J. Anim Sci.
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J. Anim Sci. 1981. 52:93-100.
© 1981 American Society of Animal Science
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An Evaluation of an Ensiled Waste Fish Product in Swine Diets

G. W. Tibbetts1, R. W. Seerley1, H. C. McCampbell1 and S. A. Vezey2

University of Georgia,1, Athens 30602

Abstract

Fish bycatch (from shrimp boats) was ground and mixed with corn and molasses, then inoculated with Lactobacillus acidophilus, a fermenting agent. In a digestion trial with growing pigs, digestible nutrients in a diet containing 6% fish silage were equal to those found in a corn-soybean meal diet.A 6% fish silage diet and a basal diet with no fish silage were each fed to seven sows from breeding through lactation. Piglet birth weight, litter size, weaning weight, litter strength (subjective score), number of pigs weaned and average daily gain to weaning did not differ significantly between treatments. Sixty-four weanling and 64 finishing pigs were fed diets containing 0, 3, 6 and 9% fish silage. Average daily gains and feed conversion ratios for weanling pigs were not adversely affected (P>.05) by any level of fish silage. Average daily gains for finishing pigs fed the four diets were .73, .73, .74 and .68 kg, respectively; feed conversion ratios were 3.13, 3.37, 3.51 and 3.80. There were no significant differences between treatment groups in average daily gain; however, the inclusion of fish silage at 6 and 9% of the diet caused a decrease (P<.05) in feed conversion. Carcass merit measurements did not differ significantly between pigs in the four groups. Dietary treatments had no significant effect on tenderness, juiciness, detectable connective tissue, flavor or acceptability as measured by a consumer taste panel.

Footnotes

1 Dept of Anim. and Dairy Set and Georgia Sea Grant Program.

2 Ext Vet Med.






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Copyright © 1981 by the American Society of Animal Science.