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OALib Journal期刊
ISSN: 2333-9721
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DOI: 10.4321/S0004-05922012000300013

Keywords: egg quality, egg production, housing for laying hen.

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Abstract:

the effects of the use of led technology in lighting's program of japanese quail was evaluated, using 176 birds with 35 days of age, in a completely randomized design with four treatments (15w incandescent lamps, leds: blue, orange and white) and 2 replicates of 22 birds each. since the first week of housing we established the lighting program, starting with 13 hours of light, with increases of 30 minutes per week until it reached 17 hours of light. eggs and leftover food from each plot were weighed weekly to determine the average egg weight and feed consumption, expressed as daily basis. evaluations were performed by ethogram for 4 escotophases to assess the frequency of access to the feeders by treatment in activation of lighting technologies. there were no significant differences (p>0.05) between treatments for egg production. to the parameters of egg weight, feed intake, shell weight and shell thickness were not observed significant differences (p>0.05) between treatments. the unit haugh and specific gravity also not showed statistical differences (p>0.05) between treatments.

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