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Comparison normal composting with composting using effective microorganisms for poultry carcasses disposal in poultry farms | ||
| Iraqi Journal of Veterinary Sciences | ||
| Article 1, Volume 23, Issue 2 - Serial Number 4, 2009, Pages 127-131 PDF (0 K) | ||
| DOI: 10.33899/ijvs.2009.5736 | ||
| Authors | ||
| D. Tabbaa; D. M. Taher | ||
| Abstract | ||
| Composting offers a convenient and environmentally acceptable safe, effective method for the disposal of carcasses as an alternative method to burning, burial and rendering. This study was conducted to evaluate the effects of a natural biological products containing an effective microorganisms namily; Lactic acid bacill (Lactobacillus plantarum; L. casei Streptococcus Lactis.), Photosynthetic bacteria (Rhodopseudomonas palustris; Rhodobacter sphaeroides),Yeast (Saccharomyces cerevisiae; Candida utilis Toula, Pichia Jadinii, Actinomycetes (Streptomyces albus; S. griseus.), and Fermenting fungi (Aspergillus oryzae; Mucor hiemalis) in the composting activity of poultry carcasses. The composting stacks constitute multi alternative layers of wood shaves, hay, poultry carcasses and then wood shaves and so on. The layers have been bypassed with plastic tubes for oxygen supply. Moreover, a petri dishes of salmonella and E. coli colonies were introduced within poultry carcasses layer. After 8 days of the experimental period this study follows the physical properties of the composting process according to its odor intesity, color and pH level as well as the bacterial reisolation from the stored colonies. Results indicate that the biological products increase the temperature of the composting stack (66-68° C) with a minimal odors as the pH meters recording 5.4 as compared to the control composting stack (52-64° C and pH 6.8 with offender odors). On the other hand ,the biological product inhibit the bacterial reisolation offers since the 10the day of the experiment, however, in the normal composting stack that periods will prolonged till the 17 days of the experiment. Interestingly, the biological product induce high and rapid digestable rate for the poultry carcasses which shown within 25 days of the experiment, in comparison to the normal composting stack which induce that effects in 60 days. In conclusion, the addition of effective microorganism to the composting substances led to efficient and fast composting process in temperature, acidity and the power of biosecurity in hygienic bioremedication. | ||
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