Haready,, M., EI- Moghazy, G. (2006). EFFECT OF TWO BIOLOGICAL TREATMENTS FOR SOME AGRICULTURAL RESIDUES, (RICE STRAW AND COTTON STALKS) ON THEIR NUTRITIVE VALUES. Journal of Animal and Poultry Production, 31(10), 6233-6251. doi: 10.21608/jappmu.2006.235631
M. S. Haready,; Gihan M. EI- Moghazy. "EFFECT OF TWO BIOLOGICAL TREATMENTS FOR SOME AGRICULTURAL RESIDUES, (RICE STRAW AND COTTON STALKS) ON THEIR NUTRITIVE VALUES". Journal of Animal and Poultry Production, 31, 10, 2006, 6233-6251. doi: 10.21608/jappmu.2006.235631
Haready,, M., EI- Moghazy, G. (2006). 'EFFECT OF TWO BIOLOGICAL TREATMENTS FOR SOME AGRICULTURAL RESIDUES, (RICE STRAW AND COTTON STALKS) ON THEIR NUTRITIVE VALUES', Journal of Animal and Poultry Production, 31(10), pp. 6233-6251. doi: 10.21608/jappmu.2006.235631
Haready,, M., EI- Moghazy, G. EFFECT OF TWO BIOLOGICAL TREATMENTS FOR SOME AGRICULTURAL RESIDUES, (RICE STRAW AND COTTON STALKS) ON THEIR NUTRITIVE VALUES. Journal of Animal and Poultry Production, 2006; 31(10): 6233-6251. doi: 10.21608/jappmu.2006.235631
EFFECT OF TWO BIOLOGICAL TREATMENTS FOR SOME AGRICULTURAL RESIDUES, (RICE STRAW AND COTTON STALKS) ON THEIR NUTRITIVE VALUES
Center Laboratory for Food and Feed, Agric. Res. Center, Giza, Egypt.
Abstract
The present study was carried out in the Central Laboratory for Food and
Feed (CLFF) to study the effect of treated rice straw and cotton stalks with white-rot
fungi (Pleurotus ostreatus) alone. added yeast (Saccharomyces Cervisiae), incubated
yeast for 15hr and combination of fungi and yeast on chemical composition, fiber
fractions, digestibility of dry matter (IVDMD), digestibility of organic matter (IVOMD).
true digestibility (lVTD), pH and microflora of ruminal fluid (Enterococci count, lactic
acid bacteria count and total anaerobic bacteria oount).The results of chemical
composition showed in case of RS incubated with 80 tor 15hr increase in protein
content (from 4.6 to 6.2%). and in case CS incubated with 80 for 15hr (from 3.5 to
5.9%) however. additional increase in case of spent FiC (from 4.6 to 7.6%) and spent
OS (from 3.5 to 10.9%). The results of fiber content were decrease in general, in case
of HS incubated with SC for 15hr decrease in fiber content (from 34.8 to 33.4%). and
in case of CS incubated with 80 for 15hr (from 48.2 to 45.9%). However, additional
decrease in case of spent FiC (from 34.8 to 16.4%) and spent CS incubated with 80
(from 48.2 to 30.9%). Each of fiber fraction. lignin content in both experimental
materials showed considerable decrease refers to the treatment with fungi or yeast or
both. The result of IV-DMD showed highest value with the treated rice straw with fungi
+ yeast (52.24%) and the same trend with IV-OMD (60.54%). However. the highest
lV—true digestibility value was with treated rice straw with fungi and incubated yeast for
15hr (66.28%). No effect of yeast treatment on the pH value of the rumenal fluid over
all the experiment. The administration of SC to small ruminants stimulates the growth
of the beneficial rumenal bacteria which consequently positively affects the rumenal
fiber degradation i.e someEl vs. 56x103.30x103 vs. same“ and 20x103 vs. 52x103 for
enterococci count. lactic acid bacteria count and total anaerobic bacteria count,
respectively. The results revealed that the cultivation of fungi and inculation or
addition with yeast could improve the nutritive value of rice straw and cotton stalks.
Hence, the biological treatment, in addition, of sharing it for improvement of nutritive
value of these residues to be suitable for animal feeding, the treated residues share in
reducing the environmental pollution by avoiding burning it.
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