Leilane Rocha Barros Dourado
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View article: Effect of poultry litter-based diet and sexual ratios on the fecundity and viability of Tenebrio molitor: insights for sustainable rearing and circular bioeconomy
Effect of poultry litter-based diet and sexual ratios on the fecundity and viability of Tenebrio molitor: insights for sustainable rearing and circular bioeconomy Open
The growing demand for sustainable alternative protein has driven interest in the farming of edible insects, such as Tenebrio molitor. This study evaluated the effects of diets with different proportions of poultry litter (PL) and sex rati…
View article: Buriti Oil (Mauritia flexuosa L.) as Functional Feed for Broiler Chickens
Buriti Oil (Mauritia flexuosa L.) as Functional Feed for Broiler Chickens Open
This experiment evaluated the effects of including buriti oil (BO) in the diet of broilers on growth performance, nutrient digestibility, carcass yield, meat quality, blood parameters, intestinal morphometry, the proliferation of collagen …
View article: Use of Cactus Pear Meal in the Feeding of Laying Hens in Semi-Intensive System
Use of Cactus Pear Meal in the Feeding of Laying Hens in Semi-Intensive System Open
Little information is available in the literature on the use of cactus pear meal (CPM) in poultry diets; therefore, it is important to evaluate diets that provide excellent performance and lower production costs. Our objective was to study…
View article: Use Of Cactus Pear Meal In The Feeding Of Laying Hens In Semi-Intensive System
Use Of Cactus Pear Meal In The Feeding Of Laying Hens In Semi-Intensive System Open
Little information is available in the literature on the use of cactus pear meal in poultry diets being important to evaluate diets that provide excellent performance and lower production costs. Our objective was to study the use of cactus…
View article: Buriti oil as an alternative to the use of antimicrobials in broiler diets
Buriti oil as an alternative to the use of antimicrobials in broiler diets Open
The objective of this study was to evaluate the effects and economic viability of diets containing different levels of antibiotic and buriti oil (BO) on performance, carcass and cut yields, and relative weight of organs of broilers. A tota…
View article: Synbiotic supplements as antibiotic alternatives in broiler diets
Synbiotic supplements as antibiotic alternatives in broiler diets Open
Antibiotics can contribute to bacterial resistance, posing a significant public health concern. Synbiotics represent an effective alternative to antibiotics, promoting the balance of intestinal microbiota and creating a conducive environme…
View article: Intestinal morphometry and performance of broiler chickens subjected to diets with buriti oil
Intestinal morphometry and performance of broiler chickens subjected to diets with buriti oil Open
This study aimed to evaluate the productive performance, carcass yield, and intestinal morphometry of broiler chickens subjected to diets with the inclusion of buriti oil. Buriti oil is an energy food that can be used in chicken feed to re…
View article: Sources of acid insoluble ash as marker of corn digestibility in broilers
Sources of acid insoluble ash as marker of corn digestibility in broilers Open
The objective was to evaluate three sources of acid insoluble ash (AIA) (celite, kaolin, and sand), as indicators, to determine the apparent metabolizable energy of corn on a natural matter (AME) basis, dry matter digestibility coefficient…
View article: Analysis of performance, bone characteristics, and expression of genes involved in the balance of ionic concentrations in broilers subjected to dietary electrolyte balance levels
Analysis of performance, bone characteristics, and expression of genes involved in the balance of ionic concentrations in broilers subjected to dietary electrolyte balance levels Open
1. Sodium bicarbonate (NaHCO3), potassium carbonate (K2CO3), and ammonium chloride (NH4Cl) are commonly used to correct dietary electrolyte balance (DEB) in birds. However, there are many gaps in the knowledge of their effects when used si…
View article: Scientific Article Dietary electrolyte balance on serum hematological and biochemical parameters of broilers under heat stress
Scientific Article Dietary electrolyte balance on serum hematological and biochemical parameters of broilers under heat stress Open
The aim of this study was to evaluate the effect of different dietary electrolyte balance (DEB) levels over the hematological parameters and the biochemical profile of broilers under stress caused by cyclic heat. We used 1050 male broilers…
View article: [Protease in low-protein diets for meat-type quails containing feather meal]
[Protease in low-protein diets for meat-type quails containing feather meal] Open
The objective of this study was to evaluate protease supplementation in low-protein diets containing feather meal (FP) on the performance and carcass yield of meat-type quails. Twenty male quails were used in a completely randomized design…
View article: Protease and sugarcane yeast in diets for broiler chicks
Protease and sugarcane yeast in diets for broiler chicks Open
The objective of this study was to evaluate the inclusion of protease and sugarcane yeast in poultry diets on performance, organ weight, intestinal biometry, chemical composition and deposition of body nutrients in the 1 to 7-day old phase…
View article: Chemical composition and nutrient digestibility of insect meal for broiler
Chemical composition and nutrient digestibility of insect meal for broiler Open
To determine the chemical composition and digestibility of insect meal for poultry made from the larvae of Tenebrio molitor (TL) and nymphs of Gryllus assimilis (GAN) a total excreta collection test was carried out, substituting 20% of the…
