Evaluation of live weight gain and economic viability in two termination systems for Suffolk lambs

Authors

  • Renata del Carratore Carneiro Universidade do Estado de Mato Grosso, Departamento de Agronomia, Alta Floresta, MT
  • Carlos Frederico de Carvalho Rodrigues Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Sudoeste Paulista, Unidade de Pesquisa e Desenvolvimento de Itapetininga, Itapetininga, SP
  • Maria Conceição Zocoller Seno Universidade Estadual Paulista, Faculdade de Engenharia de Ilha Solteira, Departamento de Zootecnia, Ilha Solteira, SP
  • Frederico Fontoura Leinz Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Sudoeste Paulista, Unidade de Pesquisa e Desenvolvimento de Itapetininga, Itapetininga, SP
  • Diorande Bianchini Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Sudoeste Paulista, Unidade de Pesquisa e Desenvolvimento de Itapetininga, Itapetininga, SP

Keywords:

economic evaluation, feedlot, live weight gain, rotational grazing

Abstract

An experiment was conducted at Unidade de Pesquisa e Desenvolvimento de Itapetininga/PRDTA Sudoeste Paulista/APTA-SAA, São Paulo State, Brazil, in order to compare the live weight gain of 39 Suffolk lambs and the economic viability in two termination systems: feed-lot and rotational grazing. The animals were weighted every 14 days, from 45 days of age up to reach the slaughter weight age. The slaughter age and the average daily weight gain was determined in each system. The economic evaluation was accomplished through profit indicators. The finished lambs in rotational grazing reached the slaughter weight with 118.7 days, significantly different from feed-lot lambs (184.2 days). The daily mean live weight gain was 214g and 105g, respectively to rotational grazing and confined. In the present experiment, the results of the economic evaluation indicate that rotational grazing showed off more lucrative than the feed-lot system.

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Published

2008-04-14

Issue

Section

QUANTITATIVE METHODS AND ECONOMY

How to Cite

Evaluation of live weight gain and economic viability in two termination systems for Suffolk lambs. (2008). Bulletin of Animal Husbandry, 65(4), 253-258. http://35.198.24.243/index.php/bia/article/view/1115

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