scholarly journals Effect of Azomite With Low Energy Diet on Growth, Carcass Performance and Blood Biochemical Indexes in Broiler Chickens

2020 ◽  
pp. 1-5
Author(s):  
Pirzado Shoaib Ahmed ◽  
◽  
Wu Zhengke ◽  
Liu Jiao ◽  
Aijuan Zheng ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Low Energy ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Blood Biochemical ◽  
Carcass Performance ◽  
Present Trial ◽  
Low Energy Diet

The present trial was investigated the dietary effect of Azomite with low energy on growth, carcass and biochemical indexes in broiler chickens. A total of 180 AA broiler chicks were randomly allotted in to three treatment groups with six replicates and 10 birds/replicate: Control fed a basal diet, (2) Low ME fed (basal diet -100kcal kg1 (3) AZO-0.25 fed (Low ME +AZO-0.25). The results showed that, birds fed diet with AZO-0.25 had higher average daily gain (ADG) than that in Low ME group (P>0.05), while feed conversion ratio (FCR) was lower (P>0.05) compared to Low ME. Percentage of eviscerated carcass, breast muscle and leg muscle were higher significantly (P<0.05) in the AZO-0.25 than Low ME. Serum TP, IgG and CT levels significantly (P<0.05) higher in AZO-0.25 than Low ME. Overall, 0.25% Azomite showed positive effect on growth and carcass performance and it could compensate the negative effect of low-energy diet for broiler chickens by improving the digestion and utilization of nutrients.

scholarly journals Betaine and Antioxidants Improve Growth Performance, Breast Muscle Development and Ameliorate Thermoregulatory Responses to Cyclic Heat Exposure in Broiler Chickens

Animals ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 162 ◽  
Author(s):  
Majid Shakeri ◽  
Jeremy Cottrell ◽  
Stuart Wilkinson ◽  
Mitchell Ringuet ◽  
John Furness ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Muscle Development ◽  
Average Daily Gain ◽  
Heat Exposure ◽  
Basal Diet ◽  
Breast Muscle ◽  
Broiler Chicks ◽  
Poultry Production ◽  
Feed Conversion ◽  
Muscle Weight

Heat stress (HS) is an environmental stressor challenging poultry production and requires a strategy to cope with it. A total of 288-day-old male broiler chicks were fed with one of the following diets: basal diet, basal with betaine (BET), or with selenium and vitamin E (AOX), or with a combination of BET and AOX, under thermoneutral and cyclic HS. Results showed that HS reduced average daily feed intake (ADFI) (p = 0.01) and average daily gain (ADG) (p < 0.001), and impaired feed conversion ratio (FCR) (p = 0.03) during rearing period (0–42 day). BET increased ADG (p = 0.001) and decreased FCR (p = 0.02), whereas AOX had no effects. Breast muscle weight was decreased by HS (p < 0.001) and increased by BET (p < 0.001). Rectal temperature was increased by HS (p < 0.001) and improved by BET overall. Respiration rate was increased by HS (p < 0.001), but BET decreased it during HS (p = 0.04). Jejunum transepithelial resistance was reduced by HS and had no effect on permeability whereas BET increased jejunum permeability (p = 0.013). Overall, the reductions in ADG of broiler chickens during HS were ameliorated by supplementation with BET, with much of the increase in ADG being breast muscle.

scholarly journals Growth Performance, Serum Biochemical Indices, Duodenal Histomorphology, and Cecal Microbiota of Broiler Chickens Fed on Diets Supplemented with Cinnamon Bark Powder at Prestarter and Starter Phases

Animals ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 94
Author(s):  
Mohammed M. Qaid ◽  
Saud I. Al-Mufarrej ◽  
Mahmoud M. Azzam ◽  
Maged A. Al-Garadi ◽  
Hani H. Albaadani ◽  
...  
Keyword(s):  
Body Weight ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
Basal Diet ◽  
Positive Control ◽  
Negative Control ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Serum Globulin ◽  
Maximum Improvement

