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- Title
Ingestion of calcium solutions by common marmosets (Callithrix jacchus ).
- Authors
Power, Michael L.; Tardif, Suzette D.; Layne, Donna G.; Schulkin, Jay
- Abstract
Callithrix jacchus, the common marmoset, is a small New World primate that feeds on insects, fruit, and gum, and has a high reproductive rate for a primate. Insects are generally a poor source of dietary calcium, while gums may contain significant levels of calcium. Their high reproductive rate also suggests that reproductive female C. jacchus might be susceptible to calcium deficiency. Thus, we hypothesized that common marmosets might find solutions containing calcium to be palatable. We used choice experiments to examine this phenomenon in 14 male and 19 female common marmosets. Animals were presented with identical water bottles containing either deionized water or a calcium lactate solution (either 2% or 4% calcium lactate by weight) and intake was measured. Serum 25-OH-vitamin D was monitored in a subset of the animals in the experiment to examine the role of vitamin D in this behavior. Our results demonstrated that C. jacchus can distinguish between plain water and a calcium lactate solution, and that in general they prefer calcium solutions. Although animals with marginal vitamin D status did have strong preferences for calcium solutions, they did not ingest significantly more of the calcium solutions than animals that were vitamin D-replete. Nulliparous females and males did not differ in the amounts of calcium solutions ingested. Lactating females ingested the greatest volume of the calcium solutions. Am. J. Primatol. 47:255–261, 1999. © 1999 Wiley-Liss, Inc.
- Subjects
PRIMATES; INGESTION; ABSORPTION (Physiology); VITAMIN D; CALCIUM regulating hormones; ANIMAL feeding behavior; ANIMAL behavior
- Publication
American Journal of Primatology, 1999, Vol 47, Issue 3, p255
- ISSN
0275-2565
- Publication type
Article
- DOI
10.1002/(SICI)1098-2345(1999)47:3<255::AID-AJP7>3.0.CO;2-W