The present experiment was conducted to investigate the effect of heat stress (HS) andstocking density (SD) on growth performance, breast meat quality, and intestinal barrier functionin broiler chickens. Experimental treatments included two different ambient temperatures (20 °C:thermoneutral conditions, or 27.8 °C: HS conditions) SD (low: 9 birds/m2 andhigh: 18 birds/m2) in a 2 × factorial arrangement. A total 1140 21-day-old chickens wereallotted 1 4 with five replicates. At end (35 days...

The objective of the current experiment was to investigate effect stocking density and sex on growth performance, meat quality, intestinal barrier function in broiler chickens. conducted a completely randomized design with 2 × 4 factorial arrangement consisting four different densities battery cages. A total 540 1-d-old Ross 308 chickens were allotted one eight treatments five replicates. Within each sex, birds raised at 15.2, 20.2, 25.3, or 30.4 birds/m2 from 1 28 d age. Different achieved...

The objective of the current experiment was to investigate effect dietary concentrations ME and neutral detergent fiber (NDF) on productive performance, egg quality, fatty liver incidence, hepatic acid metabolism in aged laying hens. A total three hundred twenty 75-wk-old Hy-Line Brown hens were allotted 1 4 treatments with 8 replicates. Each replicate consisted 10 consecutive cages hen per cage. conducted using a completely randomized design 2 × factorial arrangement consisting levels...

The inhibitory effects of 150 medicinal plants on elastase activity were investigated. Among the plants, six plant extracts (final concentration 1 mg/ml in methanol) exhibited more than 65% inhibition activity. active including Areca catechu (IC50, 42.4 mug/ml), Cinnamonum cassia 208.7 Myristica fragrans 284.1 Curcuma longa 398.4 Alpinia katsumadai 465.7 mug/ml) and Dryopteris cassirrhizoma 714.4 human leukocyte elastase, hyaluronidase lipid peroxidation examined. In assay, using TBA method,...

The objective of the current experiment was to compare various stress biomarkers including heterophil lymphocyte ratio (H:L ratio) in blood and corticosterone (CORT) concentrations feathers, claws, egg yolk find potential laying hens exposed a long-term multiple condition. A total 24 Hy-Line Brown at 47 wk age were allotted 2 distinct conditions normal condition (NC) (MC) with 8 replicated cages. In NC treatment, raised individually cage (0.16 m2/hen) under temperature 21 ± 0.6°C. MC 16 per...

Abstract This study aimed to determine the effects of storage temperature and washing on egg quality physicochemical properties. A total 200 eggs (100 washed 100 unwashed eggs) were obtained from 30-week-old Hy-Line Brown laying hens. The experiment’s main (refrigerator room temperatures) (washed eggs). results indicated that stored at refrigerator increased ( p < 0.05) in albumen height Haugh unit 1 4 weeks than those temperature. Eggs had less thiobarbituric acid reactive substances...

Objective An experiment was conducted to determine the effect of superdosing phytase on productive performance and egg quality in laying hens. Methods A total 200 42-wk-old Hy-Line Brown hens were allotted into 1 5 dietary treatments with replicates consisting 8 per replicate. The positive control (PC) negative diets (NC) prepared based recommended P levels layer diets. Supplemental added diet at 10,000 (SD10), 20,000 (SD20), or 30,000 (SD30) fytase units (FTU)/kg. Productive summarized for...

Objective: The objective of the present study was to investigate comparative effects dietary functional nutrients including glutamine (Gln), chromium picolinate (Cr picolinate), vitamin C (Vit C), betaine (Bet), and taurine (Tau) on growth performance, meat quality, immune responses, stress biomarkers in broiler chickens raised under heat conditions.Methods: A total 420 21-d-old Ross 308 male (initial body weight = 866±61.9 g) were randomly allotted 1 7 treatment groups with 6 replicates....

The objective of the current study was to investigate effects stocking density (SD) and dietary supplementation vitamin C on growth performance, meat quality, intestinal permeability, stress indicators in broiler chickens. conducted using a completely randomized design with 2 × factorial arrangement consisting different SD supplemental levels C. A total 1,368 Ross 308 chickens 21 days age similar body weights (BW) were randomly allotted 1 4 treatments 6 replicates each. Different numbers...

This experiment was conducted to determine the relative bioavailability (RBV) of Cu in tribasic copper chloride (TBCC) sulfate (monohydrate form; CuSO4·H2O) for layer diets based on egg yolk and feather concentrations. A total 252, 72-wk-old Hy-Line Brown laying hens were allotted 1 7 treatments with 6 replicates consisting per replicate a completely randomized design. Hens fed corn-soybean meal-based basal supplemented 0 (basal), 100, 200, or 300 mg/kg from CuSO4 TBCC 4 wk. Results...

