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Record #124072:
- #124072
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MARC recordVariables influencing survival in four generations of captive-born muskoxen / Peter C. Lent, W.J. Davis.
| Title: | Variables influencing survival in four generations of captive-born muskoxen / Peter C. Lent, W.J. Davis. |
| Author(s): | Lent, Peter C. Davis, W. J. |
| Date: | 1993. |
| In: | Rangifer. (1993.), Vol. 13(3) (1993) |
| Abstract: | Since 1967 four generations of muskoxen have been born in captivity in Alaska, all derived from 20 females and 8 males. Juvenile survival was analysed by dividing into 7 classes, from "born dead" to "survived 2 years". More males than females were born alive but more females reached 2 years. Birth weight was same for both sexes and did not significantly affect survival. 131 of 463 animals showed some inbreeding. Analysis showed lesser proportion of inbred calves surviving to 2 years but no significant differences in perinatal mortality. Offspring of original cows survived longer than later calves. |
| Notes: | Rangifer. Vol. 13(3) :137-142 (1993). |
| Keywords: | 519.2 -- Statistical methods. 59 -- Zoology. 591.16 -- Animal reproduction. 591.95 -- Animal life, human interference. 599.735.5 -- Bovidae. 636.293.5 -- Muskoxen, domesticated. H6 -- Zoology: mammals. (*3) -- Arctic regions. (*49) -- Alaska. |
| SPRI record no.: | 124072 |
LDR 01561naa#a2200000#a#4500 001 SPRI-124072 005 20240418125623.0 007 ta 008 240418s1993####xx#a##|##|s##|0||#0|eng#d 035 ## ‡aSPRI-124072 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aLent, Peter C. 245 10 ‡aVariables influencing survival in four generations of captive-born muskoxen /‡cPeter C. Lent, W.J. Davis. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 137-142 :‡bdiag., tables. 500 ## ‡aRangifer. Vol. 13(3) :137-142 (1993). 520 3# ‡aSince 1967 four generations of muskoxen have been born in captivity in Alaska, all derived from 20 females and 8 males. Juvenile survival was analysed by dividing into 7 classes, from "born dead" to "survived 2 years". More males than females were born alive but more females reached 2 years. Birth weight was same for both sexes and did not significantly affect survival. 131 of 463 animals showed some inbreeding. Analysis showed lesser proportion of inbred calves surviving to 2 years but no significant differences in perinatal mortality. Offspring of original cows survived longer than later calves. 650 07 ‡a519.2 -- Statistical methods.‡2udc 650 07 ‡a59 -- Zoology.‡2udc 650 07 ‡a591.16 -- Animal reproduction.‡2udc 650 07 ‡a591.95 -- Animal life, human interference.‡2udc 650 07 ‡a599.735.5 -- Bovidae.‡2udc 650 07 ‡a636.293.5 -- Muskoxen, domesticated.‡2udc 650 07 ‡aH6 -- Zoology: mammals.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*49) -- Alaska.‡2udc 700 1# ‡aDavis, W. J. 773 0# ‡7nnas ‡tRangifer. ‡gVol. 13(3) (1993) ‡wSPRI-62467 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240418