REPRODUCTION DATA IN SWEDISH DOMESTIC FOREST REINDEER (RANGIFER TARANDUS L.) Data om reproduktion hos svensk skogsren.
Summary: Reproductive organs from female domestic reindeer of the forest type were collected during the period 1978-1982 (N=499). Following data are derived from samples from the season 1981-1982 (N=315). The rate of pregnancy was high, 93 % and 60 % among adults and yearlings respectively, also a f...
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.612.6864 http://septentrio.uit.no/index.php/rangifer/article/download/409/396/ |
| Summary: | Summary: Reproductive organs from female domestic reindeer of the forest type were collected during the period 1978-1982 (N=499). Following data are derived from samples from the season 1981-1982 (N=315). The rate of pregnancy was high, 93 % and 60 % among adults and yearlings respectively, also a few calves were pregnant. In the middle of September only a few of the collected ovaries had active luteal structures. Ovulations can in the absence of pregnancy proceed up to December-January. Different methods for describing the conceptional period is used. The first conceptions were calculated to 23/9, before 1/10 14 % of the females had conceived and before 18/10 80% of the females had successfully mated. Only a few females had conceived after the 1/11. |
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