This study evaluated the effect of sodium butyrate (SB) on performance, expression immune-related genes in cecal tonsils, and microbiota broiler chickens when dietary energy amino acids concentrations were reduced. Day-old male Ross 708 chicks fed treatments a 3 × 2 factorial design (8 pens per treatment) with formulations (control diet; reduction 2.3% 60 kcal/kg; 4.6% 120 kcal/kg) or without inclusion 0.1% SB. Feed intake (FI), body weight gain (BW gain), feed conversion ratio (FCR)...

Two dietary sources of zinc (ZnSO4 or organic Zn) were tested in chickens challenged with coccidiosis (Co) plus Clostridium perfringens (CoCPF). On day 14, the orally gavaged ∼5,000 Eimeria maxima sporulated oocysts. 19, 20, and 21 C. given a broth culture containing 108 cfu this bacterium. Productive performance parameters determined at d 21, 28. necrotic enteritis (NE) lesions scored, intestinal permeability was evaluated. Jejunum cecal tonsils collected for morphology gene expression...

The objective of this study was to evaluate the effects dietary supplementation Bacillus subtilis DSM 32315 (probiotic) on performance and intestinal microbiota broiler chickens infected with Clostridium perfringens (CP). One-day-old were assigned 3 treatments 8 replicate pens (50 birds/pen). were: non-infected control; supplemented probiotic (1 × 106 CFU/g feed). On day hatch, all birds sprayed a coccidia vaccine based manufacturer recommended dosage. d 18–20 inoculated CP via feed....

The objective of this study was to evaluate performance, diversity, composition, and predicted function the intestinal microbiota broilers raised under 3 different methods induce necrotic enteritis (NE). chicks in Experiments 1 2 were vaccinated against coccidiosis on day 1. Experiment 1: non-challenged challenged birds floor pens with new litter 58 birds/pen. challenge consisted Eimeria maxima inoculation 14 Clostridium perfringens via water days 18 19. Cecal evaluated 18, 21, 28. 2:...

For poultry producers, chronic low-grade intestinal inflammation has a negative impact on productivity by impairing nutrient absorption and allocation of nutrients for growth. Understanding the triggers developing non-invasive measurement is crucial to managing gut health in poultry. In this study, we developed two novel models broiler chickens: chemical model using dextran sodium sulfate (DSS) dietary high non-starch polysaccharide diet (NSP). Further, evaluated potential several proteins...

The objective of this study was to determine the effects protected sodium butyrate (SB), and plus essential oils (carvacrol ginger; SBEO) on cecal microbiota broilers challenged with Eimeria maxima Clostridium perfringens. Birds were assigned 4 treatments (8 replicates pens 58 birds/pen): unchallenged control; supplemented SB; SBEO. On d 13, birds orally inoculated ~5,000 oocysts. 18-19, same exposed perfringens via drinking water (~ 8 log CFU/ml). Cecal excreta collected at 12, 18, 21, 28...

This study evaluated the effects of mycotoxins deoxynivalenol (DON), fumonisins (FUM), and their combination on growth performance, nutrient, energy digestibility in broilers. A total 960 Cobb-Cobb male broilers were obtained day hatch placed 10 birds per cage with 8 cages treatment. The experiment consisted 12 treatments: control; DON 1.5 mg/kg; 5.0 FUM 20.0 mg/kg + 20 mg/kg. remaining dietary treatments correlative nitrogen-free diets (NFD) for determining endogenous nutrients loss. All...

The objectives of the present studies were to evaluate: 1) in vivo impact supplementation with a precision biotic (PB) on growth performance and microbiome modulation broiler chickens; 2) role PB functional pathways collected from animals low high body weight gain, 3) develop Microbiome Protein Metabolism Index (MPMI) derived gut metagenomic data link microbial protein metabolism performance. work consisted 2 experiments treatments: Control vs. at 1.1 kg/MT 21 or 14 replicates 40 birds per...

Precision biotics (PBs) are chemically synthesized complex glycans that modulate specific microbiome metabolic functions. The objective of the present study was to evaluate effect supplementation PB on growth performance, and cecal modulation broiler chickens raised under commercial conditions. A total 190,000-day-old Ross 308 straight-run broilers were randomly assigned 2 dietary treatments. There 5 houses per treatment with 19,000 birds house. In each house, there 6 rows battery cages 3...

A total of 1,080 one-day-old broiler chicks were used, distributed into a completely randomized design in 6 x 2 4 factorial scheme, with six replications 30 birds each (15 males and 15 females). Chicks classified breeds (Cobb 500 Slow, Cobb Fast, Ross 308, 508, Hybro Plus Avian 48), male or female four slaughter ages (43, 45, 46 49 days). Ten from experimental unit (5 5 females) slaughtered to evaluate carcass yield commercial cuts. Slow showed the maximum potential for weight gain at 47...

