13
views
0
recommends
+1 Recommend
1 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Granos secos de destilería con solubles y enzimas en dietas para pollos de engorda Translated title: Dried Distillers Grains with Solubles and Enzymes in diets for broiler chickens

      research-article

      Read this article at

      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          RESUMEN: El objetivo del trabajo fue evaluar variables productivas en pollos en crecimiento y finalización alimentados con diferentes concentraciones de granos secos de destilería con solubles (GSDS) y enzimas en dietas con contenido adecuado o baja energía metabolizable (EM), calcio y fósforo para pollos de engorda. En los tres experimentos realizados, los pollos se alojaron en jaulas individuales; en el experimento 1 y 2, 96 y 80 pollos en crecimiento y finalización se asignaron a dietas de sorgo o maíz-pasta de soya en concentraciones de 0, 5, 10 y 15 % de GSDS; en el experimento 3, 150 pollos se asignaron a dietas con contenido adecuado o bajo en EM, calcio y fósforo y 10 % de GSDS adicionadas con fitasa, glucanasa y xilanasa. Los datos se analizaron por ANOVA, regresión lineal y contrastes ortogonales. En los experimentos 1 y 2, con análisis de primera derivada, se encontró que para una adecuada productividad en pollos en crecimiento (p < 0.05) y finalización (p < 0.01) el nivel óptimo de GSDS fue de 8.5 y 13 %; y para optimizar el peso de la pechuga el nivel máximo fue 4.44 %. En el experimento 3, la adición de enzimas compensó la reducción de EM, calcio y fósforo en dietas con 10 % de GSDS. Se puede incluir entre 8.5 y 13 % de GSDS en dietas para pollos en crecimiento y finalización, la adición de enzimas mejora el uso de la EM en dietas con GSDS.

          Translated abstract

          ABSTRACT: The aim of this study was to evaluate productive variables in growing and finishing chickens fed with different concentrations of dried distillers grains with solubles (DDGS) and enzymes in diets with adequate or low metabolizable energy (ME), calcium and phosphorus content for broilers. In the three experiments conducted, the chickens were housed in individual cages; in experiments 1 and 2, 96 and 80 growing and finishing chickens were assigned to diets of sorghum or corn-soybean paste at concentrations of 0, 5, 10 and 15 % DDGS; in experiment 3, 150 chickens were placed on diets with adequate or low ME, calcium and phosphorus content and 10 % DDGS supplemented with phytase, glucanase and xylanase. Data were analyzed by ANOVA, linear regression and orthogonal contrasts. In experiments 1 and 2, with first derivative analysis, it was found that for optimal productivity in growing (P < 0.05) and finishing (P < 0.01) chickens the optimal DDGS level was 8.5 and 13 %, and to optimize the breast weight the maximum level was 4.44 %. In experiment 3, the addition of enzymes compensated for the reduction of ME, calcium and phosphorus in diets with 10 % DDGS. Between 8.5 and 13 % DDGS can be included in diets for growing and finishing chickens, and the addition of enzymes improves the use of ME in diets with DDGS.

          Related collections

          Most cited references28

          • Record: found
          • Abstract: found
          • Article: not found
          Is Open Access

          Fiber and nonstarch polysaccharide content and variation in common crops used in broiler diets.

          The current paper reviews content and variation in fiber and nonstarch polysaccharides (NSP) of common crops used in broiler diets. The cereal grain is a complex structure, and its cell walls (CW) differ in their composition and hence properties. Arabinoxylan (AX), mixed linkage (1→3; 1→4)-β-glucan (β-glucan), cellulose, and the noncarbohydrate component lignin are the predominant polymers in cereals. They occur in different proportions depending on the species and tissue type. Rye, triticale, wheat, corn, and sorghum are all rich in AX, whereas barley and oats contain a high level of β-glucan. The AX from rye, wheat, and triticale and β-glucan from barley and oats are to a large extent soluble, whereas the solubility of AX found in corn and sorghum is lower than the other cereals. The ratio of arabinose to xylose gives a crude indication of the AX structure, which varies between the endosperm, the aleurone and the outer grain layers as well as between the same tissues from different grains. Varietal differences in AX structure of the endosperm are also identified. From the analysis of the released oligomers after hydrolysis with a specific (1→3,1→4)-β-d-glucan hydrolase, it is found that the ratio of trisaccharides (degree of polymerization 3) and tetrasaccharides (degree of polymerization 4) varies depending on the source, being higher in barley than in oats but lower than in wheat. The molecular weight of β-glucan is higher than that of AX, and both polymers contribute to the viscosity of the extract. However, because AX molecules are more resistant to degradation than β-glucan, the use of AX rich grains in broiler diets is usually more problematic than those containing high concentrations of β-glucan. The cereal coproducts (brans and hulls) are concentrated sources of cellulose, lignin, and insoluble AX, but β-glucan can also be present mainly in rye and wheat brans. The CW composition of seeds and grains of protein crops and feedstuffs are different from that of cereals. The main CW polymers are pectic substances (homogalacturonan, rhamnogalacturonan type I and II, xylogalacturonan, and arabinogalactans type I and II), xyloglucans, and cellulose, but there are significant differences in the composition of the parenchymatous (cotyledon) tissues and that of the hulls. In the hulls, cellulose is the predominant polysaccharide, followed by acidic xylans and pectic substances. The implications of the heterogeneous CW for the action of exogenous enzymes are discussed.
            Bookmark
            • Record: found
            • Abstract: found
            • Article: not found

            Interactions between xylanase and glucanase in maize-soy-based diets for broilers.

