J. Anim Sci.
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J. Anim Sci. 1984. 58:1211-1215.
© 1984 American Society of Animal Science
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Nutritive Value Of Reconstituted Sorghum Grains For Weanling Pigs

B. N. Mitaru1,2,, R. D. Reichert3 and R. Blair1,4,

University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N OWO and and National Research Council of Canada, Plant Biotechnology Institute, (formerly Prairie Regional Laboratory), Saskatoon, Saskatchewan, Canada,, S7N OWO

Abstract

Grains from a high and low tannin sorghum were reconstituted by adding distilled water at a 30% level (w/w) and stored for 20 d at 25 C with an acetic-propionic acid mixture added to deter fungal growth. Another batch of grain from the same sources was used as control (no moisture treatment). The grains treated as above were incorporated at a 75% level in soybean meal-based starter diets for pigs. Reconstitution reduced the tannin content of high tannin sorghum significantly. The weight gains and feed consumptions with untreated and treated sorghums were not different (P>.05). Feed efficiency (G/F) was better (P<.05) with reconstituted than with the untreated sorghums. Dry matter digestibility was improved (P<.05) by reconstitution. The diets containing high tannin sorghum had lower (P<.05) digestible energy than the diets containing low tannin sorghums. Reconstitution improved (P<.05) the protein digestibility of the high tannin sorghum, but not that of the low tannin sorghum.

Footnotes

1 Dept. of Anim. and Poul. Sci., Univ. of Saskatchewan.

2 Financial support of the senior author by the Kenya Government is gratefully acknowledged. Thanks to Dr. Frank-Scott Pearce of King Grain Ltd., Chatham, Ontario, for supplying the high tannin sorghum and also to Barry Panchuk and Ed Knopf for technical assistance.

3 National Research Council of Canada, Plant Biotechnology Institute.

4 Present address: Dept. of Anim. Sci., Univ. of British Columbia, Vancouver, British Columbia, Canada V6T 2A2.






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