C Michaels
Manipulation of the calcium content of insectivore diets through supplementary dusting
Michaels, C; Antwis, RE; Preziosi, RF
Authors
RE Antwis
RF Preziosi
Abstract
Insects fed to captive insectivores are deficient in calcium with inverse calcium to phosphorous ratios
(Ca:P), and supplementation is required to avoid nutritional metabolic bone disease (NMBD). One
method of improving the nutritional value of feeder insects is by “dusting” with powdered supplements,
although it is often suggested that these are rapidly shed from prey insects. Here we analysed the
calcium content of hatchling, second, fourth and adult instars of black field crickets and silent crickets
at increasing time intervals after dusting, as well as comparing three commercially available brands
of supplement in fourth instar black field crickets. Our data show these brands do not differ from one
another in terms of calcium delivery, despite differences in calcium content. We also show that dusting
can be used to increase Ca:P ratios above 1:1 in crickets up to 5.5 hours after dusting, with the exception
of adult black field crickets, and thus dusting is a useful method of calcium supplementation.
Citation
Michaels, C., Antwis, R., & Preziosi, R. (2014). Manipulation of the calcium content of insectivore diets through supplementary dusting. The Journal of zoo and aquarium research, 2(3), 77-81
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 22, 2014 |
Online Publication Date | Jul 31, 2014 |
Publication Date | Jul 31, 2014 |
Deposit Date | Sep 30, 2015 |
Publicly Available Date | Apr 5, 2016 |
Journal | Journal of Zoo and Aquarium Research |
Electronic ISSN | 2214-7594 |
Peer Reviewed | Peer Reviewed |
Volume | 2 |
Issue | 3 |
Pages | 77-81 |
Keywords | Calcium supplementation, Captive husbandry, Cricket, Feeder insects, Nutritional metabolic bone disease |
Publisher URL | http://www.jzar.org/jzar/article/view/59/37 |
Additional Information | Funders : Biotechnology and Biosciences Sciences Research Council (BBSRC);Natural Environment Research Council (NERC) |
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