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Record #49166:

Thermal regulation in Weddell seal pups / D.D. Hammond, R. Elsner, D. Denison, C. Farwell, R. Wyburn, W. Hanafee.

Title: Thermal regulation in Weddell seal pups / D.D. Hammond, R. Elsner, D. Denison, C. Farwell, R. Wyburn, W. Hanafee.
Author(s): Hammond, D. D.
Elsner, R.
Denison, D.
Farwell, C.
Wyburn, R.
Hanafee, W.
Date: 1971.
In: Antarctic Journal of the United States. (1971.), Vol. 6(4) (1971)
Abstract: Four main tasks were completed in the 2nd year's study of thermal regulation in seals. First, the population of the colony was counted daily for 4 weeks, to give age distribution and activities of the mothers and pups. Second, deep body temperatures of several pups were obtained in the field at various ages for periods up to 18 hr at a time to determine and record normal unrestrained body core temperature under natural conditions. Third, pups were measured for oxygen consumption, weight gain, thickness of fat, rate of carbon dioxide production, and deep body temperatures under fixed environmental conditions in a metabolic chamber. Fourth, the effect of immersion in sea water (-1.8°C) upon the deep body temperature of two pups in the first day of life and again 1 week later was observed. Secondary studies included tissue biopsies and histological examinations for determination of brown fat in newborn seals. Circulatory changes during thermal stress in Weddell seals were examined with radiological equipment and evidence found that during combined warming and diving experiments some blood flow was maintained, overriding the usually vigorous diving vasoconstriction.
Notes:

Antarctic Journal of the United States. Vol. 6(4) :96-97 (1971).

Keywords: 59 -- Zoology.
599(26) -- Sea mammals.
591.543.1 -- Animals, influence of temperature.
599.745.3 -- Phocidae.
91(08) -- Expeditions: 1955- US Antarctic Program.
H6 -- Zoology: mammals.
(*7) -- Antarctic regions.
(*881) -- Ross Sea.
SPRI record no.: 49166

MARCXML

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245 00 ‡aThermal regulation in Weddell seal pups /‡cD.D. Hammond, R. Elsner, D. Denison, C. Farwell, R. Wyburn, W. Hanafee.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1971.
300 ## ‡ap. 96-97 :‡bill.
500 ## ‡aAntarctic Journal of the United States. Vol. 6(4) :96-97 (1971).
520 3# ‡aFour main tasks were completed in the 2nd year's study of thermal regulation in seals. First, the population of the colony was counted daily for 4 weeks, to give age distribution and activities of the mothers and pups. Second, deep body temperatures of several pups were obtained in the field at various ages for periods up to 18 hr at a time to determine and record normal unrestrained body core temperature under natural conditions. Third, pups were measured for oxygen consumption, weight gain, thickness of fat, rate of carbon dioxide production, and deep body temperatures under fixed environmental conditions in a metabolic chamber. Fourth, the effect of immersion in sea water (-1.8°C) upon the deep body temperature of two pups in the first day of life and again 1 week later was observed. Secondary studies included tissue biopsies and histological examinations for determination of brown fat in newborn seals. Circulatory changes during thermal stress in Weddell seals were examined with radiological equipment and evidence found that during combined warming and diving experiments some blood flow was maintained, overriding the usually vigorous diving vasoconstriction.
650 07 ‡a59 -- Zoology.‡2udc
650 07 ‡a599(26) -- Sea mammals.‡2udc
650 07 ‡a591.543.1 -- Animals, influence of temperature.‡2udc
650 07 ‡a599.745.3 -- Phocidae.‡2udc
650 07 ‡a91(08) -- Expeditions: 1955- US Antarctic Program.‡2udc
650 07 ‡aH6 -- Zoology: mammals.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*881) -- Ross Sea.‡2udc
700 1# ‡aHammond, D. D.
700 1# ‡aElsner, R.
700 1# ‡aDenison, D.
700 1# ‡aFarwell, C.
700 1# ‡aWyburn, R.
700 1# ‡aHanafee, W.
773 0# ‡7nnas ‡tAntarctic Journal of the United States. ‡gVol. 6(4) (1971) ‡wSPRI-41791
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20240328