Determination of the lysine level on initial-I growing phase, through chemical composition and tissues deposition, in swines

Authors

  • Messias Alves da Trindade Neto Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Nutrição e Alimentação Animal, Nova Odessa, SP
  • Hacy Pinto Barbosa Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Nutrição e Alimentação Animal, Nova Odessa, SP
  • Rodolfo Nascimento Kronka Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP
  • Izabel Marin Petelincar de Sordi Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Nutrição e Alimentação Animal, Nova Odessa, SP
  • Eliana Aparecida Schammass Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Métodos Quantitativos, Nova Odessa, SP

Keywords:

ash, lipid, protein, water, weaned piglets

Abstract

Twenty commercial hybrids piglets, barrows and females were sampled to carry out a performance experiment and to determine the better lysine level based on chemical composition of the body fractions and deposition rates. The lysine levels were 0.85, 0.95, 1.05, 1.15 and 1.25%. It was not observed significant effects on the chemical composition of viscera and blood, characterising the independence of the lysine levels on the characteristics. There was positive response with increasing lysine levels upon carcass protein, characterising better efficiency in the utilisation and destination of the aminoacid for protein synthesis of skeletal muscles. It was not observed interference of dietary lysine levels in the daily rates of protein and lipid deposition of the carcass; and on the body chemical composition. With the increasing of lysine levels it was observed a linear reduction in the lipid daily deposition on the empty body. The body lipid reduction, as a response to the increase of dietary lysine levels indicated the efficiency of the aminoacid utilisation. From the results of body composition and deposition, it was concluded that the lysine levels may not be less than 1.25% for piglets from 6.0 to 11.6 kg, suggesting new studies with lysine levels above 1.25%.

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Published

2013-12-02

Issue

Section

ANIMAL NUTRITION

How to Cite

Determination of the lysine level on initial-I growing phase, through chemical composition and tissues deposition, in swines. (2013). Bulletin of Animal Husbandry, 58(1), 47-58. http://bia.iz.sp.gov.br/index.php/bia/article/view/1388

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