2014
DOI: 10.1590/s0100-69162014000300001
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Broiler breeder hen performance and egg hatchability during rainy season in Brazilian semi-arid region

Abstract: Henhouse thermal comfort and bird age influence broiler breeder hen productivity; this way, the present research aimed to assess thermal comfort indexes and broiler breeder hen performance during winter in North East semi-arid region from Brazil, using a Cobb Avian 48 broiler strain at the age of 38 and 50 weeks. We measured the following bioclimatic indexes: air temperature and relative humidity, black globe temperature and humidity, CO 2 concentration and sound pressure levels at henhouse facility. Data anal… Show more

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