Abstract: The apparent calcium (Ca) digestibility coefficient (ADC) and true digestibility coefficient (TDC) of different inorganic calcium sources were determined in laying hens of different ages. Three Ca digestibility tests were carried out, each assessing 240 Lohmann Brown lineage laying hens...

A correta moagem permite obter bons índices de homogeneidade na mistura dos ingredientes. E, na continuidade das operações realizadas nas fábricas de rações após a mistura, uma perfeita peletização é um importante fator de melhoria de desempenho na avicultura de corte

Abstract Background: Copy number variations (CNVs) are a major type of structural genomic variants that underlie genetic architecture and phenotypic variation of complex traits, not only in humans, but also in livestock animals. We identified CNVs along the chicken genome and analyzed t...

We studied the on-farm variety of thermotolerant Campylobacter strains isolated from field samples received over a 12-mo period from four broiler-producing companies in southern Brazil. In total, 515 of 807 (63.8%) of analyzed samples were found to be Campylobacter-positive. Campylobacter jejuni&...

Resumo: A restrição ao uso de antimicrobianos como promotores de crescimento na produção de frangos de corte vem se mostrando como um grande desafio. O uso de moléculas alternativas, que apresentam propriedades antimicrobianas, visa substituir estes fármacos. Os óleos essenciais são molécula...

Abstract: This paper analyses how the technical and managerial support of buyers affects the performance and investment capacity of Brazilian pig farmers. The paper also analyses the influence of the farmers? investment capacity on their own performance and how that performance in turn&...