Ross 308 broiler chicks (n = 240) aged 1 day were assigned to five groups for eight replicates (six chicks for each) (3♂ and 3♀). Basal dietary groups were supplemented by 2000, 4000, and 6000 mg/kg cinnamon (CN) for 21 days. Basal diet alone was used as a negative control, and basal antibiotic diet (Colimox) was used as a positive control. At 10, 14, and 21 days of age, chicks that received 2000 mg CN and Colimox had a higher body weight, resulting in an increase in body weight gain. CN also resulted in the maximum improvement in the feed conversion ratio and feed efficiency over 1–21 days at the level of 2000 mg/kg. At days 10, the maximum relative breast weight was 2000 mg/kg of CN. Mean serum albumin concentrations, duodenal villus height, and goblet cell density increased (p < 0.05) by 2000 mg/kg of CN, and mean serum globulin and total protein concentrations and crypt depth increased (p < 0.05) by 6000 mg/kg of CN compared with control. Increased cecal Escherichia coli number was CN dose-dependent. In conclusion, dietary inclusion of 2000 mg/kg CN can be applied as an alternative to in-feed antibiotics for broiler starter diet.

scholarly journals The Effect of Replacing Dried Meal Worm with Soybean Meal on Growth Performance and Carcass Characteristics of Broiler Chickens

2021 ◽  
Author(s):  
Navid Naderi Boroojerdi ◽  
Mostafa Rajabzadeh
Keyword(s):  
Growth Performance ◽  
Soybean Meal ◽  
Broiler Chickens ◽  
Relative Weight ◽  
Carcass Characteristics ◽  
Basal Diet ◽  
Control Treatment ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Significant Difference

Abstract An experiment was conducted on 240 one-day old male (Ross308) chicken to the effect of substitution of dried mealworm (Tenebrio molitor) with soybean meal on growth performance and carcass characteristics broiler chicks. Chicks fed in a completely randomized design with 4 replicate cages (12 birds per cage). Five dietary treatments used: 1- Control treatment: Basal diet based on corn-soybean meal without adding dried mealworm, 2- Replacement of 5% dried mealworm with soybean meal in the base diet, 3- Replacement of 10% dried mealworm with soybean meal in the base diet, 4- Replacement of 15% dried mealworm with soybean meal in the base diet and 5- Replacement of 20% dried mealworm with soybean meal in the base diet. The results of the experiment showed that 3rd and 4th treatments with a substitution of 10 and 15 percent showed a higher mean weight gain and a daily gain, but their feed intake was lower comparing other treatments, and finally, the feed conversion ratio showed a significant decrease with respect to control treatment using these replacement levels. At 21 and 42 days of age, carcass yield and relative weight of the breasts showed significant increases in treatments 3 and 4, and other characteristics of chicken carcasses were not affected by the test treatments. The experiment showed that replacing soybean meal with 10% and 15% worm powder significantly improved the performance of broiler chickens, but no significant difference was found between the two levels.

scholarly journals Effects of Bacillus amyloliquefaciens LFB112 on Growth Performance, Carcass Traits, Immune, and Serum Biochemical Response in Broiler Chickens

Antibiotics ◽  
2021 ◽  
Vol 10 (11) ◽  
pp. 1427
Author(s):  
Marhaba Ahmat ◽  
Junhao Cheng ◽  
Zaheer Abbas ◽  
Qiang Cheng ◽  
Zhen Fan ◽  
...  
Keyword(s):  
Growth Performance ◽  
Bacillus Amyloliquefaciens ◽  
Broiler Chickens ◽  
Average Daily Gain ◽  
Carcass Traits ◽  
Serum Triglyceride ◽  
Basal Diet ◽  
Feed Conversion ◽  
Vegetative Cells ◽  
Serum Biochemical

