The aim of this study was to evaluate the effect of the inclusion level of crude glycerin from palm oil in the diet of growing pigs. Diets were formulated to be isocaloric and isoproteic, with a constant content of linoleic acid within the experimental diets. A total of 36 pigs (average BW 23.05± 2.86 kg) were randomly assigned to one of the three treatments: 1) 0% of crude glycerin; 2) 5% of crude glycerin; 3) 10% of crude glycerin. Pigs were housed in 12 pens; 4 replicates (pens) per treatment and three pigs/replicate. Data were analyzed as a complete block design using the GLIMMIX procedure of SAS, with a random block effect for period. This study established that inclusion of crude glycerin from palm oil in the diet of growing pigs did not affect (P > 0.05) growth performance, carcass characteristics and meat quality. We concluded that inclusion of crude glycerin from palm oil up to 10% of the diet did not adversely affect pig performance and the quality of the meat. Keywords: biodiesel; by-products; palm oil; swine.Resumo O objetivo deste estudo foi avaliar o efeito da inclusão de níveis de glicerina bruta do óleo de palma na dieta de suínos em crescimento. As dietas foram formuladas para serem isoenergéticas e 2 Cienc. anim. bras., Goiânia, v.18, 1-12, e-40769, 2017Growth performance, carcass characteristics, meat quality of growing pigs fed diets supplemented... isoproteicas, o teor de ácido linoléico permaneceu constante na dieta. No total, 36 suinos (com média BW de 23,05 ± 2,86 kg) foram distribuídos aleatoriamente em três tratamentos: 1) 0% de glicerina bruta; 2) 5% de glicerina bruta; 3) 10% de glicerina bruta. Os leitões foram alojados em 12 baias com quatro repetições (baias) por tratamento, três suínos/repetição. Os dados foram analisados como um delineamento em blocos casualizados utilizando-se o procedimento GLIMMIX do SAS, com um efeito aleatório de bloco por período. Notou-se que a inclusão de glicerina bruta do óleo de palma não afetou (P> 0,05) o desempenho produtivo, as características da carcaça e qualidade da carne. Concluiu-se que a inclusão de glicerina bruta do óleo de palma até 10% não afetou o desempenho dos suínos e a qualidade da carne. Palavras-chave: biodiesel; óleo de palma; subprodutos; suínos.
Rev Med Vet Zoot. 64(2), mayo -agosto 2017: 52-69 ____________________________________________ Investigación 52Ordoñez-Gómez, et al. Valoración de energía digestible de la glicerina cruda proveniente de aceite de palma -Elaeis guineensis-para cerdos en crecimiento en función del nivel de almidón de maíz en la dieta RESUMENPara determinar la energía digestible aparente (EDA) de la glicerina cruda (GC) proveniente del aceite de palma (Elaeis guineensis) en cerdos se realizaron dos experimentos (E). En E1 se determinó la EDA para GC con la técnica de la bolsa móvil de nailon (TBMN) utilizando ocho cerdos castrados con cánula duodenal. En E2 se determinaron la EDA y la energía metabolizable aparente (EMA) para GC, por el método convencional con indicador (MCI), con 10 cerdos castrados ubicados en jaulas metabólicas. En E1 y E2 se evaluaron, en un arreglo factorial 2 x 5, dos niveles de almidón de maíz (NA) en la dieta, 10% (NA10) y 12% (NA12), y cinco niveles de sustitución con GC (0%, 2,5%, 5,0%, 7,5% y 10%) en E1 en un diseño completo al azar y en E2 en un diseño de cuadrado latino. Para TBMN y MCI los datos se analizaron mediante regresión lineal múltiple y el metabolismo del nitrógeno en MCI como un diseño de cuadrado latino utilizando los módulos REG y GLM del paquete SAS. Por TBMN no hubo efectos (P > 0,05) del NA sobre la EDA de GC. La EDA de GC se calculó en 3.251 kcal/kg MS. La EDA de GC en MCI dependió de NA (P < 0,001) estimándose en 4.427,3 y 3.769,3 Kcal/kg MS para NA10 y NA12, respectivamente. Hubo interacción (P < 0,001) entre NA y GC para la cantidad de nitrógeno digestible, se redujo cuando GC aumentó en NA12 y aumentó en NA10. Otros parámetros del metabolismo nitrogenado no se vieron afectados (P > 0,05). Los resultados de EDA corregidos por NA con MCI mostraron correlación alta (R 2 = 0,82) con TBMN. Con MCI se pudo establecer que el aumento en NA en la dieta reduce la EDA de GC. Palabras clave: biodiesel, glicerina cruda, metabolismo energético, subproductos. VALUATION OF DIGESTIBLE ENERGY OF CRUDE GLYCERIN FROM PALM OIL -Elaeis guineensis-FOR GROWING PIGS BASED ON DIETARY CORN STARCH LEVEL ABSTRACTTo determine the apparent digestible energy (EDA) of crude glycerin (GC) from palm oil (Elaeis guineensis) in pigs two experiments (E) were performed. In E1, EDA was determined to GC, with the technique of mobile nylon bag (TBMN) using eight barrows with duodenal cannula. In E2, EDA, EMA to GC was determined by the conventional method with indicator (MCI) with 10 barrows placed in metabolic cages. In E1 and E2 were evaluated in 2 x 5 factorial arrangement, two levels of corn starch (NA) in the diet, 10 (NA10) and 12% (NA12), and five levels of replacement by GC (0%, 2.5%, 5%, 7.5% and 10%), in E1 as a completely randomized design and in E2 as a Latin square design. For MCI and TBMN, data were analyzed using multiple linear regression and nitrogen metabolism in MCI as a Latin square design using the GLM and REG modules of SAS. By TBMN there was no effect (P > 0.05) in the NA on the EDA of GC. EDA of G...
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