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Record #124074:
The effect of medroxyprogesterone acetate on pregnancy rates in reindeer calves (Rangifer tarandus) / Erik Ropstad, Gaute Helland, Helge Hansen, Dag Lenvik, Eva Tangen Solberg.
Title: | The effect of medroxyprogesterone acetate on pregnancy rates in reindeer calves (Rangifer tarandus) / Erik Ropstad, Gaute Helland, Helge Hansen, Dag Lenvik, Eva Tangen Solberg. |
Author(s): | Ropstad, Erik. Helland, Gaute. Hansen, Helge. Lenvik, Dag. Solberg, Eva Tangen. |
Date: | 1993. |
In: | Rangifer. (1993.), Vol. 13(3) (1993) |
Abstract: | In September 1990 69 calves with minimum body weight of 46 kg were separated into two groups, one treated with single injection of medroxyprogesterone acetate, the other as control. Blood samples were collected for progesterone analysis in December 1990 and 1991. Udders were palpated in July and September 1990. Treated animals had significantly lower plasma progesterone levels in 1990. Pregnancy rate as found by udder palpation was 17% for treated animals, 48% for controls. All animals found to be pregnant had high progesterone the following winter. More than 50% of pregnant females lost their calves during summer. |
Notes: | Rangifer. Vol. 13(3) :163-167 (1993). |
Keywords: | 59 -- Zoology. 591.16 -- Animal reproduction. 599 -- Mammalia. 599.735.3 -- Cervidae. H6 -- Zoology: mammals. (*3) -- Arctic regions. (*548) -- Scandinavia. (*58) -- Norway. |
SPRI record no.: | 124074 |
LDR 01647naa#a2200000#a#4500 001 SPRI-124074 005 20240329155431.0 007 ta 008 240329s1993####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-124074 040 ## ‡aUkCU-P‡beng‡eaacr 245 04 ‡aThe effect of medroxyprogesterone acetate on pregnancy rates in reindeer calves (Rangifer tarandus) /‡cErik Ropstad, Gaute Helland, Helge Hansen, Dag Lenvik, Eva Tangen Solberg. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 163-167 :‡bdiags., table. 500 ## ‡aRangifer. Vol. 13(3) :163-167 (1993). 520 3# ‡aIn September 1990 69 calves with minimum body weight of 46 kg were separated into two groups, one treated with single injection of medroxyprogesterone acetate, the other as control. Blood samples were collected for progesterone analysis in December 1990 and 1991. Udders were palpated in July and September 1990. Treated animals had significantly lower plasma progesterone levels in 1990. Pregnancy rate as found by udder palpation was 17% for treated animals, 48% for controls. All animals found to be pregnant had high progesterone the following winter. More than 50% of pregnant females lost their calves during summer. 650 07 ‡a59 -- Zoology.‡2udc 650 07 ‡a591.16 -- Animal reproduction.‡2udc 650 07 ‡a599 -- Mammalia.‡2udc 650 07 ‡a599.735.3 -- Cervidae.‡2udc 650 07 ‡aH6 -- Zoology: mammals.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*548) -- Scandinavia.‡2udc 651 #7 ‡a(*58) -- Norway.‡2udc 700 1# ‡aRopstad, Erik. 700 1# ‡aHelland, Gaute. 700 1# ‡aHansen, Helge. 700 1# ‡aLenvik, Dag. 700 1# ‡aSolberg, Eva Tangen. 773 0# ‡7nnas ‡tRangifer. ‡gVol. 13(3) (1993) ‡wSPRI-62467 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329