Enzyme complex addition in barley or rye broiler diets with two energy levels fed from 1 to 21 days

2021 ◽  
pp. 1-11
Author(s):  
Caio Henrique Pereira de Souza ◽  
Márcia Izumi Sakamoto ◽  
Paulo Cesar Pozza ◽  
Tatiana Carlesso dos Santos ◽  
Humberto Marques Lipori ◽  
...  
Keyword(s):  
Energy Levels ◽  
Blood Parameters ◽  
Nutrient Digestibility ◽  
Metabolizable Energy ◽  
Control Treatment ◽  
Enzyme Complex ◽  
Feed Conversion ◽  
Randomized Design ◽  
Apparent Metabolizable Energy ◽  
Completely Randomized Design

Two experiments were conducted to evaluate diet digestibility, performance, digestive parameters, and blood parameters when an enzyme complex (EC) was used in barley- and rye-based diets with different energy levels. In the digestibility assay (exp. I), 108 seventeen-day-old Cobb male broilers were distributed in a completely randomized design in 2 × 2 × 2 + 1 factorial arrangement with two feeds (barley or rye), two EC levels (0% and 0.02%), and two energy levels [3025 and 3125 kcal apparent metabolizable energy (AME)·kg−1], plus a control treatment. In exp. II, 1080 one-day-old Cobb male broilers were distributed in a completely randomized design in 2 × 2 × 2 + 1 factorial arrangement with two feeds (barley or rye), two EC levels (0% and 0.02%), and two energy levels (2875 and 2975 kcal AME·kg−1). No interactions were observed for any variables (exp. I and II). Enzyme complex improved the apparent metabolizable coefficient of gross energy (P = 0.0432) of diets. The EC provided greater weight gain (P = 0.0003) and better feed conversion (P = 0.0025). Intestinal viscosity at 21 d was reduced (P < 0.0001) with the addition of the EC. The EC improved nutrient digestibility and performance, but the effects of energy reduction on performance could not be overcome.

scholarly journals Use of different combinations of enzyme complexes in broiler diets

2021 ◽  
Vol 42 (5) ◽  
pp. 2903-2924
Author(s):  
Lindolfo Dorcino dos Santos Neto ◽  
◽  
Julyana Machado da Silva Martins ◽  
Genilson Bezerra de Carvalho ◽  
Roberto Moraes Jardim Filho ◽  
...  
Keyword(s):  
Basal Diet ◽  
Experimental Period ◽  
Nutrient Digestibility ◽  
Enzyme Complex ◽  
Ether Extract ◽  
Feed Conversion ◽  
Randomized Design ◽  
Final Weight ◽  
Completely Randomized Design ◽  
Enzyme Complexes

Two experiments were carried out to investigate the effect of “on top” addition of different enzyme complexes, the enzyme α-galactosidase and three sources of the enzyme phytase available on the market, in broiler diets. In the first experiment, 1260 one-day-old Cobb 500® chicks were distributed into seven treatments in a completely randomized design (CRD) with six replicates and 30 birds/replicate. Treatments consisted of combinations of different enzyme complexes, namely, complex A (phytase, protease, xylanase, ß-glucanase, cellulase, amylase, pectinase), complex B (protease and cellulase) and complex C (xylanase, amylase and protease); isolated α-galactosidase (GAL); and three sources of phytase (P1, P2 and P3) in the diet. The treatments were formulated as follows: T1 - basal diet (BD); T2 - BD + enzyme complex A + enzyme complex B (BDAB); T3 - BDAB + GAL; T4 - BD + complex A + GAL; T5 - BD + complex C + P1 + GAL (BDCG); T6 - BDCG + P2; and T7 - BDCG + P3. The following variables were measured in the experimental period of 42 days: feed intake (FI), weight gain (WG), average final weight (AFW), feed conversion (FC), and carcass yield. Significant differences occurred for AFW, WG and FC in the pre-starter phase. In the second experiment, 112 Cobb 500® chicks aged 25 days were distributed into seven treatments in a CRD with four replicates and four birds/replicate. Treatments were the same as in the first experiment. Nutrient digestibility was evaluated in an experimental period of seven days. Differences were found in the metabolism coefficient of ether extract (MCEE). Dietary inclusion of enzyme complexes improves the AFW and WG of chickens from 1 to 7 days of age and MCEE in the grower phase.

scholarly journals Purified glycerin in balanced diets for chicken broilers from 8 to 21 days old

