Volume 12, Issue 43 (spring 2008)
jwss 2008, 12(43): 349-358 |
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Abdi Gezeljeh E. Determination of Chemical Composition and Metabolizable Energy of Waste Spaghetti and Chickpea Pre-Cleaning Plants in Different Levels. jwss 2008; 12 (43) :349-358
URL: http://jstnar.iut.ac.ir/article-1-844-en.html
URL: http://jstnar.iut.ac.ir/article-1-844-en.html
Abstract: (23801 Views)
Based on the official statistics of industries and mines organization about 1000 tons of waste of spaghetti in spaghetti- producing plants, and around 7500 tons of waste in chickpea pre-cleaning plants are produced annually in the East Azarbayjan province. In order to determine chemical composition and metabolizable energy of the above mentioned waste, at first classified random sampling from 10% of plants was performed. Then amount of dry matter, crude protein, crude fiber, ether extract, NDF, ADF, and gross energy were measured according to AOAC (1990) procedures. The amounts of crude protein, crude fiber, ether extract, NDF and ADF, for spagettti waste were, 12/7, 0/2 , 2/4 , 1/7 and 0/1 percent, respectively, and for chickpea pre-cleaning were 30/2 , 17/8 , 8/7 , 32/3 and 22/4 percent, respectively. The waste of spaghetti was mixed with basal diet with the ratios of 0, 15, 30, 45, 60, 75, 90, and 100%. The waste of pre-cleaning chickpea was mixed with basal diet with the ratios of 15% and 45%. Then, in order to determine different kinds of metabolizable energy (AME, AMEn, TME, TMEn) of waste, 30 grams of mixed feed were force-fed to 4 adult Leghorn-type roosters, according to the method described by Sibbald. The amount of AMEn of spaghetti waste in different levels was 2915, 3535, 3937, 3643, 3728, 3671, 3687 and 3717 Kcal/kg, respectively and the amount of AMEn of metabolizable energy of checkpea pre-cleaning in two levels was 2677 and 2279 Kcal/kg, respectively. Statistical analysis showed that there were significant differences between AMEn of wastes. There were significant differences between amount and kinds of metabolizable energy in different levels. The highest amount of AME was observed to be in 30% ratio of spaghetti waste relation to basal diet. There were significant differences between amount of metabolizable energy of checkpea pre-cleaning in two levels. The highest amount of AME was observed to be in 15% ratio of checkpea pre-cleaning waste related to basal diet.
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