Developmental changes in the composition of Beagle dog milk.

B. Lönnerdal, Carl L Keen, L. S. Hurley, G. L. Fisher

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The concentrations of iron, copper, zinc, manganese, calcium, magnesium, protein, carbohydrate, and fat were analyzed in dog milk during the first 45 days of lactation. The concentration of iron decreased significantly from 13 microgram/ml on day 0 to 6 microgram/ml. Zinc concentration decreased only slightly from 9.6 microgram/ml to 8.7 microgram/ml. Calcium concentration increased significantly during early lactation, from 1,366 microgram/ml to 1,757 microgram/ml on day 10, but changed little thereafter. Protein concentration increased throughout lactation, from 4.3% early in lactation to 6.3% late in lactation. Fat concentration increased from 2.4% to 4.5% in early lactation, and then decreased to 2.7% in late lactation. The concentrations of copper, manganese, magnesium, and carbohydrate did not show strong developmental patterns; average values were 1.8 microgram/ml, 0.14 microgram/ml, 59 microgram/ml, and 4.5%, respectively, throughout lactation. These data indicated that the nutrient intake of the pup changed markedly during the early neonatal period and that these changes should be taken into account in evaluating studies of suckling dogs.

Original languageEnglish (US)
Pages (from-to)662-666
Number of pages5
JournalAmerican Journal of Veterinary Research
Volume42
Issue number4
StatePublished - Apr 1981
Externally publishedYes

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early lactation
Beagle
Lactation
Milk
lactation
late lactation
Dogs
milk
manganese
dogs
magnesium
copper
zinc
iron
carbohydrates
calcium
lipids
suckling
nutrient intake
pups

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Lönnerdal, B., Keen, C. L., Hurley, L. S., & Fisher, G. L. (1981). Developmental changes in the composition of Beagle dog milk. American Journal of Veterinary Research, 42(4), 662-666.

Developmental changes in the composition of Beagle dog milk. / Lönnerdal, B.; Keen, Carl L; Hurley, L. S.; Fisher, G. L.

In: American Journal of Veterinary Research, Vol. 42, No. 4, 04.1981, p. 662-666.

Research output: Contribution to journalArticle

Lönnerdal, B, Keen, CL, Hurley, LS & Fisher, GL 1981, 'Developmental changes in the composition of Beagle dog milk.', American Journal of Veterinary Research, vol. 42, no. 4, pp. 662-666.
Lönnerdal B, Keen CL, Hurley LS, Fisher GL. Developmental changes in the composition of Beagle dog milk. American Journal of Veterinary Research. 1981 Apr;42(4):662-666.
Lönnerdal, B. ; Keen, Carl L ; Hurley, L. S. ; Fisher, G. L. / Developmental changes in the composition of Beagle dog milk. In: American Journal of Veterinary Research. 1981 ; Vol. 42, No. 4. pp. 662-666.
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