 27,378 sheep an ultrasonographic early pregnancy diagnosis was done. The determined pregnancy rates (mean = 82.2%) were related to the mating systems, duration of mating season and time of the year. The benefits of scanning are described. If the pregnancy rate is lower than 97% the early pregnancy diagnosis is economical to flock management. Cases of uterine and fetal pathology (fetal mortality, maceration, hydrometra, pyometra) are presented.
D000818:Animals; D005260:Female; D005313:Fetal Death / Q000662:veterinary; D005315:Fetal Diseases / Q000000981:diagnostic imaging / Q000662:veterinary; D005333:Fetus / Q000473:pathology; D005858:Germany; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging / Q000662:veterinary*; D011258:Pregnancy Tests / Q000379:methods / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000379:methods / Q000662:veterinary*; D014591:Uterine Diseases / Q000000981:diagnostic imaging / Q000662:veterinary*