THE EFFECT OF BIOLOGICAL TREATMENT ON CHEMICAL COMPOSITION, DIGESTIBILITY AND FEEDING VALUES OF COTTON STALKS AND RICE STRAW.

Document Type : Original Article

Authors

1 Central Laboratory for Food and Feed, Agriculture Research Center, Giza, Egypt.

2 Animal Department, EI-Mansoura University, Egypt.

Abstract

The present work was carried out to study the effect of incubated cotton stalks
and rice straw with white-rot fungi growth (Pleurotus ostreatus) (P.O) on the
digestibility (In vitro and in vivo) and feeding value of cotton stalks and rice straw.
~esults showed that CP was increased by 39.80% and 56.40% due to the
growth of P.O on cot'on stalks and rice straw, respectively, whereas CF was
decreased by .42.55% end 53.54% for cotton stalks and rice straw, respectively.
The in vitro dry matter (OM) digestibility of treated rice straw and cotton stalks
was significantly increased (P < 0.05) by 30 and 23.2% respectively, while in vitro OM
digestibility was increased (P < 0.05) by 37.7 and 36.4%, respectively.
Compared with untreated materials, most of nutrient digestibility coefficients of
rations contained treated materials were significantly higher (P < 0.05) than those
contained untreated ones. Likewise, the feeding value as TON and OCP% was
improved as a result of biological treatment. It could be concluded that biological
treatment could be used successfully to enrich poor quality roughages and improved
digestibility coefficients and feeding values of treated materials and helpful to
eliminate environmental pollution.
Journal of Animal and Poultry Production
Volume 30, Issue 12
December 2005
Pages 7355-7364

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