View article: Development of <i>Tenebrio molitor</i> (Coleoptera: Tenebrionidae) on Poultry Litter-Based Diets: Effect on Chemical Composition of Larvae
Development of <i>Tenebrio molitor</i> (Coleoptera: Tenebrionidae) on Poultry Litter-Based Diets: Effect on Chemical Composition of Larvae Open
In order to investigate a low-cost and sustainable food source, the present study evaluated the use of poultry litter for rearing Tenebrio molitor Linnaeus, 1758 (Coleoptera: Tenebrionidae). The experiment was performed with five diets con…
View article: Crambe meal in broiler feeding
Crambe meal in broiler feeding Open
This study aimed to evaluate the performance of broilers fed a diet in which the total protein has been replaced by the protein of the crambe meal. The experiment was used 630 male chickens (Cobb® 500) from 8 to 42 days of age, distributed…
View article: Protease and sugarcane yeast in diets for broiler chicks
Protease and sugarcane yeast in diets for broiler chicks Open
The objective of this study was to evaluate the inclusion of protease and sugarcane yeast in poultry diets on performance, organ weight, intestinal biometry, chemical composition and deposition of body nutrients in the 1 to 7-day old phase…
View article: Body growth description of male and female from three broilers strains in the hot climate
Body growth description of male and female from three broilers strains in the hot climate Open
To evaluate the growth of males and females from three broiler strains (Cobb 500, Ross 308, and Hubbard Flex) we used a completely randomized experimental design with a factorial arrangement (3 strains and 2 sexes) and six replicates of 60…
View article: Feather meal supplemented with protease in diets for meat-type quails
Feather meal supplemented with protease in diets for meat-type quails Open
The objective of this study was to evaluate the effect of the inclusion of feather meal (FM) in diets supplemented with protease for meat-type quails, on performance from eight to 21 days and from eight to 35 days of age and on carcass yie…
View article: Feeding plans with the use of glycerin for broilers
Feeding plans with the use of glycerin for broilers Open
This study aimed to evaluate the effects of feeding plans with or without addition of glycerin, in different ages, on performance, carcass yield, litter moisture and footpad lesions of broiler chickens. 540 male Cobb broilers were utilized…
View article: Effects of cottonseed oil and ferrous sulfate on the performance and expression of antioxidant enzymes in broilers
Effects of cottonseed oil and ferrous sulfate on the performance and expression of antioxidant enzymes in broilers Open
Aiming to reduce feed costs, cottonseed oil (CSO) has been used as an alternative component in diets for broilers. However, this oil contains gossypol, an antinutritional agent that impacts the use of mineral elements, inhibits glucose upt…
View article: Methods for classifying coefficients of variation in experimentation with poultrys
Methods for classifying coefficients of variation in experimentation with poultrys Open
The aim of this work was to evaluate the coefficient of variation (CV) and to establish classification ranges for the main variables evaluated in experimentation with poultrys through different methods. The CV data of different response va…
View article: Increased metabolisable energy from glycerine or soybean oil in broilers
Increased metabolisable energy from glycerine or soybean oil in broilers Open
The effect of increased levels of metabolisable energy with glycerine or soybean oil was evaluated in the performance of broilers at four growth stages (1 to 7, 8 to 21, 22 to 33 and 34 to 42 days), in addition to the carcass and cut yield…
View article: Effect of an Enzymatic Blend and Yeast on the Performance, Carcass Yield and Histomorphometry of the Small Intestine in Broilers from 21 to 42 Days of Age
Effect of an Enzymatic Blend and Yeast on the Performance, Carcass Yield and Histomorphometry of the Small Intestine in Broilers from 21 to 42 Days of Age Open
The present study was conducted to evaluate the performance, carcass yield, and histomorphometry of the small intestine of broilers fed yeast sugarcane supplemented with enzymatic blend from 22 to 42 days of age. Seven hundred broiler chic…
View article: Enzyme complexes on metabolizable energy and nutrient digestibility of millet for broiler chickens
Enzyme complexes on metabolizable energy and nutrient digestibility of millet for broiler chickens Open
The objective of this study was to evaluate the effect of enzymatic complexes on metabolizable energy and nutrient digestibility coefficient of millet for broilers chickens. 576 male chickens, were distributed in 36 cages with three treatm…
View article: Increased metabolisable energy from glycerine or soybean oil in broilers
Increased metabolisable energy from glycerine or soybean oil in broilers Open
The effect of increased levels of metabolisable energy with glycerine or soybean oil was evaluated in the performance of broilers at four growth stages (1 to 7, 8 to 21, 22 to 33 and 34 to 42 days), in addition to the carcass and cut yield…
View article: Effect of cottonseed oil and ferrous sulfate in broiler diets on intestinal morphometry at 42 days of age
Effect of cottonseed oil and ferrous sulfate in broiler diets on intestinal morphometry at 42 days of age Open
The aim of the study was to evaluate the intestinal morphometry of broilers at 42 days of age fed diets containing different levels of cottonseed oil, with and without addition of ferrous sulfate. A total of 560 male Ross chickens were use…