Effect of Sheep Diets Containing Microbiological Treated Rice Straw on Blood Parameters and Nitrogen Balance
Year: 2015
Type: article
Abstract: The objective of this investigation was to verity the potential benefits of microbiological treatments of rice straw as an agriculture by-product produced in huge amount in Egypt to be used in preparation of small ruminants diets. Five microorganisms were used in 17 treatments beside control and fortified control. These microorganisms were selected upon their cellulolytic activities being two bacteria, Bacillus licheniformis (B1), Ruminococcusalbus (B2), fungal strains being Aspergillus oryzae (F1), Rhizopus nigricans (F2) and one yeast strain called Saccharomyces cerevisiae (Y). These microorganisms were used either individually or in a mixture form. The effect of these treatments was examined from chemical point of view of the diets composition and blood parameters as well. The faeces components and nitrogen balance were also considered. Results of the chemical analyses showed that rice straw contained insufficient crude protein being 5.61% that equal to 5.98% of dry matter (93.7%) that not proper for rumen microorganisms and fermentation. Obtained results exhibited that the microbiological treatments significantly (P≤ 0.001) decreased the dry matter from 93.70 to 47.61. The treatment in which five microorganisms were used showed to be the best treatment by 49.18%. Results proved that crude fiber was also significantly (P≤ 0.001) decreased from 33.15 to 27.14 by 18.12% while crude protein was significantly (P≤ 0.001) increased from 5.61 to 11.40 by 103.2%. In case of faeces components, results showed no significant differences for crude protein, ether extract and nitrogen free extract. On the other hand, high significance (P≤ 0.001) with ash values was found while significant (P≤ 0.05) differences were found for dry matter among the three treatments, Control, fortified control and microbiological treatment, T17. Both organic matter and crude fiber were significantly (P≤ 0.01) changed. In addition, faecal nitrogen and nitrogen balance exhibited no significance while high significance (P≤ 0.001) was found in case of nitrogen intake, urinary nitrogen and digested nitrogen as well. Regarding blood parameters, serum albumin (gdl-1) was not affected by microbiological treatments while both plasma total protein (P≤ 0.001) and plasma globulin (P≤ 0.01) significantly changed at the 6th h post feeding among the three treatments, control, fortified control and microbiological treatment (T17). Results also showed that plasma total lipids, plasma total glucose or plasma urea-nitrogen were not affected. Furthermore, both Got (Ast) and Gpt (Alt) were not affected proved the microbiological treatment had no effect on the liver functions.
Source: Journal of Microbiology Research
Language: English
Subfield: Animal Science and Zoology
Domain: Life Sciences
Open Access status: diamond
OpenAlex ID: W240168873