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Journal of Dairy Science Vol. 64 No. 3 433-440
© 1981 by American Dairy Science Association ®
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King Crab Meal in Concentrates for Lactating Cows1,2,

A. L. Brundage, F. M. Husby3, G. L. Beardsley4 and V. L. Burton

University of Alaska, Palmer 99645

ABSTRACT

King crab (Paralithodes camtschatica) meal was compared with soybean meal at two compared with soybean meal at two percents of concentrate supplementation for lactating cows in a 22 factorial feeding experiment with an unsupplemented negative control. All cows were fed the high soybean concentrate wk 5 through 7. Milk production and live weight from this positive control were independent continuous variables for covariance analysis of wk 8 through 16. Silage and concentrates were fed independently. Cows rejected .5 and .2 kg/day of high and low crab concentrates. Milk production was lowest for cows receiving the unsupplemented control and next low for those receiving concentrates supplemented with the smaller amounts of either soybean or crab meal. The linear regression of milk production on time was significant for all concentrates and of weight on time for soybean meal. With certain qualifications king crab meal can be a potential source of supplemental protein in concentrates for lactating cows.

FOOTNOTES

1 Contribution from the University of Alaska Agricultural Experiment Station. Published with the approval of the Director as Paper no. J-140, Journal Series, Alaska Agricultural Experiment Station, University of Alaska.

2 Data are from a project contributing to North Central Regional Project, NC-115, Nutrition of high producing dairy cows; and from Alaska Sea Grant Project, Utilization of Alaska marine by-products in rations for domestic animals.

3 University of Alaska, Agricultural Experiment Station, Fairbanks 99701.

4 Former herdsman/program supervisor.






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Copyright © 1981 by the American Dairy Science Association ®.