J. Anim Sci.
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J. Anim Sci. 1968. 27:745-750.
© 1968 American Society of Animal Science
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Effect of Feeding Long Hay or Sodium Bicarbonate with Ground or Pelleted Diets High in Citrus Pulp on Lamb Performance1

P. E. Loggins, C. B. Ammerman, J. E. Moore and C. F. Simpson2

University of Florida, Gainesville,3

Abstract

Two 90-day summer feeding trials, using 76 lambs averaging 28.0 kg. in weight, were conducted to determine the effect on animal performance of feeding chopped hay or sodium bicarbonate with ground or pelleted diets high in citrus pulp. Both experiments involved 2x2 factorial arrangements with ground or chopped Bermudagrass hay as 10% of the diet and 0 and 1.5% dietary sodium bicarbonate in Experiment I and 0 and 10% chopped Bermudagrass hay in the diet and 0 or 0.5% sodium bicarbonate added to the drinking water in Experiment II. The substitution of chopped hay for ground hay and the substitution of chopped hay for the pelleted concentrate increased weight gains (P<.05, Experiment I; P<.01, Experiment II). In Experiment II adding 10% chopped hay increased (P<.01) rumen pH and reduced the concentration of total volatile fatty acids in the rumen. The incidence and severity of rumen parakeratosis were greatest in lambs consuming the all concentrate, pelleted diet. Sodium bicarbonate was without effect on observed criteria and there was no evidence of significant treatment interactions.

Footnotes

1 Florida Agricultural Experiment Stations, Journal Series No. 2712.

2 The authors wish to acknowledge the Florida Citrus Processor's Association in cooperation with the Florida Citrus Commission for funds in support of this study; and Dawes Laboratory, Inc., Chicago, Illinois, for supplying vitamins A and D. Nawal Masri, P. A. Hicks and J. U. Stokes are acknowledged for their technical assistance.

3 Departments of Animal Science and Veterinary Science.






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Copyright © 1968 by the American Society of Animal Science.