Kiesling, H.E. and McCroskey, J.E. and Wagner, D.G. (1973) A comparison of energetic efficiency of dry rolled and reconstituted rolled sorghum grain by steers using indirect calorimetry and the comparative slaughter technique. Journal of Animal Science, 37 (3). pp. 790-795.
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Abstract
Reconstituted, rolled sorghum grain was prepared by soaking air-dried grain in water for 24 h. The drained product had 38% moisture. Dry and reconstituted grains were rolled and given as 84% of the DM in mixed feeds. Complete diets had 14% crude protein and 4.5 Mcal gross energy/kg DM. Reducing sugars were 1.13% in reconstituted grain and 0.93% in dry grain. Energetic efficiency was measured by comparative slaughter in a feeding trial and by open circuit calorimetry before and after the feeding trial. Of 3 groups of 6 yearling Hereford bullocks, one group was killed at the start. Calorimetry studies were made, and fasting heat production was estimated during 2 consecutive 24-h periods. In the feeding trial bullocks on reconstituted, rolled sorghum ate significantly less DM but got significantly more net energy (NE). The energy balance trials showed that bullocks on reconstituted grain took less gross energy, but tended to be more efficient in energy utilisation. Digestible energy was more in trial 1 and metabolisable energy was more in trial 2 for reconstituted grain. No significant difference was seen in NE for maintenance and gain between the diets in either trial. NE for maintenance and gain for both rations, estimated by respiration calorimetry, was 22% more than values by comparative slaughter
| Item Type: | Article |
|---|---|
| Author Affiliation: | Oklahoma Agriculture Experiment Station, Stillwater 74074, USA |
| Subjects: | Animal Husbandary |
| Divisions: | Sorghum |
| Depositing User: | Ms K Syamalamba |
| Date Deposited: | 06 Jul 2012 08:59 |
| Last Modified: | 06 Jul 2012 08:59 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6604 |
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