Composition, of Whales' Milk

  title={Composition, of Whales' Milk},
  author={J. White},
  • J. White
  • Published 1953
  • Biology, Medicine
  • Nature
IT has been possible to obtain eight samples of whales' milk for analysis through the very willing co-operation and help of Dr. E. Downing and Mr. J. A. B. Athey, of Chr. Salvesen and Co., Leith, and Dr. J. G. Sharp, of the Low Temperature Research Station, Cambridge. Two of the samples were from blue whales (Balœnoptera musculus) and the remainder from fin whales (Balœnoptera physalus). The milks were collected after dissection of the mammary glands during the flensing operation on board… Expand
Lactation in Whales and Dolphins: Evidence of Divergence Between Baleen- and Toothed-Species
  • O. Oftedal
  • Biology, Medicine
  • Journal of Mammary Gland Biology and Neoplasia
  • 2004
Information on lactation patterns, milk composition and lactation performance is reviewed and it is predicted that some odontocetes resemble primates in terms of low predicted rates of energy output and a long period of dependency of the young. Expand
Chemical characterization of the oligosaccharides in Bryde's whale (Balaenoptera edeni) and Sei whale (Balaenoptera borealis lesson) milk.
Samples of milk from a Bryde's whale and a Sei whale contained lactose as the dominant saccharide along with small amounts of Neu5Ac(alpha2-3)Gal(beta1-4)Glc (3'-N-acetylneuraminyllactose); the oligosaccharide patterns are different from those of these two species, illustrating the heterogeneity of milk oligOSaccharides among the Cetacea. Expand
The adaptation of milk secretion to the constraints of fasting in bears, seals, and baleen whales.
  • O. Oftedal
  • Biology, Medicine
  • Journal of dairy science
  • 1993
The low K:Na ratio of seal and whale milks and the low Ca:casein and inverse Ca:P ratios in seal milks are unusual and warrant further study. Expand
Effect of lactation stage and concurrent pregnancy on milk composition in the bottlenose dolphin
Milk progesterone indicated that dolphins ovulated and conceived between 413 and 673 days postpartum, following an increase in milk energy density and in relation to the growth rates of calves. Expand
Composition of milk of the pygmy sperm whale (Kogia breviceps)
A sample of milk from the lactating female contained less fat and more lactose than most cetecean milks previously analyzed, and the chlorinated hydrocarbon residues in the milk contained several unidentified constituents. Expand
578. The composition of the milk of the blue whale
The detailed composition of samples of milk from three blue whales (Balaenoptera sibbaldi) is reported in terms of total solids, fat, solids-not-fat, total protein, casein, soluble proteins,Expand
Composition of milk from spotted and spinner porpoises.
The composition of milk obtained from eight Stenella graffmani and from one Stenella microps is reported and compared with previous determinations on milk from other cetacean species. The milk had aExpand
Insights into Dietary Switch in Cetaceans: Evidence from Molecular Evolution of Proteinases and Lipases
Although pseudogenization resulted in each family of pancreatic proteinases only retaining one intact gene copy in cetacean genomes, positive selection might have driven pancreaticproteinases, stomach proteinases, and lipases to adaptively evolve a stronger ability to digest a relatively higher proportion of proteins and lipids from animal foods. Expand
Reproductive Structures, Strategies, and Patterns
This chapter explores the basic conditions of reproduction, which are reflected in the strategies for care and nourishment of the young and in the resulting life histories of these animals. Expand
Chapter 13 – Reproductive Structures, Strategies, and Patterns
The anatomy and physiology of the reproductive system in pinnipeds, cetaceans, and sirenians is summarized. Mating systems that range from monogamy to polygyny to promiscuity are described.Expand