2019 ◽  
Vol 35 (5) ◽  
Author(s):  
Mônica Calixto da Silva ◽  
Roberta Gomes Marçal Vieira Vaz ◽  
Kênia Ferreira Rodrigues ◽  
Luciano Fernanades Sousa ◽  
José Henrique Stringhini ◽  
...  
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Control Diet ◽  
Metabolizable Energy ◽  
Feed Conversion ◽  
Gross Margin ◽  
Randomized Design ◽  
Final Weight ◽  
Apparent Metabolizable Energy ◽  
Completely Randomized Design

This paper aimed to evaluate the metabolizability, performance and economic viability of purified glycerin inclusion in balanced diets fed to chicken broilers from 8 to 21 days old. Two experiments were conducted. In the first experiment, 100 broilers (14 days old) were distributed in a completely randomized design into two treatments, with five replications of 10 broilers. Treatments consisted of a control diet and a test diet, in which purified glycerin replaced 10% of the control diet. In the second experiment, 200 broilers (8 days old) were distributed in a completely randomized design into four treatments (0, 2, 4 and 6% of purified glycerin inclusion), with five replications of 10 broilers. The weight gain, feed intake, feed conversion, final weight, apparent metabolizable energy (AME), nitrogen-corrected apparent metabolizable energy (AMEn), metabolizability coefficients of dry matter (DMMC), crude protein (CPMC) and gross energy (GEMC), and the cost of feed per kg of broiler produced were evaluated. The AME, AMEn, DMMC, CPMC and GEMC from the purified glycerin were 3790 and 3560 kcal/kg, and 83.72, 71.52 and 86.27%, respectively. The glycerin levels did not affect (p>0.05) any of the performance characteristics (weight gain, feed intake, feed conversion and final weight). The lowest feeding cost and the highest gross margin were obtained for broilers fed with 6% purified glycerin. The inclusion of 6% purified glycerin in balanced diets for broilers from 8 to 21 days old was technically and economically feasible.

scholarly journals Nutritional evaluation of corn grown using different organic fertilizers for slow-growing broilers

2019 ◽  
Vol 40 (2) ◽  
pp. 895
Author(s):  
Carla Fonseca Alves Campos ◽  
Jefferson Costa de Siqueira ◽  
Kênia Ferreira Rodrigues ◽  
Roberta Gomes Marçal Vieira Vaz ◽  
Susana Queiroz Santos Mello ◽  
...  
Keyword(s):  
Control Diet ◽  
Metabolizable Energy ◽  
Organic Fertilizers ◽  
Experimental Unit ◽  
Feed Conversion ◽  
Randomized Design ◽  
Final Weight ◽  
Apparent Metabolizable Energy ◽  
Completely Randomized Design ◽  
Slow Growing

The aim of this study was to evaluate the chemical composition, energy values and nutrient metabolizability coefficients of corn grown using different organic fertilizers and its use for feeding slow-growing broilers. Two experiments were conducted. In the first experiment, two hundred 21-day-old broilers were distributed in a completely randomized design, with five treatments and four replicates of 10 birds per experimental unit. The treatments were a control diet and four test diets (corn fertilized with crotalaria, corn fertilized with millet, corn fertilized with humus, and corn without fertilization), including corn at 30% in the control diet. The apparent metabolizable energy, apparent metabolizable energy corrected for nitrogen balance, and apparent metabolizability coefficients of dry matter, crude protein and gross energy were determined. In the performance trial, two hundred and fifty 1-day-old chicks were distributed in a completely randomized design into five treatments (T1 – control diet with commercial corn, T2 – corn without fertilization, T3 – corn fertilized with humus, T4 – corn fertilized with millet and T5 – corn fertilized with crotalaria) and five replicates of 10 birds per experimental unit. Weight gain, feed intake, feed conversion and final weight at 20 days were evaluated. The AME and AMEn values of corn fertilized with crotalaria, millet, humus and corn without fertilization were 3246 and 3239 kcal kg?1; 2965 and 2954 kcal kg?1; 2909 and 2877 kcal kg?1; and 3265 and 3201 kcal kg?1, respectively. The apparent metabolizable coefficients of DM, CP and GE were: 89.75%, 66.88% and 88.5% for corn fertilized with crotalaria; 84.38%, 58.73% and 81.4% for corn fertilized with millet; 80.38%, 53.45% and 78.95% for corn fertilized with humus; and 89.48%, 68.95% and 87.85% for corn without fertilization, respectively. Feeding broilers with corn cultivated with different fertilizers affected (P < 0.05) weight gain, feed intake, feed conversion and final weight. The treatments using corn fertilized with crotalaria, millet, humus and commercial corn did not differ, with better results in relation to corn crop cultivated without fertilization. The use of crotalaria and millet as a green manure, and humus derived from dairy manure are alternatives that can be used on corn crop as they resulted in grains with adequate nutritional composition, energy values and metabolizable coefficients for slow-growing broilers from 1 to 20 days of age.