Water-miscible vitamin E (WVE) has been known to be more bioavailable than conventional lipid-soluble (LVE) in human foods because of its greater solubility the gastrointestinal tract. However, no data regarding comparison efficacy WVE LVE were available poultry diets. The objective current experiment was investigate effect (VE) sources and inclusion levels diets on growth performance, meat quality, alpha-tocopherol retention, intestinal inflammatory cytokine expression broiler chickens. A...

The present experiment aimed to compare toxic effects of dietary organic or inorganic selenium (Se) and predict Se intake tissue concentrations in broiler chickens based on feather concentrations. A total four hundred twenty 7-day-old Ross 308 male chicks were allotted 1 7 treatments a completely randomized design. Each treatment had 6 replicates with 10 birds per replicate. Organic (selenium yeast) (sodium selenite) was added the basal diet at levels 5, 10, 15 mg/kg Se. All experimental...

Objective: The objective of the current study was to investigate effects dietary hatchery by-products (HBPs) as a replacement fish meal (FM) on growth performance, relative organ weight, plasma measurements, immune index, meat quality, and tibia characteristics broiler chickens. Methods: A total 720 chickens (3 d age) were randomly allotted 1 9 treatments with 8 replicates. Each replicate consisted 5 male female birds. basal diet formulated contain 5.0% commercial FM, whereas eight treatment...

The objective of this experiment was to investigate the effect feeding corn distillers dried grains with solubles (DDGS) naturally contaminated deoxynivalenol (DON) on growth performance, meat quality, intestinal permeability, and utilization energy nutrients in broiler chickens. Two trials (growth metabolism trials) were conducted. In trial, a total four hundred 7-day-old Ross 308 chicks allotted 1 5 dietary treatments 8 replicates completely randomized design. diets formulated contain...

Cite this as: N. S. Palikhe, S.‐H. Kim,H.‐Y. Lee, J.‐H. Kim, Y.‐M. Ye and H.‐S. Park, Clinical & Experimental Allergy, 2011 (41) 179–185. Summary Background The thromboxane A2 receptor ( TBXA2R ) is a potent broncho‐ vaso‐constrictor associated with leukotriene synthesis. Polymorphisms in the gene have been linked to atopy, asthma, atopic dermatitis. This study evaluated association between genetic variants development of acetyl salicylic acid (ASA)‐intolerant acute urticaria (AIAU)....

Objective An experiment was conducted to investigate the effect of dietary Ca concentrations in low non-phytate phosphorus (NPP) diets containing phytase on growth performance, bone mineralization, litter quality, and footpad dermatitis (FPD) incidence growing broiler chickens. Methods A total 1,800 21-day-old Ross 308 chickens were allotted 1 6 treatments with replicated cages. Six formulated provide increasing 4.0, 5.0, 6.0, 7.0, 8.0, or 9.0 g/kg diets. The NPP all maintained at 3.0 g/kg,...

The current study aimed to compare the effects of increasing concentrations dietary threonine (Thr), tryptophan (Trp), and glycine (Gly) on productive performance, stress biomarkers, intestinal function in broiler chickens under multiple conditions. Five hundred sixty 21-d-old were randomly allotted 5 treatments with 8 replicates. Birds a positive control (PC) treatment raised low stock density (16.9 birds/m2) recommended environmental conditions, whereas birds 4 subjected conditions: cyclic...

This experiment was conducted to investigate the effect of feeding duration diets containing corn distillers dried grains with solubles (DDGS) on productive performance, egg quality, and lutein zeaxanthin concentrations yolk in laying hens. A total 300 57-week-old Hy-Line Brown hens were randomly assigned one 5 treatment groups (feeding duration) 6 replicates consisting consecutive cages 2 per cage. Diets formulated contain either 0% (the control diet) or 20% DDGS. Experimental fed for 12...

The objective of this study was to investigate the protective effects functional nutrients including various amino acids, vitamins, and minerals on chicken intestinal epithelial cells (cIECs) treated with oxidative stress. cIECs were isolated from specific pathogen free eggs. Cells exposed 0 mM supplement (control), 20 threonine (Thr), 0.4 tryptophan (Trp), 1 glycine (Gly), 10 μM vitamin C (VC), 40 E (VE), 5 A (VA), 34 chromium (Cr), 0.42 selenium (Se), 50 zinc (Zn) for 24 h 6 replicates...