J. Anim Sci.
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J. Anim Sci. 1989. 67:1411-1417.
© 1989 American Society of Animal Science
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Effect of Dietary Potassium Chloride on Feeder Pig Performance, Market Shrink, Carcass Traits and Selected Blood Parameters1,2,

M. C. Brumm3 and B. R. Schricker4

University of Nebraska ,3 Northeast Research and Extension Center, Concord 68728 and International Minerals and Chemical Corporation,4, Terre Haute, IN 47808

Abstract

A total of 288 commingled crossbred feeder pigs were purchased and transported 1,050 km in two trials to investigate the effect of added dietary potassium chloride in receiving and finishing diets on feeder pig shrink recovery, performance and pre-slaughter shrink. Diets containing 0, .48%, .96% or 1.44% added potassium chloride were fed for 2 wk post-arrival and again from 12 wk post- arrival until slaughter. There was no effect (P > .1) on gain (22.9 kg pay weight) or feed conversion or on plasma or red blood cell potassium for the 2-wk post-arrival period due to the inclusion of potassium chloride in the 2-wk receiving diet. Also, there was no effect (P > .1) of potassium chloride in diets from 12 wk post-arrival until slaughter on gain, feed conversion, market shrink, carcass dressing percentage and plasma or red blood cell potassium concentration at slaughter. These results suggest that corn-soybean meal-based diets contain sufficient potassium for pigs following a period of stress associated with marketing and transport.

Footnotes

1 Journal Series No. 8388, Agric. Res. Div., Univ. of Nebraska.

2 The assistance of Jim Dahlquist and Dennis Forsberg in animal care and sample collection is gratefully acknowledged.

3 Dept. of Anim. Sci.

4 Anim. Sci. Res.






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