The current economic viability study was developed evaluate the effect of nutritional plans with digestible lysine for castrated and immunocastrated male pigs, gilts mixed lots, on costs profitability animals in finishing phase. 26 lysine, ranging from 0.65 to 1.3%, were collected seven available scientific publications. Performance quantitative carcass traits 1178 pigs analyzed also calculated feed cost weight gain (FCwg), revenue into bonus system (RCbs); remuneration live...

Objective This study was conducted to assess increasing doses of phytase added broiler diets formulated with different levels available phosphorus (avP), calcium (Ca), and sodium (Na), the respective effects on performance parameters, quantitative carcass characteristics, ash deposition in tibia weight organs. Methods Three matrices were assumed for following nutritional values: matrix A (MT A): 0.165% Ca, 0.150% avP, 0.035% Na; B B): 0.215% 0.195% 0.045% C C): 0.245% 0.225% 0.053% Na. There...

This study was conducted to evaluate the period of chromium yeast supplementation on lipid profile backfat and Longissimus lumborum muscle barrows. It evaluated carcass samples from forty barrows, genetically similar. Pigs diets were supplemented with 0.4 mg kg-1 in four periods (0, 38, 62 94 days before slaughter). The experimental design completely randomized treatments, ten replicates, each unit consisting one animal. Lipid profiles analyzed by gas chromatography. increase use had a...

This experiment was conducted to evaluate the growth performance and carcass characteristics of gilts from 25 100 kg body weight (BW) fed diets with increased net energy (NE) levels. Seventy-two initial BW 23.24±2.47 were allotted one six dietary treatments (2300, 2380, 2460, 2540, 2620, 2700 kcal NE kg−1) using a completely randomized block design, two pigs per replicate, replicates treatment. Corn-soybean meal-based formulated be in three phases (25 50, 50 70, 70 BW). Soybean oil added...

This experiment was conducted to evaluate growth performance and carcass characteristics of barrows from 25 100 kg fed diets with different dietary net energy (NE) levels. Seventy-two initial body weight (BW) 25.19±2.13 were allotted using a completely randomized block design one six NE treatments (2300, 2380, 2460, 2540, 2620, 2700 kcal kg−1), which had two pigs per replicate replicates treatment. Diets formulated be in three phases (25 60, 60 70, 70 BW). The densities met by adding soybean...

To examine the association between phytase and xylanase in diets with nutritional adjustments on intestinal morphometry, serum biochemistry microbiology of broilers, 250 broilers were evaluated a completely randomized design five treatments replicates. The following tested: positive control diet - without or xylanase; negative an energy reduction 100 kcal/kg, three containing reductions 50, 150 Kcal/kg. For all energy-reduced diets, matrix phosphorus (0.15%), calcium (0.165%) sodium (0.035%)...

ABSTRACT: This study evaluated chromium supplements and energy restriction as substitutes for ractopamine in the diets of late finishing gilts. Sixty gilts were used, with initial weights 98.87 ± 0.25 kg final 122.69 10.97 kg, distributed a randomized block design five diets: control; yeast (0.8 ppm); picolinate (0.48 (20 ppm) (reduction 150 kcal EM kg-1 feed), six replicates two animals per experimental unit. Feeding diet containing enabled better (P<0.05) feed conversion greater hot...

The purpose of this study was to evaluate the effect glutamine supplementation plans on performance, carcass yield, and cut yield broilers reared in a high-temperature environment. A fully randomized design adopted for experiment, comprising 900 male Hubbard broiler chicks assigned five treatment groups (0% from one 42 days age; 0.5% 1 7 age, followed by 0% 8 days; 1.0% 14 15 1.5% days, 21 22 2.0% days), consisting six replicates 30 animals each. experiment composed four periods: pre-starter...

The aim of this study was to evaluate the effect storage temperature and period on external internal quality commercial white eggs. A total 375 extra eggs laying hens Hy-line line were allocated in a completely randomized design 2 x 7 factorial scheme (temperature period), totaling 14 treatments with five replicates three each. room (26.5oC) refrigerated (11oC) seven periods (0, 5, 10, 15, 20, 25, 30 days). There an interaction (P<0.05) between factors evaluated for percentage ​​of albumen...

ABSTRACT: The present study was performed to evaluate the association of chromium-yeast and selenium-yeast as nutritional additives enhance performance quantitative characteristics in carcass finishing barrows. A total 48 barrows, commercial hybrid, with initial weight 68.3±3.5 kg final 99.6±3.6 kg, were utilized for study. animals distributed a randomized complete block design, consisting three levels (i.e., without supplementation selenium-yeast, 0.4 mg kg-1 0.3 0.8 0.6 selenium-yeast)...

ABSTRACT: The objective of this study was to evaluate sequential metabolizable energy (ME) plans, maintaining the lysine: calorie ratio for piglets from 7 30 kg. Forty eight female with initial weight 6.9 ± 1.2 kg and final 30.5 3.8 were randomly allocated in a randomized complete blocks design three nutritional plans replicates two animals per experimental unit. Sequential provided four ME levels: plan 1: 3,300-3,250-3,200-3,150 kcal kg-1, 2: 3,400-3,350-3,300-3,250 3:...

