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Titanium dioxide (TiO2) as a marker to estimate fecal output in sheep Ciência Rural
Peres,Mylena Taborda Piquera; Batista,Rafael; Twardowski,Tehane de Souza; Ribeiro Filho,Henrique Mendonça Nunes; Monteiro,Alda Lúcia Gomes.
ABSTRACT: Titanium dioxide (TiO2) is an external marker used to estimate fecal output based on forage intake of grazing ruminants; however, its use as marker for grazing sheep still needs attention. In the present study the TiO2 role to estimate fecal output of sheep grazing annual ryegrass was tested. Two essays were conducted in sequence using the same forage and animals. Six lacaune lambs were housed in metabolic cages. Lambs were administered 1 g TiO2 in a single (at 8:30 am, essay 1), or in two daily doses (at 8:30 am and 4:30 pm, essay 2). In both essays the TiO2 administration was followed by a 7-day period to stabilize the fecal excretion of the marker and then by a 5-day period for total collection of feces. Observed and TiO2-based estimated fecal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: External marker; Fecal excretion; Forage intake.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001200651
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