scholarly journals Metabolizable Energy Levels for Free-Range Broiler Chickens

2020 ◽  
Vol 8 (3) ◽  
pp. 820
Author(s):  
Luanna Lopes Paiva Copat ◽  
Karina Marcia Ribeiro de Souza Nascimento ◽  
Charles Kiefer ◽  
Patrícia Rodrigues Berno ◽  
Henrique Barbosa de Freitas ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Energy Levels ◽  
Protein Body ◽  
Abdominal Fat ◽  
Metabolizable Energy ◽  
Feed Conversion ◽  
Carcass Yield ◽  
Free Range ◽  
Randomized Design ◽  
Completely Randomized Design

The aim of this study was to evaluate the effect of dietary metabolizable energy levels on the performance and carcass yield of free-range broiler chickens from 1 to 84 days of age. A total of 900 male day-old naked neck lineage chicks were distributed in a completely randomized design between six levels of metabolizable energy (2,700; 2,800; 2,900; 3,000; 3,100 and 3,200 kcal.kg-1 diet) with six replications of 25 birds each. The increase in levels of dietary metabolizable energy resulted in a linear reduction of the feed intake, crude protein and digestible lysine intakes, as well as in the protein body deposition and protein efficiency and linear improvements in the feed conversion ratio of chickens in all experimental phases. The carcass yield, wing and abdominal fat weight and percentage of abdominal fat reduced linearly by increasing the level of dietary metabolizable energy. The diet including 2700 kcal.kg-1 of metabolizable energy in the diet of free-range broiler chickens in phases 1 to 28, 28 and 56 and 57 to 84 days of age does not interfere in the broilers performance and results in a better carcass yield in the final period of production.

scholarly journals Energetic values and performace of broilers feeding sorghum and soybean meal based diets supplemented with B-glucanase and B-xylanase

2016 ◽  
Vol 37 (2) ◽  
pp. 959
Author(s):  
Evandro De Abreu Fernandes ◽  
Maria Inês Homsi Brandeburgo ◽  
Carolina Magalhães Caires Carvalho ◽  
Fernanda Heloisa Litz ◽  
João Paulo Rodrigues Bueno ◽  
...  
Keyword(s):  
Gastrointestinal Tract ◽  
Enzymatic Activity ◽  
Soybean Meal ◽  
Metabolizable Energy ◽  
Feed Conversion ◽  
Significance Level ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Enzymatic Complex ◽  
Metabolic Test

Grains, brans, and vegetable meals may contain non-starch polysaccharides (NSP), which increases viscosity in the gastrointestinal tract (GIT) and interfere with the digestion and absorption of nutrients. This study aimed to evaluate the performance and determine the metabolizable energy of a sorghum-based broiler diet with and without the supplementation of an enzymatic complex. The experiments were conducted in a completely randomized design with 1200 chickens, using sorghum-based feed with and without the addition of 50 g of enzyme-CCE complex (?-glucanase and ?-xylanase), and with two levels of metabolizable energy (ME kg-1): ME; ME + CCE; reduced ME (-50 kcal kg-1); and reduced ME + CCE. The data were subjected to an analysis of variance and the means were compared using a Tukey’s test at the 5% significance level. At 42 and 47 days of age, the living weight of the birds fed with the reduced ME was low, while birds fed with reduced ME + CCE had the same weight as those fed with other energy diets (ME and ME + CCE). Feed conversion was poorest at 47 days of age for the birds on reduced ME diet. In the metabolic test (with fattening diets) to determine AME and AMEn, the reduced ME diet had the lowest result, confirming the effect of the addition of enzymes. The addition of CCE to sorghum-based diets provides enough enzymatic activity to increase the metabolizable energy of the diet (50 kcal of AME) and influence the growth performance of broilers at the slaughtering age.

scholarly journals Açaí meal on diet digestibility for commercial laying hens

2020 ◽  
Vol 42 ◽  
pp. e46926
Author(s):  
João Paulo Ferreira Rufino ◽  
Frank George Guimarães Cruz ◽  
Fábio Jacobs Dias ◽  
Ronner Joaquim Mendonça Brasil ◽  
Ana Rebeca Pires da Silva ◽  
...  
Keyword(s):  
Energy Use ◽  
Laying Hens ◽  
Polynomial Regression ◽  
Energy Content ◽  
Control Diet ◽  
Nutrient Digestibility ◽  
Metabolizable Energy ◽  
Mineral Matter ◽  
Randomized Design ◽  
Apparent Metabolizable Energy

