A total of two hundred twenty five one-day-old Indian river broiler chicks (IR) were distributed into five different treatment groups (A, B, C, D and E), of three replicates (15 chicks / replicate). The chicks in control group (A) were fed control diet with β-mannanase (Hemicell ®), groups B and C were fed diets containing SFM (2.5 and 5%, respectively) without β-mannanase (Hemicell ®). While groups D and E were fed diets containing SFM (2.5 and 5%, respectively) with β-mannanase (Hemicell ®). Effects of inclusion Sunflower meals with or without β-mannanase (Hemicell ®) on performance showed that groups containing Sunflower meals 2.5%with or without enzyme show improvements than other groups. Erythrogram profile showed a significant (p≤0.05) difference between control group and other groups in Hb, RBCs, PCV and MCV levels, while there was a significant (p≤0.05) increase in MCH and MCHC in group E (SFM 5%+Hemicell ®) when compared with other groups. Leukogram showed nonsignificant changes between control group and other groups. It was concluded that inclusion of sunflower meals 2.5% had a positive role in improvement final body weight changes and final body weight gain. Partial replacement diet with sunflower meals (2.5 and 5% with or without Hemicell ®) did not induce side effects on hematological parameters.

The present experiment was performed to investigate the influence of two different products of nucleotides as a feed additive for broiler chicks in terms of improvement of intestinal villi length. A total number of two hundred and seven-one-day-old broiler chicks (Ross 308) were randomly distributed into three different treatment groups (A, B, and C), of three replicates (23 chicks / replicate). The chicks in control group (A) were fed negative control diet, group B were fed diet containing (Nucleoforce®) (0.025%) while group C were fed diet containing (Immune force®) (0.1%). Results showed that, groups fed diet supplemented with nucleotides had expressed significant increase in length of intestinal villi when compared with the control one, although group B that was fed Nucleoforce® showed highest values among the three different groups. It was concluded that, inclusion of nucleotides (Nucleoforce® and Immune-force®) in broiler diets had a positive role in improvement of intestinal villi length.

The processing method used to create the meal affects the nutritional value of soybeans for birds. The most popular approach is solvent-extracted soybean meal (SE-SBM). However, extruded-expelled soybean meal (EE-SBM) is mainly utilized in organic poultry feed. This study aimed to investigate the effect of adding EE-SBM to broiler chicken Ross ® 308 feed formulations on carcass traits and histomorphological changes in the intestine. A total of 198 one-day-old Ross® 308 chickens were randomly distributed into three groups with different dietary treatments (66 birds per group). The dietary treatments were as follows: D1, control (soybean meal 46%); D2, D1 + EE-SBM (50 kg starter, 100 kg grower, and 200 kg finisher/ton); and D3, D1 + EE-SBM (100 kg starter, 150 kg grower, and 250 kg finisher/ton). The study results showed that the addition of EE-SBM to broiler diets had no significant effect on carcass traits, but pancreas weight (%) increased significantly (P < 0.05) in D3 and D1. Moreover, the jejunum diameter increased significantly (P < 0.05) in D1. The intestinal morphological examination revealed that EE-SBM had a beneficial effect, significantly increasing villi length, width, crypt depth, and the number of goblet cells. Regarding return from the breast and thigh, D2 and D3 had a non-significant numerical increase over D1. In conclusion, adding EE-SBM to broiler diets can improve intestinal morphometry and does not negatively affect carcass characteristics.

This study was conducted to evaluate the effect of two feed additives commercially produced, the complex enzymes and the multi enzymes on the weekly and finally productive performance of broiler chicks. A total of 600 broiler cobb chicks, housed in an experimental unit, with stocking density 10/ m 2 , using 10 pens, 60 chicks for each which was used as replicates. Feed and water were provided ad libitum through feeders and bell drinker. Birds were divided into two equal groups.(T1 and T2) each of them 300 chicks and five replicates, the first group T1 group chicks fed the basal diet with complex enzymes Allzyme SSF ® 0.2 gm/kg feed that composed from Phytase, Protease, Cellulase, Xylanase, Beta-glucanase, Amylase, and Pectinase , the second T2 group was fed on the basal diet with Multi enzymes Natuphos ® 0.05 gm/kg feed composed of Phytase plus Zympex 008 ® 0.5 gm/kg feed composed of Alpha-galactosidase, Protease, Beta-mannanase, Cellulase, Xylanase, Beta glucanase, Amylase, and Protease. Productive performance was evaluated by determining the weekly feed intake, body weight, FCR, and final mortality rate and European efficient index. Results revealed significant difference between the two tested groups within the different weeks the second group showed higher average body weight and lower FCR, compared with the first group finally, there was no significant difference in mortality rate and European efficient index between the two tested groups. It can be concluded that both complex enzymes and multi enzymes have beneficial effects on the broiler performance parameters