Effect of corncob bedding on feed conversion efficiency in a high-fat diet-induced prediabetic model in C57Bl/6J mice

Ashley G. Ambery, Lixuan Tackett, Brent A. Penque, Debra L. Hickman, Jeffrey S. Elmendorf

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Laboratory facilities use many varieties of contact bedding, including wood chips, paper products, and corncob, each with its own advantages and disadvantages. Corncob bedding, for example, is often used because of its high absorbency, ability to minimize detectable ammonia, and low cost. However, observations that mice eat the corncob lead to concerns that its use can interfere with dietary studies. We evaluated the effect of corncob bedding on feed conversion (change in body weight relative to the apparent number of kcal consumed over 7 d) in mice. Four groups of mice (6 to 12 per group) were housed in an individually ventilated caging system: (1) low-fat diet housed on recycled paper bedding, (2) low-fat diet housed on corncob bedding, (3) high-fat diet housed on recycled paper bedding, and (4) high-fat diet housed on corncob bedding. After 4 wk of the high-fat diet, feed conversion and percentage body weight change both were lower in corncob-bedded mice compared with paper-bedded mice. Low-fat-fed mice on corncob bedding versus paper bedding did not show statistically significant differences in feed conversion or change in percentage body weight. Average apparent daily feed consumption did not differ among the 4 groups. In conclusion, these data suggest that corncob bedding reduces the efficiency of feed conversion in mice fed a high-fat diet and that other bedding choices should be favored in these models.

Original languageEnglish (US)
Pages (from-to)449-451
Number of pages3
JournalJournal of the American Association for Laboratory Animal Science
Volume53
Issue number5
StatePublished - Sep 1 2014

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corn cobs
High Fat Diet
high fat diet
feed conversion
mice
Fat-Restricted Diet
Body Weight Changes
recycled paper
low fat diet
body weight changes
Ammonia
wood chips
diet study techniques
Fats
Body Weight
Costs and Cost Analysis
ammonia
feed intake
body weight

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Effect of corncob bedding on feed conversion efficiency in a high-fat diet-induced prediabetic model in C57Bl/6J mice. / Ambery, Ashley G.; Tackett, Lixuan; Penque, Brent A.; Hickman, Debra L.; Elmendorf, Jeffrey S.

In: Journal of the American Association for Laboratory Animal Science, Vol. 53, No. 5, 01.09.2014, p. 449-451.

Research output: Contribution to journalArticle

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