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Effects of 1,3-Butanediol and 1,2-Propanediol on Blood Ketone Bodies and Glucose in Sheep Fed Restricted Diets¹

School of Veterinary Medicine, Pahlavi University^,3, Shiraz, Iran

Abstract

Twenty Karakul rams were allotted to four groups, subjected first to starvation and then allowed restricted amounts (approximately 1/3 of ad libitum intake) of a high fiber, low energy diet containing no additive (control), 5% 1,3-butanediol (BD), 10% BD, and 5% 1,2-propanediol (PD) for 6 weeks. Starvation elevated (P<.001) serum ketones (ß-hydroxybutyrate and acetoacetate) and decreased (P<.05) serum glucose. Five percent BD increased (P<.05) acetoacetate; the effect of BD on ketones was much more pronounced (P<.05) at the 10% level. BD had no effect (P>.05) on serum glucose. PD had no effect (P>.05) on ketones, but tended to increase serum glucose. Results are compared with those from other ruminant and monogastric animals.

¹ Supported by a grant from the Pahlavi University Research Council.

² Department of Food Technology and Nutrition, School of Agriculture, Pahlavi University, Shiraz, Iran.

³ Department of Animal Biology.