Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/42239
Título: Digestible and metabolizable energy of crude glycerin for finishing pigs
Título(s) alternativo(s): Energia digestível e metabolizável de glicerina bruta para suínos em terminação
Palavras-chave: Biodiesel
By-product
Iard
Swine
Biodiesel
Coproduto
Banha suína
Suíno
Data do documento: Mar-2015
Editor: EDUEM (Editora da Universidade Estadual de Maringá)
Citação: SILVEIRA, H. et al. Digestible and metabolizable energy of crude glycerin for finishing pigs. Acta Scientiarum. Animal Sciences, Maringá, v. 37, n. 1, p. 41-45, Jan./Mar. 2015. DOI: 10.4025/actascianimsci.v37i1.24601.
Resumo: The aim of this study was to determine the values of apparent digestible energy (DE) and metabolizable energy (ME) for crude glycerin derived of biodiesel based on pork fat for finishing pigs. The diets consisted of a basal diet and four levels of crude glycerin (0, 5, 10 and 15%). Twelve pigs were housed individually in metabolic cages and after seven days of adaptation, total collections of urine and feces for four consecutive days were performed. Gross energy (GE) of crude glycerin, diets, urine and fecal samples from each animal was determined. The crude glycerin used in this experiment presented 74.74% glycerin and 6,500 kcal kg-1 gross energy. The values of digestible energy (DE) and metabolizable energy (ME) were estimated by difference in the DE, and content of the basal diet was subtracted from the test diets containing the ingredient. The amount of GE, DE and ME for finishing pigs was 6,500, 5,839 and 5,509 kcal kg-1, respectively, with a coefficient of 91.0% of DE and 94.0% of ME. The energy of crude glycerin is based on the levels of fatty acids and GE depends on the concentration of fatty acids and glycerin, ME being a percentage of GE averaging is 84.75%.
URI: http://repositorio.ufla.br/jspui/handle/1/42239
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