This study aimed to evaluate açaí meal in diets for commercial laying hens on apparent nutrient digestibility and apparent metabolizable energy. A total of 72 Hissex White laying hens (52-wks-old) were distributed in a completely randomized design, where treatments consisted of a control diet and an experimental diet (25% açaí meal) with six replicates of six birds each. Data collected were subjected to polynomial regression at 5%. Differences (p < 0.05) were detected in digestibility of all evaluated nutrients. Hens fed diets with 25% açaí meal presented worse (p < 0.05) metabolization and use of energy content. It can be concluded that hens fed diets containing açaí meal presented better use of crude protein, non-fiber carbohydrates and mineral matter. However, there was worse use of dry matter, fiber carbohydrates and ether extract. This result directly affected the energy metabolism of the birds. The inclusion of açaí meal reduced the energy use.

scholarly journals Xylanase and β-glucanase in maize- and soybean meal-based diets for broilers

2020 ◽  
Vol 41 (6supl2) ◽  
pp. 3259-3274
Author(s):  
Thiago Ferreira Diana ◽  
◽  
Luiz Fernando Teixeira Albino ◽  
Horácio Santiago Rostagno ◽  
Bruno Figueiredo de Almeida ◽  
...  
Keyword(s):  
Soybean Meal ◽  
Production Efficiency ◽  
Efficiency Index ◽  
Positive Control ◽  
Negative Control ◽  
Metabolizable Energy ◽  
Experimental Unit ◽  
Feed Conversion ◽  
Randomized Design ◽  
Completely Randomized Design

The objective of this study was to evaluate the effect of adding different xylanase and ?-glucanase enzyme blends to maize- and soybean meal-based diets on performance and energy metabolizability in broilers. Two experiments were carried out with broilers of the COBB 500 strain. In the first experiment, 1960 chicks were assigned to a completely randomized design with a 2 × 3 + 1 factorial arrangement, totaling seven treatments, namely, T1- Positive control (PC); T2 - Negative control 1 (NC1; PC minus 200 kcal kg-1 ME); T3 - NC1 + Blend A; T4 - NC1 + Blend B; T5 - Negative control 2 (NC2; PC minus 167 kcal kg-1 ME and 5% amino acids); T6 - NC2 + Blend A; and T7 - NC2 + Blend B. Fourteen replicates were used per treatment and 20 birds per experimental unit. The parameters evaluated at 21 and 42 days of age were weight gain (WG), feed intake (FI) and feed conversion (FC). At 42 days, production efficiency index (PEI), viability and the yields of cuts were also calculated. Birds that received diets with a reduced nutritional value showed a reduction in WG and PEI and worsened FC as compared those of PC treatment (p < 0.05). However, the birds that consumed the NC2 diet with Blend B exhibited a similar WG to those in PC group (p > 0.05) from 1 to 21 days of life. For the yield of thigh + drumstick, the factors were statistically similar (p > 0.05) to those observed in the PC birds. In the second experiment, 432 fourteen-day-old chicks were distributed in a completely randomized design with seven treatments, with eight replicates per treatment and six birds per experimental unit. The apparent metabolizable energy (AME) and nitrogen-corrected AME (AMEn) values were determined. Overall, the NC2 diet with Blend B provided the highest AME and AMEn values; however, NC1 with the same enzyme blend was the treatment which provided the lowest values. The addition of xylanase and ?-glucanase enzyme blends to maize- and soybean meal-based diets improves WG at 21 days as well as PEI in broilers; however, it does not influence the yield of cuts. Enzymes (Blend B) improve the energy metabolization of broiler diets with reduced energy and amino acid levels.

scholarly journals Effect of Lactobacillus sp. probiotics on intestinal histology, Escherichia coli in excreta and broiler performance

2018 ◽  
Vol 43 (4) ◽  
pp. 445
Author(s):  
M.N. Hidayat ◽  
R. Malaka ◽  
L. Agustina ◽  
W. Pakiding
Keyword(s):  
Escherichia Coli ◽  
Weight Gain ◽  
Control Treatment ◽  
Feed Conversion ◽  
Intestinal Histology ◽  
Broiler Performance ◽  
Randomized Design ◽  
Final Weight ◽  
Completely Randomized Design ◽  
Performance Research

