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Chemical analysis of dairy cattle feed from Brazil

  • Luís Gustavo Cofani dos SantosEmail author
  • Elisabete A. De Nadai Fernandes
  • Márcio Arruda Bacchi
  • Gabriel Adrián Sarriés
  • Lucimara Blumer
  • Fernando BarbosaJr
Article

Abstract

The bovine dairy cattle demand diets of high nutritional value being essential to know chemical composition of feed supplied to cows to achieve high levels of quality, safety and productivity of milk. Different roughages and concentrates from Minas Gerais and Rio Grande do Sul states, Brazil, were analyzed by instrumental neutron activation analysis (INAA) and inductively coupled plasma mass spectrometry (ICP-MS). Concentrate and roughage samples were differentiated by mass fractions of As, Ba, Mg, P, Rb and Sr. Samples of concentrate from both origins were differentiated by mass fractions of As, Cd, Co, Cr, Cs, Ni and Rb.

Keywords

Chemical analysis Dairy cattle feed Brazil INAA ICP-MS 

Notes

Acknowledgements

The authors are thankful to the State of São Paulo Research Foundation (FAPESP) for the financial support, to IPEN/CNEN for providing the irradiation facility and to people who participated in the sampling and analyses, particularly the chemist Mrs. Iolanda A. Rufini, responsible for sample digestion for ICP-MS.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2009

Authors and Affiliations

  • Luís Gustavo Cofani dos Santos
    • 1
    Email author
  • Elisabete A. De Nadai Fernandes
    • 1
  • Márcio Arruda Bacchi
    • 1
  • Gabriel Adrián Sarriés
    • 2
  • Lucimara Blumer
    • 1
  • Fernando BarbosaJr
    • 3
  1. 1.Centro de Energia Nuclear na Agricultura, Universidade de São Paulo (CENA/USP)PiracicabaBrazil
  2. 2.Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo (ESALQ/USP)PiracicabaBrazil
  3. 3.Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (FCFRP/USP)Ribeirão PretoBrazil

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