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Taste responses of calves to various concentrations of different salts†

Published online by Cambridge University Press:  02 September 2010

M. J. Mehren  and
D. C. Church
M. J. Mehren
Affiliation:
Department of Animal Science, Oregon State University, Corvallis, Oregon 97731, USA
D. C. Church
Affiliation:
Department of Animal Science, Oregon State University, Corvallis, Oregon 97731, USA
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Summary

Experiments were conducted to observe the taste responses of male and female calves to various levels of sodium salts, chloride solutions, and trace minerals. Animals were penned individually and given a completely pelleted ration ad libitum. Trace mineralized salt was freely available.

Using water as a basis for determination, a non-discrimination zone was established. This zone represented an intake ranging from 63 to 37%. Preference threshold was set at 80% of intake, while the rejection threshold was set at 20% of intake. Responses were determined by expressing the intake of the test solution as a percentage of the total intake during the test period. Responses at a given chemical concentration were measured during two 8-hr periods.

Taste response observations were made on the following: 0·02, 0·08, 0·32 or 1·25% sodium chloride (NaCl), sodium sulphate (Na2SO4), sodium bicarbonate (NaHCO3), sodium carbonate, monobasic sodium phosphate (NaH2PO4), dibasic sodium phosphate (Na2HPO4), ammonium chloride, potassium chloride, calcium chloride, magnesium chloride, and manganese chloride. In addition, observations were made when 0·02, 0·08, 0·32 or 1·25% NaHCO3, Na2SO4, or Na2HPO4 were offered in opposition to equal concentrations of NaCl. The responses to 5, 10, 20, 40 and 60 p.p.m. concentrations of cupric chloride, zinc chloride, molybdenum trioxide and cobaltous chloride were observed also.

Type
Research Article
Information
Animal Production , Volume 25 , Issue 1 , August 1977 , pp. 11 - 17
Copyright
Copyright © British Society of Animal Science 1977

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References

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