This study aimed to investigate the effects of Bacillus amyloliquefaciens LFB112 on the growth performance, carcass traits, immune response, and serum biochemical parameters of broiler chickens. A total of 396 1 day old, mixed-sex commercial Ross 308 broilers with similar body weights were allotted into six treatment groups. The assigned groups were the CON group (basal diet with no supplement), AB (antibiotics) group (basal diet + 150 mg of aureomycin/kg), C+M group (basal diet + 5 × 108 CFU/kg B. amyloliquefaciens LFB112 powder with vegetative cells + metabolites), C group (basal diet + 5 × 108 CFU/kg B. amyloliquefaciens LFB112 vegetative cell powder with removed metabolites), M group (basal diet + 5 × 108 CFU/kg B. amyloliquefaciens LFB112 metabolite powder with removed vegetative cells), and CICC group (basal diet + 5 × 108 CFU/kg Bacillus subtilis CICC 20179). Results indicated that chickens in the C+M, C, and M groups had higher body weight (BW) and average daily gain (ADG) (p < 0.05) and lower feed conversion ratio (FCR) (p = 0.02) compared to the CON group. The C+M group showed the lowest abdominal fat rate compared to those in the CON, AB, and CICC groups (p < 0.05). Compared to the CON group, serum IgA and IgG levels in the C+M, C, and M groups significantly increased while declining in the AB group (p < 0.05). B. amyloliquefaciens LFB112 supplementation significantly reduced the serum triglyceride, cholesterol, urea, and creatinine levels, while increasing the serum glucose and total protein (p < 0.05). In conclusion, B. amyloliquefaciens LFB112 significantly improved the growth performance, carcass traits, immunity, and blood chemical indices of broiler chickens and may be used as an efficient broiler feed supplement.

scholarly journals The Response of Broiler Chickens to Dietary Soybean Meal Reduction with Glycine and Cysteine Inclusion at Marginal Sulfur Amino Acids (SAA) Deficiency

Animals ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1686
Author(s):  
Usman Elahi ◽  
Jing Wang ◽  
You-biao Ma ◽  
Shu-geng Wu ◽  
Guang-hai Qi ◽  
...  
Keyword(s):  
Amino Acids ◽  
Broiler Chickens ◽  
Average Daily Gain ◽  
Protein Diet ◽  
Feeding Period ◽  
Sulfur Amino Acids ◽  
Feed Conversion ◽  
Fat Percentage ◽  
Blood Biochemical ◽  
Standard Protein

The responses of broiler chickens to dietary protein reduction were investigated in the presence of glycine and cysteine inclusion at the marginal deficiency of sulfur-containing amino acids. A total of 432 broiler chickens were allotted to six dietary treatments; SP1 is standard protein diet with 100% total sulfur amino acids (TSAA), SP2 is standard protein diet with 85% TSAA, RP is reduced protein diet without glycine and cysteine supplementation, RPC is reduced protein diet with cysteine supplementation at 0.1%, and RPG is reduced protein diet with 1% glycine supplementation, while RPGC is reduced protein diet with 0.1% cysteine and 1% glycine supplementation. In this study, 4.5% protein is reduced in diets—thus, 17.5% CP (crude protein) for starter phase and 15.5% CP for the grower phase. Reduced protein diets contained 85% TSAA. Broiler chickens fed standard protein diet SP2 had superior bodyweight (BW) (p ≤ 0.05) in the starter and grower phase, average daily gain (ADG) (p ≤ 0.05) in the starter and entire feeding period, average daily feed intake (ADFI) (p ≤ 0.05) in the starter phase, and better feed conversion ratio (FCR) (p ≤ 0.05) in the starter, grower and entire feeding period; however, RPGC showed higher ADG (p ≤ 0.05) in the grower phase, and ADFI (p ≤ 0.05) in the grower and entire feeding period. RPC and RPG diet improved BW (p ≤ 0.05), ADG (p ≤ 0.05), ADFI (p ≤ 0.05), and better FCR (p ≤ 0.05) in starter, grower, entire feeding period compared to RP. The RPGC group had higher BW (p ≤ 0.05), ADG (p ≤ 0.05), ADFI (p ≤ 0.05) and better FCR (p ≤ 0.05) compared to the RPC group. Blood biochemical parameters showed that Broiler chickens fed on the SP2 diet had higher levels of total protein (TP) (p ≤ 0.05), albumin (ALB) (p ≤ 0.05), creatinine (CRE) (p ≤ 0.05), and aspartate aminotransferase (AST) (p ≤ 0.05) and, lower level of uric acid (UA) (p ≤ 0.05), blood urea nitrogen (BUN) (p ≤ 0.05), glucose (GLU) (p ≤ 0.05), and alanine aminotransferase (ALT) (p ≤ 0.05) in the starter phase; however, higher level of TP (p ≤ 0.05), GLU (p ≤ 0.05), CRE (p ≤ 0.05), and AST (p ≤ 0.05), and lower level of ALB (p ≤ 0.05), UA (p ≤ 0.05), and ALT (p ≤ 0.05) in the grower phase; RPGC had higher level of TP (p ≤ 0.05), UA (p ≤ 0.05), GLU (p ≤ 0.05), ALT (p ≤ 0.05) and AST (p ≤ 0.05), and lower level of ALB (p ≤ 0.05), BUN (p ≤ 0.05), and CRE (p ≤ 0.05) in the starter phase; however, in grower phase, RPGC had higher level of TP (p ≤ 0.05), and ALB (p ≤ 0.05), and lower level of UA (p ≤ 0.05), CRE (p ≤ 0.05), ALT (p ≤ 0.05), and AST (p ≤ 0.05). Free amino acids profile showed that broiler fed on standard protein diet SP2 had reduced the methionine (p ≤ 0.05) concentration; RPC increased the concentrations of taurine (p ≤ 0.05), phosphoethanolamine (p ≤ 0.05), threonine (p ≤ 0.05), valine (p ≤ 0.05), isoleucine (p ≤ 0.05), phenylalanine (p ≤ 0.05), ornithine (p ≤ 0.05), and lysine (p ≤ 0.05) and reduced the citrulline (p ≤ 0.05) concentration; RPG increased the concentration of glutamate (p ≤ 0.05), glycine (p ≤ 0.05), cysteine (p ≤ 0.05), and arginine (p ≤ 0.05), and decreased the concentration of tyrosine (p ≤ 0.05); and RPGC increased the concentration of serine (p ≤ 0.05) and reduced the concentration of hydroxyproline (p ≤ 0.05). Serum metabolites analysis showed that reduced protein downregulated the 54 metabolites; however, glycine fortification up-regulated the Benzamide, Pro-Ser, N-Carbamylglutamate, D-gluconate, and Gamma-Glutamylcysteine. Carcass quality showed that SP2 decreased the abdominal fat percentage (p ≤ 0.05). Nitrogen digestibility was higher by the diet RP (p ≤ 0.05). This study demonstrated that protein content could be reduced up to 4.5% with 1% glycine and 0.1% cysteine fortification in diet, which has the potential to inhibit the adverse effect of reduced protein and attain the standard growth performance.

