Chemical analysis of dairy cattle feed from Brazil

被引:0
|
作者
Luís Gustavo Cofani dos Santos
Elisabete A. De Nadai Fernandes
Márcio Arruda Bacchi
Gabriel Adrián Sarriés
Lucimara Blumer
Fernando Barbosa
机构
[1] Centro de Energia Nuclear na Agricultura,
[2] Universidade de São Paulo (CENA/USP),undefined
[3] Escola Superior de Agricultura Luiz de Queiroz,undefined
[4] Universidade de São Paulo (ESALQ/USP),undefined
[5] Faculdade de Ciências Farmacêuticas de Ribeirão Preto,undefined
[6] Universidade de São Paulo (FCFRP/USP),undefined
关键词
Chemical analysis; Dairy cattle feed; Brazil; INAA; ICP-MS;
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摘要
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.
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页码:497 / 500
页数:3
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