This study aimed to evaluate the introduction of cassava flour, moringa leaf meal and bocaiuva pulp in laying hens’ diets on egg quality. Nine hundred eggs from Dekalb® White hens between 34 54 weeks age rearing semi-intensive system were used experiment. The submitted following diets: 1 - diet control: maize soybean base diet; 2 with inclusion 18% root meal+4% pulp; 3 24% meal+6% 4 30% meal+8% pulp. higher levels alternative ingredients intensified yolk color; it improved percentage...

ABSTRACT: This study was conducted to evaluate the effects of net energy levels on lipid profile adipose tissue and muscle swines. A total 90 animals, with initial weight 71.94±4.43kg, were used, distributed in a randomized block design five (2,300, 2,425, 2,550, 2,675, 2,800Kcal kg-1 feed), nine replicates two animals per experimental unit. Lipid profiles analyzed using gas chromatography. Increasing soybean oil, improved muscle, increased linearly (P&lt;0.05) concentrations polyunsaturated...

Abstract The objective of this study was to evaluate the nutritional functionality xylanolytic complex produced from Aspergillus japonicus var. aculeatus UFMS 48.136 isolated Cerrado/ Pantanal biome in Mato Grosso do Sul, compared commercial xylanase, swine diets. Sixteen barrows were used, with an initial weight 64.23 ± 10.5 kg, distributed a randomized block experimental design, four diets: control, formulated according recommendations; negative reduction 100 Kcal / kg metabolizable energy...

Resumo Realizou-se este estudo com o objetivo de avaliar a funcionalidade nutricional do complexo xilanolítico produzido partir fungos da linhagem Aspergillus japonicus var. aculeatus UFMS 48.136, oriundo bioma Cerrado/Pantanal sul mato-grossense em comparação à xilanase comercial, dietas suínos. Foram utilizados dezesseis suínos machos, peso inicial 64,23 ± 10,5 kg, distribuídos delineamento experimental blocos ao acaso, quatro dietas: controle, formulado acordo as recomendações...

The aim of this study was to evaluate the effect dietary metabolizable energy levels on performance and carcass yield free-range broiler chickens from 1 84 days age. A total 900 male day-old naked neck lineage chicks were distributed in a completely randomized design between six (2,700; 2,800; 2,900; 3,000; 3,100 3,200 kcal.kg-1 diet) with replications 25 birds each. increase resulted linear reduction feed intake, crude protein digestible lysine intakes, as well body deposition efficiency...

The present study proposes to examine the effect of dietary levels metabolizable energy, under a fixed nutrient:calorie ratio, on production performance; body fat and protein deposition; carcass characteristics free-range broilers from 1 84 days age. Nine hundred unsexed chicks were allocated six treatments in completely randomized design with replicates 25 birds each. Treatments consisted diets varying energy (2700, 2800, 2900, 3000, 3100 3200 Kcal ME/kg diet) proportion nutrients relative...

ABSTRACT: This study was conducted to evaluate the effect of ractopamine concentrations on swine fat and meat lipid profiles. Ninety finishing barrows, initially weighing 71.9±4.4kg, were distributed in a randomized block design three (0, 10 20ppm) with fifteen replicates two animals each. Gas chromatography used analyze profiles backfat meat. The inclusion diet changed (P&lt;0.05) α-linolenic acid eicosatrienoic but did not affect (P&gt;0.05) any other fatty acids or indexes evaluated. In...

Objetivou-se estimar nível ótimo de zinco e manganês frangos aos 21 42 dias, comparar métodos para quantificar a mineralização óssea, confiabilidade do teste, tempo execução efeito da extração gordura, visando viabilizar procedimento técnico mais prático em termos laboratoriais. Em cada experimento, foram distribuídos 320 pintinhos machos gaiolas metabólicas, delineamento inteiramente casualizado, com oito tratamentos cinco repetições aves cada. No experimento 1, inclusão sulfato foi 0,60...

The objective of the present study was to evaluate effects cooling systems by negative pressure versus directed ducts on performance lactating sows and their litter. experiment conducted in a tropical climatic region Brazil. Ninety-four during 26.2±1.7 days lactation were included with 1,236 piglets. Sows distributed using completely randomized block design into two treatments: (NPC) system duct (DDC) system. [...]

To examine the association between phytase and xylanase in diets with nutritional adjustments on metabolizability of feed by broiler diets, 250 chickens were used distributed among five treatments replicates 10 broilers each. The were: positive control diet - without or xylanase; negative an energy reduction 0.419 MJ/kg, three containing reductions 0.209, 0.409 0.628 MJ/kg. For all energy-reduced matrix phosphorus (0.15%), calcium (0.165%) sodium (0.035%) was considered. MJ/kg inclusion...

The objective of this study was to investigate the impact alternative lipid sources on nutrient metabolism, performance, carcass characteristics, and meat quality in European quails. Trial 1 determined energy values metabolizability non-conventional sources. Six treatments (control, soybean oil, conventional corn distilled poultry fat, beef tallow) were randomly assigned with 10 replicates per treatment. 2 evaluated animal using a randomized design five each. Statistical analysis showed no...