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Titolo:
MILK-COMPOSITION AND PRODUCTION IN FREE-LIVING ALLIED ROCK-WALLABIES,PETROGALE-ASSIMILIS
Autore:
MERCHANT JC; MARSH H; SPENCER P; DEATH G;
Indirizzi:
CSIRO,DIV WILDLIFE & ECOL,POB 84 LYNEHAM ACT 2602 AUSTRALIA JAMES COOK UNIV N QUEENSLAND,DEPT TROP ENVIRONM STUDIES & GEOG TOWNSVILLE QLD 4811 AUSTRALIA JAMES COOK UNIV N QUEENSLAND,DEPT BIOMED & TROP VET SCI TOWNSVILLE QLD 4811 AUSTRALIA
Titolo Testata:
Australian journal of zoology
fascicolo: 6, volume: 44, anno: 1996,
pagine: 659 - 674
SICI:
0004-959X(1996)44:6<659:MAPIFA>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
MACROPUS-EUGENII; TAMMAR WALLABY; POUCH YOUNG; MARSUPIALIA; LACTATION; CONSUMPTION; POSSUM; GROWTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
39
Recensione:
Indirizzi per estratti:
Citazione:
J.C. Merchant et al., "MILK-COMPOSITION AND PRODUCTION IN FREE-LIVING ALLIED ROCK-WALLABIES,PETROGALE-ASSIMILIS", Australian journal of zoology, 44(6), 1996, pp. 659-674

Abstract

Milk composition and the rates of milk consumption by pouch young were examined in free-living allied rock-wallabies, Petrogale assimilis. Milk solids concentrations were approximately 16% (w/w) at 70 days post-partum and increased to about 22% by 170 days when young first left the pouch. By permanent pouch emergence (about 200 days), concentrations had declined and stabilised at about 19%. Milk carbohydrate peaked at 12% (w/v) at 150 days; lipid concentrations averaged 8% (w/w) at 200 days. The subsequent decline in carbohydrates was the main cause of the fall in milk solids. Protein concentrations increased gradually from about 3% (w/v) at 70 days to plateau at 5.5% at about 200 days. Milk consumption rates were measured from 72 to 159 days post-partum withNa-22 turnover. Milk consumption, about 3 mL day(-1) initially, increased to an average of about 15 mL day(-1) by 150 days. The mass gainedby a pouch young between 72 and 159 days for each millilitre of milk consumed was not correlated with lactational stage and averaged 0.21 +/- 0.014 (s.e.)g mL(-1).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 22:10:49