Intermittent lighting programs for layers with different photophases in the beginning of the laying phase

Ciência Rural

Yuri, Flavio Manabu¹  Schneider, Aline Felix¹  Souza, Cleverson de¹  Gewehr, Clóvis Eliseu¹ 

[1] Universidade do Estado de Santa Catarina (UDESC), Lages, Brazil

关键词:  scotoperiod;    photophase;    photoperiod;    hensRESUMO: Avaliou-se o efeito de programas de iluminação contínuo e intermitentes com diferentes fotofases sobre o desempenho produtivo e a qualidade de ovos de poedeiras aplicados ao início da fase de postura;   

DOI  :  10.1590/0103-8478cr20160246

学科分类：农业科学（综合）

来源: Universidade Federal de Santa Maria * Centro de Ciencias Rurais

【 摘 要 】

:It was possible to evaluate the effect of continuous and intermittent lighting programs with different photophases on the performance and eggs quality of laying hens, applied to the beginning of the laying phase. The authors used 420 Hy-line Brown laying hens with 21 weeks of age, bred on bedding and submitted for six periods of 28 days between the solstice of summer and winter. The three lighting programs were: (PIC) 16 hours of continuos light, intermittent program with initial and final photophases of 15 minutes (PII15) and an intermittent program with initial and final photophases of 30 minutes (PII30). A completely randomized design with ten repetitions of 14 birds was used. The mean values were subjected analysis of variance and analyzed by the Tu

【 授权许可】

Unknown