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Effects of Diet and Feeding Level on Taste Responses of Sheep and Calves to Sucrose Solutions¹

Oregon State University^,3, Corvallis 97331

Abstract

The two-choice preference test was used in a switch-back design experiment to determine the effects of diet ingredients and feeding level on taste responses of six lambs and six calves to sugar solutions containing 5% or 20% sucrose (test solutions). Taste responses were determined at both levels of sucrose concentration with two different diets and at ad libitum and maintenance levels of feed intake. When fed ad libitum, treatments elicited greater animal responses for both concentrations of sucrose when consuming alfalfa pellets than when consuming complete pellets. Maintenance feeding increased responses to both sucrose concentrations in animals on complete pellets and in calves on alfalfa with 20% sucrose. The results indicate that diet ingredients affected taste responses as did feeding level. Animals tended to consume more sucrose/unit of metabolic size when eating alfalfa, regardless of sucrose concentration or feeding level.

¹ Oregon Agricultural Experiment Technical Paper No. 4706.

² Present Address: Box 1950 Lubbock, TX 79408.

³ Department of Animal Science.