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Record #188291:
Genetic analysis of twinning in Antarctic fur seals (Arctocephalus gazella) / Joseph I. Hoffman, Jaume Forcada.
Title: | Genetic analysis of twinning in Antarctic fur seals (Arctocephalus gazella) / Joseph I. Hoffman, Jaume Forcada. |
Author(s): | Hoffman, Joseph I. Forcada, Jaume. |
Date: | 2009. |
In: | Journal of Mammalogy. (2009.), Vol. 90(3) (2009) |
Abstract: | Uses 9 highly polymorphic microsatellite markers to examine parentage of 11 putative pairs of twins in Antarctic fur seals breeding at Bird Island, South Georgia. Only 3 pairs (27%) were found to be genuine twins, indicating that suckling observations are unreliable means of identifying twins in this species. All twins were female, one pair being monozygotic and the other two dizygotic. Likelihood tests revealed that one pair of dizygotic twins was significantly more likely to be full siblings, whereas the other pair was more likely to be half siblings, indicating probably multiple paternity. |
Notes: | Journal of Mammalogy. Vol. 90(3) :621-628 (2009). |
Keywords: | 599(26) -- Sea mammals. 599.745 -- Pinnipedia. 599.745.1 -- Otaridae: Arctocephalus gazella. 591.1 -- Animal physiology. 591.16 -- Animal reproduction. 591.568 -- Care and feeding of young animals. 575 -- Genetics. 59.08 -- Zoological methods. 91(08) -- Expeditions: 1962- British Antarctic Survey. 91(08) -- Expeditions: 1994-2003 BAS. .000(410) -- British author. H6 -- Zoology: mammals. (*7) -- Antarctic regions. (*723) -- South Georgia and Shag Rocks. |
SPRI record no.: | 188291 |
LDR 01908naa#a2200000#a#4500 001 SPRI-188291 005 20240329153900.0 007 ta 008 240329s2009####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-188291 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aHoffman, Joseph I. 245 10 ‡aGenetic analysis of twinning in Antarctic fur seals (Arctocephalus gazella) /‡cJoseph I. Hoffman, Jaume Forcada. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2009. 300 ## ‡ap. 621-628 :‡bill., tables. 500 ## ‡aJournal of Mammalogy. Vol. 90(3) :621-628 (2009). 520 3# ‡aUses 9 highly polymorphic microsatellite markers to examine parentage of 11 putative pairs of twins in Antarctic fur seals breeding at Bird Island, South Georgia. Only 3 pairs (27%) were found to be genuine twins, indicating that suckling observations are unreliable means of identifying twins in this species. All twins were female, one pair being monozygotic and the other two dizygotic. Likelihood tests revealed that one pair of dizygotic twins was significantly more likely to be full siblings, whereas the other pair was more likely to be half siblings, indicating probably multiple paternity. 650 07 ‡a599(26) -- Sea mammals.‡2udc 650 07 ‡a599.745 -- Pinnipedia.‡2udc 650 07 ‡a599.745.1 -- Otaridae: Arctocephalus gazella.‡2udc 650 07 ‡a591.1 -- Animal physiology.‡2udc 650 07 ‡a591.16 -- Animal reproduction.‡2udc 650 07 ‡a591.568 -- Care and feeding of young animals.‡2udc 650 07 ‡a575 -- Genetics.‡2udc 650 07 ‡a59.08 -- Zoological methods.‡2udc 650 07 ‡a91(08) -- Expeditions: 1962- British Antarctic Survey.‡2udc 650 07 ‡a91(08) -- Expeditions: 1994-2003 BAS.‡2udc 650 07 ‡a.000(410) -- British author.‡2udc 650 07 ‡aH6 -- Zoology: mammals.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*723) -- South Georgia and Shag Rocks.‡2udc 700 1# ‡aForcada, Jaume. 773 0# ‡7nnas ‡tJournal of Mammalogy. ‡gVol. 90(3) (2009) ‡wSPRI-22378 916 ## ‡a2010/01/21 -- HS 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329 ‡bHS