scholarly journals Influence of Different Time and Frequency of Multienzyme Application on the Efficiency of Broiler Chicken Rearing and Some Selected Metabolic Indicators

Animals ◽  
2020 ◽  
Vol 10 (3) ◽  
pp. 450
Author(s):  
Youssef A. Attia ◽  
Mohammed A. Al-Harthi ◽  
Ali S. El-Shafey
Keyword(s):  
High Density Lipoprotein ◽  
Broiler Chickens ◽  
Density Lipoprotein ◽  
Basal Diet ◽  
Protein Digestibility ◽  
High Density ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Continuous Application ◽  
The Cost

This study looks at the influence of time and/or frequency of multienzymes application on productivity, carcass characteristics, metabolic profile, and red blood cell characteristics of broiler chickens. Two hundred and eighty, one-day-old Arbor Acres broiler male chicks were randomly distributed into seven treatment groups. Each group consisted of eight replicates of five unsexed birds. The same basal diet was fed in a crumble form to all experimental groups: group one was the unsupplemented control that did not receive multienzymes supplementation. Additionally, multienzymes in water were supplemented in six groups in a factorial arrangement, including three times of application (starter time only which included days 1–21 of age, grower time only which included days 22–37 of age, and starter and grower time which included days 1–37 of age) and two application frequencies (continuously or intermittently). In the continuous application, the multienzymes were added to water over 24 h in a day, while in the intermittent frequency multienzymes were added to water for one day followed by a day off according to the time of application. Regardless of time and frequency of application, enzymes supplementation significantly increased growth rate, feed intake, European Production Index (EPI), protein digestibility, serum albumin, and high-density lipoprotein (HDL). Intermittent multienzymes application during days 1–21 of age or days 22–37 of age resulted in significantly greater growth, better feed conversion rate (FCR), and higher EPI of broilers during the whole rearing period than those under continuous multienzymes during different growth periods. Besides, intermittent multienzymes addition during days 1–37 of age improved FCR of broiler chicks compared to constant application. The intermittent addition of multienzymes during days 1–21 of age or 22–37 days of age and days 1–37 of age caused a significant increase in dry matter (DM) digestibility than the continuous application. The intermittent addition of multienzymes during days 1–21 of age significantly increased the digestibility of crude protein (CP), ether extract (EE), and crude fiber (CF) compared to continuous application. A similar trend was shown in the digestibility of CP and EE due to intermittent use during days 22–37 of age. Intermittent enzymes addition significantly increased high density lipoprotein (HDL) of groups receiving enzymes during days 22–37 of age compared to continuous application of enzymes. In conclusion, the use of multienzymes intermittently during days 1–21 of age and 22–37 days of age significantly increased growth, improved FCR, and raised EPI. Intermittent use can replace continuous multienzyme applications which can save 68.6% of the cost, even though further research is need from the cost-saving edge.

