PERFORMANCE OF BROILERS FED DIFFERENT DIETARY CHOLINE SOURCES AND LEVELS

Authors

  • Giovani Farina Universidade Federal do Rio Grande do Sul
  • Alexandre de Mello Kessler Universidade Federal do Rio Grande do Sul
  • Patrícia Diniz Ebling Universidade Federal do Rio Grande do Sul
  • Fábio Ritter Marx Universidade Federal do Rio Grande do Sul
  • Ricardo César Technofeed Ltda
  • Andréa Machado Leal Ribeiro Universidade Federal do Rio Grande do Sul

DOI:

https://doi.org/10.1590/cab18037633

Keywords:

Poultry Science

Abstract

Two experiments were carried out to evaluate the bioequivalence of a commercial phosphatidylcholine source (Biocholine™) as an alternative to choline chloride and the choline requirements of broilers of a fast-growth strain. In Experiment I, 672 broilers were fed four Biocholine™ levels (0, 100, 200, or 300 mg/kg) and three choline levels (200, 400, or 600 mg/kg) supplied as choline chloride between 4 and 28 days (d) of age. In Experiment II, 462 broilers received diets supplemented with 0, 200, 400, 600 or 800 mg/kg choline as choline chloride. In both experiments, diets were based on white rice, soybean meal, and corn gluten. In Experiment I, birds fed choline chloride presented higher feed intake than those fed Biocholine™. Both choline supplements linearly improved feed conversion ratio (FCR) between 15 and 28 d, but the curves presented different slopes, showing that one unit (U) of Biocholine™ was equivalent to 2.52 U of choline supplied as choline chloride. In Experiment II, the supplementation of choline had a quadratic effect on weight gain (WG) but did not affect FCR. Choline requirements for WG were determined as 778, 632, and 645 mg/kg for 1-7, 1-35, and 1-42 d of age, respectively. 
Keywords: bioequivalence; broiler; fatty liver; nutritional requirements; perosis.

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Author Biographies

Giovani Farina, Universidade Federal do Rio Grande do Sul

Aluno de mestrado acadêmico do Programa de Pós-Graduação em Zootecnia - Produção Animal

Alexandre de Mello Kessler, Universidade Federal do Rio Grande do Sul

Professor do Programa de Pós-Graduação em Zootecnia - Produção Animal

Patrícia Diniz Ebling, Universidade Federal do Rio Grande do Sul

Aluna de doutorado do Programa de Pós-Graduação em Zootecnia - Produção Animal

Fábio Ritter Marx, Universidade Federal do Rio Grande do Sul

Aluno de doutorado do Programa de Pós-Graduação em Zootecnia - Produção Animal

Ricardo César, Technofeed Ltda

Diretor comercial da Technofeed Ltda

Andréa Machado Leal Ribeiro, Universidade Federal do Rio Grande do Sul

Professora do Programa de Pós-Graduação em Zootecnia - Produção Animal

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Published

2017-06-23

How to Cite

FARINA, G.; DE MELLO KESSLER, A.; DINIZ EBLING, P.; RITTER MARX, F.; CÉSAR, R.; MACHADO LEAL RIBEIRO, A. PERFORMANCE OF BROILERS FED DIFFERENT DIETARY CHOLINE SOURCES AND LEVELS. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 18, 2017. DOI: 10.1590/cab18037633. Disponível em: https://revistas.ufg.br/vet/article/view/e-37633. Acesso em: 17 jul. 2024.

Issue

Vol. 18 (2017): Continuous publication

Section

ZOOTECNIA

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