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Fecal collection methods for the determination of protein digestibility in bullfrogs Ciência Rural
Stéfani,Marta Verardino De; Pereira,Marcelo Maia; Reche,Marcio Roberto; Mansano,Cleber Fernando Menegasso.
Adequate methods for the determination of protein digestibility in bullfrogs are important for the understanding of nutrient utilization. Therefore, this study evaluated two methods of feces collection: intestinal dissection and fecal decantation, using cylindric-conical tanks. Frogs were fed with a commercial diet (45% crude protein) which was ground and supplemented with 0.5% chromium oxide III. The frogs were fasted 48h before force-feeding (5% of the animal's live weight). For the decantation method, the animals were sacrificed 36 h after force-feeding and feces were collected directly from the large intestine. For the sedimentation method, feces were collected when they appeared in the tubes attached to the front end of the cylindric tanks. No...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Protein digestibility coefficient; Methodology; Nutrition; Frog farming.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000801492
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