scholarly journals Effect of Garlic Oil Inclusion on Carcass Quality, Growth Performance and Cost Implication of Broiler Chickens

2020 ◽  
pp. 150-154
Author(s):  
Bamigboye Samson. O. ◽  
Oluwafemi R. A. ◽  
Maduekwe Innocent M.
Keyword(s):  
Mortality Rate ◽  
Growth Performance ◽  
Broiler Chickens ◽  
Basal Diet ◽  
Control Treatment ◽  
Carcass Quality ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Cost Implication ◽  
Garlic Oil

This study was carried to evaluate the “Effect of Garlic (Allium sativum) oil inclusion on carcass quality, growth performance and cost implication of broiler chickens”. A total of 180 day–old-(Arboacre) broiler chicks purchased from a reputable hatchery was used in the study which lasted for eight (8) weeks. The birds were divided into four experimental groups; each group was further subdivided into three replicates of fifteen birds per each in a Complete Randomized Design (CRD). The birds were fed on two basal diets (Starter and finisher) in an experiment which lasted for eight weeks. The garlic oil (Allum sativum) was added to the basal diet at (0.00, 0.1, 0.2, 0.3%) level respectively. The treatment were T1, T2, T3, and T4 with T1 serving as control. Growth performance, carcass characteristics, and cost implication were recorded. At the end of the experiment, the birds were slaughtered, dressed to estimate the different parameters. The result showed that the diet with 0.3% garlic oil inclusion had significantly (P<0.5) highest body weight and highest dressing percentage. Control treatment (0.0%) had highest feed intake and best feed conversion ratio. The mortality rate was not affected significantly by the addition of garlic oil in broiler diet. The garlic oil inclusion reduced the mortality rate of the birds, increases productivity and food safety. The result showed on cost implication reveal the economical evaluation of the experiment diets indicated that, the diet with 0.3% level of garlic oil showed the highest profitability ratio as compared to the group. This might be due to the highest return of the weight gains recorded by this group of chicken.

scholarly journals Effects of a Combination of Lysolecithin, Synthetic Emulsifier, and Monoglycerides on Growth Performance, Intestinal Morphology, and Selected Carcass Traits in Broilers Fed Low-Energy Diets

Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3037
Author(s):  
Abdallah Ghazalah ◽  
Mamdouh Abd-Elsamee ◽  
Moataz Ibrahim ◽  
Sherein S. Abdelgayed ◽  
Mohamed Abdelkader ◽  
...  
Keyword(s):  
Growth Performance ◽  
Broiler Chickens ◽  
Carcass Traits ◽  
Liver Weight ◽  
Abdominal Fat ◽  
Low Energy ◽  
Intestinal Morphology ◽  
Carcass Weight ◽  
Feed Conversion ◽  
Low Energy Diet

This study aimed to evaluate the effect of supplementing a combination of lysolecithin, synthetic emulsifier, and monoglycerides (LEX) on growth performance, intestinal morphology, and selected carcass traits in broilers fed low-energy diets without added oil. Three hundred one-day-old Arbor Acres (AA) broilers (40.3 ± 3.3 g) were assigned to two dietary treatments with six replicates of 25 birds each and were fed a control low-energy diet without added oil supplemented with 0 and 250 g/t of LEX for 30 days. Growth performance was measured and recorded throughout the study. At slaughter, 60 birds per treatment were used to assess the effect of LEX on the carcass traits. Final average body weight and feed conversion ratio were improved (p < 0.05) in LEX treated birds compared to control. LEX supplementation was linked to higher (p < 0.05) carcass weight and yield and to lower (p < 0.05) abdominal fat and liver weight. Moisture content was higher (p < 0.05) in ground deboned broilers from LEX treatment. Villus height was increased (p < 0.05), and crypt depth reduced (p < 0.05) in the jejunum of birds treated with LEX. This study demonstrates that supplementation of LEX to a low-energy diet without added oil improved performance, carcass weight and yield, reduced abdominal fat deposition, and improved intestinal morphology in broiler chickens.

