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Acta Veterinaria Brasilica
Article . 2016 . Peer-reviewed
Data sources: Crossref
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Acta Veterinaria Brasilica
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License: CC BY
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Performance and eggs quality of light-weight laying hens submitted to differentmethods of the beak trimming

DESEMPENHO PRODUTIVO E QUALIDADE DE OVOS DE POEDEIRAS LEVES SUBMETIDAS A DIFERENTES NÍVEIS DE DEBICAGEM
Authors: Silvana Cavalcante Bastos-Leite; Joanatha Vidal Gomes; Marcio Gleice Mateus Alves; Claudia de Castro Goulart; Josefa Deis Brito Silva; Fabrízia Melo de Medeiros;

Performance and eggs quality of light-weight laying hens submitted to differentmethods of the beak trimming

Abstract

Objetivou-se avaliar a influência dos diferentes níveis de debicagem, sobre o desempenho e qualidade dos ovos de poedeiras comerciais leves. Foram utilizadas 216 aves em um delineamento inteiramente casualizado, distribuídas em quatro tratamentos, com seis repetições. Os tratamentos utilizados foram: aves não debicadas, aves debicadas a 7 mm, aves debicadas a 6 mm e aves debicadas a 5 mm, sendo essa distância tomada da narina ao bico. As variáveis avaliadas foram: mortalidade, consumo de ração (g), produção de ovos (%), peso dos ovos (g), mortalidade (%), massa de ovos (g), conversão por massa de ovos (kg/kg), conversão por dúzia de ovos (kg/dúzia), percentual de albúmen (%), de gema (%), de casca (%), ovos quebrados (%) e trincados (%). O consumo e a mortalidade foram significativamente maiores nas aves não debicadas. A conversão por massa e por dúzia de ovos foram piores nas aves não debicadas (P < 0,05). As variáveis de qualidade de ovos não foram influenciadas pelos tratamentos. As debicagens a 5, 6 ou 7 mm de distância da narina ao bico podem ser utilizadas em poedeiras leves sem causar prejuízos sobre o desempenho produtivo ou a qualidade dos ovos.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold