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Animal Reproduction and Physiology
Asian-Australasian Journal of Animal Sciences 1998;11(4): 450-454.
DOI: https://doi.org/10.5713/ajas.1998.450    Published online August 1, 1998.
Influence of depth of rice hust litter on broiler performance, litter dampness and its coccidial oocyst population during winter
M. M. R. Mizu, S. D. Chowdhury, M. J. Karim, S. C. Debnath
Four groups each containing 48 seven-day-old broiler chicks were reared for 7 weeks during winter on rice husk litter spread to depths of 20, 30, 40 or 50 mm. Broiler performance was evaluated in terms of weight gain, feed consumption, feed efficiency and production number. Litter dampness was determined and coccidial oocyst populations were counted at different weeks of age. The depth of litter did not significantly affect live weight gain, feed consumption, feed conversion ratio, liveability or production number. Variation in moisture contents of litter was observed but the coccidial oocysts count per gramme of litter was within the safety level and therefore, there was no outbreak of coccidiosis in any group. Use of rice husk litter at different depths (20 to 50 mm) did not cause any breast blisters or leg abnormalities. It was concluded that rice husk can be used as litter at depths of between 20 and 50 mm during winter to raise broilers without affecting performance characteristics and health of birds.
Keywords: Litter; Rice Husk; Depth; Broiler Performance; Oocysts; Litter Dampness

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