scholarly journals Inclusion of NSP-hydrolysing enzymes in diets for broiler chicks containing increasing contents of distillers dried grains with solubles (DDGS) / Einsatz von NSP-spaltenden Enzymen in Futterrationen für Broiler mit unterschiedlichen Trockenschlempegehalten (DDGS)

2016 ◽  
Vol 67 (4) ◽  
pp. 185-198
Author(s):  
Karl Schedle ◽  
Elke Humer ◽  
Rudolf Leitgeb ◽  
Gertrude Freudenberger ◽  
Katharina Monika Ebner ◽  
...  
Keyword(s):  
Vegetable Oil ◽  
Broiler Chickens ◽  
Average Daily Gain ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Breast Meat ◽  
Distillers Dried Grains ◽  
Feed Digestibility ◽  
Hydrolyzing Enzymes ◽  
Corn Distillers

summaryThe objective of the current study was to determine the applicability of wheat-corn-distillers dried grains with solubles (DDGS) as protein source with and without non-starch polysaccharides (NSP)-hydrolyzing enzymes in diets of broiler chicks. In addition to the performance and carcass characteristics, the effect on energy parameters (energy intake per day, energy per kilogram feed), digestibility, as well as sensory aspects and fatty acid profile of breast meat were determined. In a 3×2-factorial approach, a total of 360 broiler chickens (Ross 308) were allocated to six treatment groups (8%, 16%, and 24% DDGS, with or without NSP-hydrolyzing enzymes). The zootechnical performance was not influenced by increasing DDGS concentrations over the whole fattening period, whereas supplementation of the NSP-hydrolyzing enzyme improved feed conversion ratio in the grower phase and increased average daily gain (ADG) in the finisher phase (p < 0.05). Energy and dry matter (DM) digestibility as well as apparent N retention did not differ between treatments. The substitution of soybean meal and corn with DDGS and vegetable oil showed a trend of increased tenderness of broiler breast meat. Nevertheless, the intramuscular amount of polyunsaturated fatty acids increased with increasing inclusion rate of DDGS and vegetable oil (p < 0.01).

Evaluation of turmeric extract on performance indices impressed by induced aflatoxicosis in broiler chickens

2011 ◽  
Vol 27 (10) ◽  
pp. 956-960 ◽  
Author(s):  
Nader Rangsaz ◽  
Majid Gholami Ahangaran
Keyword(s):  
Body Weight ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
Curcuma Longa ◽  
Basal Diet ◽  
Control Group ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Performance Indices ◽  
Turmeric Extract

The purpose of this study was evaluation of ethanolic turmeric extract (ETE; Curcuma longa) effect on overall performance including body weight (BW), body weight gain (BWG), feed intake and feed conversion ratio (FCR) weekly and cumulative for a period of 4 weeks with 300 commercial broiler chicks (Ross strain). These chicks were randomly divided into four groups with three replicates of 15 chicks in each replicate. In group A, chickens were fed a basal diet, in group B, chickens were fed a basal diet plus 3 ppm productive aflatoxin. In group C, chickens consumed a basal diet plus 0.05% ETE and in group D, chickens received a basal diet with 0.05% ETE plus 3 ppm productive aflatoxin. Aflatoxin production by Aspergillus parasiticus (PTTC NO:1850) in maize was according to the Shotwell method. The results revealed that there were no significant differences in BW, BWG and FCR between groups fed turmeric at 0.05% and the control group. The supplement of ETE in a diet containing 3 ppm aflatoxin can significantly improve performance indices compared with the group that consumed aflatoxin alone. In conclusion, our results suggest that turmeric extract ( Curcuma longa) can provide protection against the negative effects of aflatoxin on performance of broiler chickens.

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