            1. The effect of various doses of xylanase and glucanase on the performance and ileal nutrient digestibility of broiler chickens fed on maize/soy-based diets was evaluated. 2. A total of 960 male broilers were used in separate growth and digestibility trials with each involving 10 treatments and 6 replicates. The 10 treatments included a positive control reference diet, a negative control diet with a lower energy density and 8 further diets where xylanase and glucanase were added to the negative control, individually and in combination. 3. Birds which received the negative control diet returned poorer (6 points; P < 0.05) feed conversion ratios compared with those fed on the positive control, confirming the lower energy density of the negative control diet. Ileal digestibility of energy determined at 21 and 42 d was also significantly lower for the negative control compared with the positive control. At d 21 birds that received the negative control diet returned lower ileal amino acid digestibility (for most amino acids) compared with their counterparts fed on the positive control whereas at d 42 this effect was not apparent. 4. Supplementation of the negative control with both glucanase and xylanase improved feed conversion ratio (FCR) and ileal nutrient digestibility. When both enzymes were added simultaneously a sub-additive effect (i.e. simultaneous use resulted in benefits greater than either enzyme independently but less than the sum of the individual effects) was observed, with the best performance achieved with the combination of xylanase (16 000 BXU/kg) and glucanase (30 000 BU/kg). 5. It can be concluded that the removal of oil to accommodate the anticipated energy digestibility improvement with enzymes can have deleterious effects on FCR and ileal amino acid digestibility in young broilers which enzymes may not adequately mitigate. Thus, in order to maximise the response to non-starch polysaccharide degrading enzymes in maize/soy-based broiler diets, it may be beneficial to consider a combination of xylanase and glucanase and to apply moderation when removing added fat in the starter diets.
              Bookmark
              • Record: found
              • Abstract: found
              • Article: not found
              Is Open Access

              Evaluation of distillers dried grains with solubles as a feed ingredient for broilers.

              Two experiments were conducted to evaluate the use of distillers dried grains with solubles (DDGS) from modern ethanol plants in broiler diets. Experiment 1 was a 2 x 2 factorial experiment with diets containing 2 levels of DDGS (0 and 15%) and 2 diet densities (high and low). The high- and low-density diets were formulated to contain 22% CP and 3,050 kcal MEn/kg and 20% CP and 3,000 kcal MEn/kg, respectively. Eight pens of 6 chicks were fed an experimental diet from 0 to 18 d of age. Weight gain and feed efficiency (gain:feed ratio) of the chicks receiving the high-density diets were (P < 0.05) better than those of chicks fed the low-density diets. However, within the 2 density levels there was no difference in performance of chicks fed diets with 0 or 15% DDGS. In experiment 2, 6 replications of 50 chicks were fed 1 of 4 dietary treatments for 42 d. The diets were formulated to be isocaloric and isonitrogenous and contained 0, 6, 12, or 18% DDGS. There was no significant difference in performance or carcass yield throughout the 42 d experiment except for a depression in BW gain and feed conversion when chicks were fed diets with 18% DDGS in the starter period. These studies indicate that DDGS from modern ethanol plants is an acceptable feed ingredient for broiler diets and can be safely used at 6% in the starter period and 12 to 15% in the grower and finisher periods.
                Bookmark

                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                era
                Ecosistemas y recursos agropecuarios
                Ecosistemas y recur. agropecuarios
                Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado (Villahermosa, Tabasco, Mexico )
                2007-9028
                2007-901X
                August 2017
                : 4
                : 11
                : 359-369
                Affiliations
                [1] Ajuchitlán orgnameInstituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias orgdiv1Centro Nacional de Investigación Disciplinaria en Fisiología y Mejoramiento Animal Mexico
                [2] Ajuchitlán orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Estudios Superiores Cuautitlán Mexico
                Article
                S2007-90282017000200359
                10.19136/era.a4n11.1078
                aa9bd01a-092f-4e04-919e-3bb448f00a44

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 24 April 2016
                : 23 November 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 11
                Product

                SciELO Mexico


                productivity,xilanasa,productividad,glucanasa,fitasa,EM,xilanase,glucanase,phytase,ME

                Comments

                Comment on this article