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Titolo:
A PROPOSED TECHNIQUE FOR QUANTIFYING MUSCLE PROGESTERONE CONTENT IN MINKE WHALES (BALAENOPTERA-ACUTOROSTRATA)
Autore:
YOSHIOKA M; OKUMURA T; AIDA K; FUJISE Y;
Indirizzi:
UNIV TOKYO,FAC AGR,DEPT FISHERIES,BUNKYO KU,1-1-1 YAYOI TOKYO 113 JAPAN INST CETACEAN RES,CHUO KU TOKYO 104 JAPAN
Titolo Testata:
Canadian journal of zoology
fascicolo: 2, volume: 72, anno: 1994,
pagine: 368 - 370
SICI:
0008-4301(1994)72:2<368:APTFQM>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
REPRODUCTIVE STATUS; SERUM; DOLPHINS;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
M. Yoshioka et al., "A PROPOSED TECHNIQUE FOR QUANTIFYING MUSCLE PROGESTERONE CONTENT IN MINKE WHALES (BALAENOPTERA-ACUTOROSTRATA)", Canadian journal of zoology, 72(2), 1994, pp. 368-370

Abstract

We have developed a new technique for the quantitative extraction of progesterone from very small pieces of muscle tissue of minke whales (Balaenoptera acutorostrata) post mortem. Ethanol extracts of approximately 0.5 g of tissue contained, on average, 15.3 ng/g progesterone in the case of pregnant females (SD = 12.7, n = 9) and 0.32 ng/g progesterone in the case of immature females (SD = 0.03, n = 9). Differences in muscle progesterone levels between females in the two reproductive states were significant, as has been previously reported also for serumlevels. Our technique is expected to be applicable in the near futureto the determination of the presence or absence of the corpus luteum in the ovaries and the reproductive status of free-ranging female whales, provided that sampling techniques for muscle biopsies are developed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 10:24:39