The study was conducted to determine the effect of Lactobacillus sp. in intestinal histology, total amount of Escherichia coli in broiler chicken excreta and broiler performance. Research has been conducted using a completely randomized design with 4 treatments and 5 replications utilize 15 chickens. Lactobacillus sp. 5.8 x 107 CFU/mL was mixed in drinking water and also feed commercial concentrates together ad libitum. The results showed that treatment had significant effect (P <0.05) on weight gain, ration conversion, and final weight. There was no difference (P>0.05) ration consumption on doses of Lactobacillus sp. treatment 0 mL/days, 1 ml/days, 3 ml/days, and 5 ml/days. In general, the probiotic treatments of 1, 3, and 5 mL/days of lactobacillus sp. were better at villus height, villus surface area, weight gain, final weight, and feed conversion compared to control. Treatment a dose of 3 mL / d (1.7 x 108 CFU) is the best dose in providing optimal response to histology of the small intestine, and broiler performance. Treatment 5 mL/days has the lowest amount of Escherichia coli in manure of broiler. In conclusion, Lactobacillus sp. can be used as one candidate probiotic for broiler.

scholarly journals Energy values and chemical composition of spirulina (Spirulina platensis) evaluated with broilers

2011 ◽  
Vol 40 (5) ◽  
pp. 992-996 ◽  
Author(s):  
Renata Ribeiro Alvarenga ◽  
Paulo Borges Rodrigues ◽  
Vinícius de Souza Cantarelli ◽  
Márcio Gilberto Zangeronimo ◽  
José Walter da Silva Júnior ◽  
...  
Keyword(s):  
Soybean Meal ◽  
Spirulina Platensis ◽  
Crude Protein ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Mineral Matter ◽  
Randomized Design ◽  
Apparent Metabolizable Energy ◽  
Gross Energy ◽  
Completely Randomized Design

The objective of this study was to determine the chemical and energy composition of spirulina (Spirulina platensis), the nutrient metabolizability coefficients, and the values of apparent metabolizable energy (AME) and the apparent metabolizable energy corrected for nitrogen balance (AMEn) in broilers. A digestibility trial was carried out by using total excreta collection method, with 90 Cobb 500 lineage chicks, with initial weight of 256 ± 5 g at 11 days of age. Birds were allotted in metabolic cages for 10 days, distributed in a completely randomized design, with three treatments and six repetitions with five birds each. Diets consisted on a reference-ration based on corn and soybean meal and two test diets, one containing spirulina (30%) and the other one with soybean meal (30%). Spiruline was superior to soybean meal for contents of dry matter (DM), gross energy (9.60%), crude protein (26.56%), ether extract (54.45%), mineral matter (42.77%), calcium (100%) and total phosphorus (130.77%) and also for most amino acids, except lysine, glutamate, histidine and proline. Nevertheless, spiruline presented lower values of gross fiber (83.95%), acid detergent fiber (85.12%) and neutral detergent fiber (6.15). The AME and AMEn values (kcal/kg of DM) were, respectively, 2,906 and 2,502 for the spirulina and 2,646 and 2,340 for the soybean meal and AMEn of spirulina was 6.92% higher than soybean meal.

scholarly journals Digestibility and performance responses of broiler chickens fed a pea based diet with different levels of dietary microbial phytase

2014 ◽  
Vol 1 (1) ◽  
Author(s):  
Lisa Anne Johnson ◽  
Aman Deep ◽  
Hank Classen
Keyword(s):  
Broiler Chickens ◽  
Positive Impact ◽  
Nutrient Digestibility ◽  
Metabolizable Energy ◽  
Broiler Chicks ◽  
Activity Levels ◽  
Feed Conversion ◽  
Apparent Metabolizable Energy ◽  
Microbial Phytase ◽  
Four Levels

Although the benefits of phytase are well documented, the purpose of this study was to determine the effect of supplemented phytase on pea-based diets in poultry, as research is lacking on pea diets. A 21-day feeding trial using male broiler chicks on the day of hatch was conducted to assess the effects of adding four levels of dietary microbial phytase (0.0, 0.1, 0.3 and 0.9 g/kg diet; with respective activity levels of 0, 500, 1500 and 4500 FTU or phytase units) to a pea-based diet on bird productivity and digestibility. The responses were evaluated in terms of broiler performance, nutrient digestibility and apparent metabolizable energy (AME). This research demonstrated that digestibility of ash and starch increased with phytase supplementation. Protein and fat digestibility remained relatively constant, but an increase in apparent metabolizable energy (AME) was seen. The performance of broilers also improved as increased weekly gains attributable to phytase were seen through improved feed conversion. The results of this research are indicative that phytase supplementation in poultry pea-based diets has a positive impact.

Sign in / Sign up

Export Citation Format

Share Document