Abstract The purpose of this study was to verify the ability a probiotic in feed maintain stability gut microbiota chickens after antibiotic therapy and its association with growth performance. One thousand six hundred twenty 1‐day‐old Cobb male were housed floor pens (36 pens, 45 birds/pen) fed corn‐/soya bean meal‐based diets supplemented or without ( Bacillus subtilis ) during entire rearing phase. From 21 24 days age (three consecutive days), submitted via drinking water (bacitracin...

The objective of this study was to evaluate the effects dietary autolyzed yeast (AY; Saccharomyces cerevisiae) supplementation on growth performance, immune system, and intestinal bacterial count in broiler chickens. A total 1,260 one-day-old male Ross AP95 chicks were placed a completely randomized design (4 treatments, 7 replicates each, 45 birds/replicate). treatments were: basal diet – negative control (NC); supplemented with 55 ppm zinc bacitracin positive (PC); NC + 0.2% AY; 0.4% AY....

The objective of this study was to compare the effects inorganic and proteinate Zn in chickens challenged with coccidia Clostridium perfringens. A 3 × 2 factorial design used, dietary formulations (0 or 90 mg/kg supplemental from ZnSO4 proteinate, without challenge). On day 14, birds were orally gavaged approx. 5,000 Eimeria maxima sporulated oocysts, on 19 21 C. perfringens (108 CFU/D). Productive performance assessed at 28. At D, necrotic enteritis (NE) lesion severity, intestinal...

A dietary glycan-based precision biotic (Glycan PB) was evaluated on the performance, welfare indicators, and litter characteristics of broiler chickens. In Trial 1, main effects Glycan PB dose (0, 250 500 g/metric ton (MT)) xylanase supplementation (0 or 100 g/MT) were tested, as their interaction. 2, pens located inside a commercial house used to test effect (500 versus control diet. at g/MT improved feed conversion ratio (FCR) by 7 11 points when compared diets without (p < 0.001). At 35...

In this study, we evaluated the effect of intestinal alkaline phosphatase (IAP) and sodium butyrate (NaBu) on lipopolysaccharide (LPS)-induced inflammation. Intestinal RelA/p65 (NF-κB) gene expressions in porcine jejunum explants were following exposure to essential oil from Brazilian red pepper (EO), alone or combination with NaBu, as well exogenous IAP without LPS challenge. Five piglets weighing approximately 20 kg each sacrificed, their extracted. The tissues segmented into 10 parts,...

This study tested the effect of distillers dried grains with soluble (DDGS) inclusion in a broiler diet, or without supplementation exogenous enzymes, on microbiota composition, intestinal health, diet digestibility and performance. A total 288 one-day-old chickens was assigned to 6 treatments (8 replicate birds each) according completely randomized design 3 × 2 factorial scheme DDGS levels (0, 7 14%) inclusions enzymes (with multicarbohydrase complex + phytase [MCPC]). The results exhibited...

To evaluate a novel feed additive, hops β-acids, pen trial using 1,440 one-day-old broiler chickens, in randomized design with 6 treatments and replicates of 40 birds/pen, was conducted. The experimental were negative control (NC) basal diet, positive (PC) diet supplemented zinc 30 mg/kg bacitracin, 4 additional consisting the 30, 60, 120, 240 β-acids microencapsulated form. All birds vaccinated against coccidiosis by eye drops. Productive performance, jejunum morphology, andClostridium spp....

Summary Sorghum grain can be used to replace corn in broiler diets. However, the effects related an abrupt change between these grains are not yet clear. The aim of this study was evaluate performance and intestinal health broilers fed diets containing and/or sorghum during different periods rearing. To accomplish aim, 2100 male chicks were following experimental diets: C100% (corn‐based diet); S100% (sorghum‐based C:S50% (diet based on 1:1); PC ‐S diet pre‐starter phase sorghum‐based...

The objective of this experiment was to study the effects dietary zinc (Zn) source on gene expression Zn transporters (metallothionein [MT], ZIP 3, 5, 8, 9, 10, 11, 13, and 14, ZnT 1, 4, 6, 7, 10) in jejunum cecal tonsils broilers challenged with coccidia or plus Clostridium perfringens. A 2 × factorial design used sources (90 mg Zn/kg from either ZnSO4 an organic Zn, Bioplex® Zn) approximately 5,000 oocysts Eimeria maxima at 14 d age without C. perfringens (108 CFU/bird) 18, 19, 20 (8 pens...