Desempenho de poedeiras comerciais submetidas ou não a diferentes métodos de debicagem

Resumo

One experiment was conducted using 288 Isa Babcock laying hens, to study the effects of beak trimming (not trimming, light and severe). The hens were distributed in an at random experimental design, in factorial arrangement 3x3 ( first x second beak trimming ). The first one was done at nine days of age and the second at twelve weeks of age. Feed intake, body weight, egg production and feed conversion in four periods of twenty eight days each was evaluated. According to the results, the birds at severe beak trimming showed less feed intake and worst egg production (P<0.05).

Descrição

Palavras-chave

Debicagem, Desempenho, Poedeiras, Beak trimming, Performance, Layer hens

Citação

ARAÚJO, Lúcio Francelino; CAFÉ, Marcos Barcellos; LEANDRO, Nadja Susana Mogyca; JUNQUEIRA, Otto Mack; ARAÚJO, Cristiane Soares da Silva; CUNHA, Maria Inês Rodrigues da; SILVA, Cláudia Cassimira da. Desempenho de poedeiras comerciais submetidas ou não a diferentes métodos de debicagem. Ciência Rural, Santa Maria, v. 35, n. 1, p. 169-173, jan./fev. 2005.