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Gut health plays an important role on production and performance of broilers. This trial was undertaken with an aim to evaluate the synergistic effect of probiotic, chicory root powder and coriander seed powder on the performance and gut health of broiler chicken. For this purpose, a total of 240 day-old broiler chicks were randomly allotted to six dietary treatments with 8 replicates of 5 birds in each. Treatment groups included T 1 as control i.e., basal diet (BD) without any growth promoter and T 2 —BD + antibiotic (BMD 0.05%). In the remaining experimental diets, T 3 —probiotic (@ 0.01%) + chicory root powder (@ 1.0%), T 4 —probiotic (@ 0.01%) + coriander seed powder (@ 1.5%), T 5 —chicory root powder (@ 1.0%) + coriander seed powder (@ 1.5%) and T 6 —probiotic (@ 0.01%) + chicory root powder (@ 1.0%) + coriander seed powder (@ 1.5%). The results indicated that supplementation of probiotic + chicory (T 3 ), probiotic + coriander (T 4 ), chicory + coriander (T 5 ) and probiotic + chicory + coriander (T 6 ) in combination resulted in significantly (P<0.05) higher weight gain and better FCR compared to control and antibiotic groups at 42 d of age. Supplementation of different dietary groups did not show any significant (P>0.05) effect on feed intake of broilers. Supplementation of all the test diets (T 3 to T 6 ) significantly (P<0.05) increased the glutathione peroxidase (GSHPx), glutathione reductase (GSHRx) and superoxide dismutase (SOD) enzyme activity when compared to control and antibiotic groups at 42 d of age. Supplementation of all the test diets (T 3 to T 6 ) significantly (P<0.05) lowered the pH in the gut, increased Lactobacillus counts, and reduced E . coli and Salmonella counts in the ileum compared to control and antibiotic groups. Supplementation of all the test diets (T 3 to T 6 ) significantly (P<0.05) increased the villus height (VH), crypt depth (CD), VH:CD ratio and villus width (VW) in the duodenum and only VH and CD in the ileum compared to control and antibiotic groups. Significantly (P<0.05) higher jejunal VH and VW and increased the goblet cell number in duodenum, jejunum and ileum was recorded in all test diets (T 3 to T 6 ) compared to control and antibiotic groups. Therefore, combinations of probiotic (0.01%), chicory root powder (1.0%) and coriander seed powder (1.5%) can be used as feed additive for improving performance and gut health of broiler chicken.

The experiment was conducted to study the effect of chicory root powder on the gut performance of broilers. For this purpose, two hundred commercial male broiler chicks were randomly divided into 5 treatment groups with 8 replications of 5 birds each and reared in battery brooders up to 42 days of age. The experimental design consisted of; T1 basal diet (BD) without antibiotic, T2: BD + antibiotic (BMD at 500 gm/ton), T3: BD + chicory root powder (0.5%), T4: BD + chicory root powder (1.0%), T5: BD + chicory root powder (1.5%). The results revealed that supplementation of 1.0% chicory root powder recorded significantly (P<0.05) higher body weight gain, feed intake and better feed conversion ratio (FCR) compared to antibiotic, control and 0.5 & 1.5% chicory powder at 42 days of age. Supplementation of various levels of chicory root powder significantly (P<0.05) lowered (P<0.05) the pH in duodenum, jejunum, ileum and caecum compared to control. Supplementation of chicory root powder (0.5, 1.0 & 1.5%) significantly (P<0.05) decreased the E . coli and Salmonella counts and (P<0.05) increased the Lactobacilli counts in ileum when compared to control and antibiotic groups. Supplementation of chicory (1.0% and 1.5%) groups significantly (P<0.05) increased the villus height (VH), crypt depth (CD), VH:CD ratio and villus width (VW) in the duodenum, ileum and jejunum at 42 d of age. Supplementation of chicory 1.0% and 1.5% groups significantly (P<0.05) increased the goblet cell number in duodenum, jejunum and ileum of broilers. Therefore, chicory root powder (1.0 and 1.5%) can be used as an alternative to antibiotic for improving gut performance of broiler chicken.

An experiment was conducted to evaluate the effect of supplementation of zinc in the diet in the form of nano zinc oxide (nano ZnO) on the performance of broilers. A total of 240 day-old commercial broiler chicks were distributed in a completely randomized design into 6 treatments with 8 replicates of 5 chicks each. Treatments comprised of T1- basal diet (BD) without ZnO supplementation, T2- 2.5 ppm ZnO, T3- 5 ppm ZnO, T4- 10 ppm ZnO, T5- 20 ppm ZnO, and T6- 40 ppm inorganic ZnO. The results revealed that supplementation of nano ZnO at 2.5 ppm recorded significantly (P < 0.05) higher body weight gain, feed intake, and better feed conversion ratio (FCR) compared to control and other treatment groups at 42 days of age. All dietary treatments failed to exert any significant (P > 0.05) effect on various carcass parameters (dressing percentage, abdominal fat, giblet yields), serum protein and cholesterol concentrations, and meat quality parameters (water holding capacity and pH) of broiler chicken at 42 days of age. Finally, it could be concluded that supplementation of nano ZnO at 2.5 ppm improved the performance of broilers.

The objective of the present study was to investigate the comparative efficacy of recommended dose of selected anticoccidial drugs Salinomycin, Dinitolmide, while Cocciban at three dose levels on the performance of broilers. For this purpose, 420-day-old commercial male broiler chicks were randomly divided into 7 treatment groups with 10 replications of 6 birds each and reared in battery brooders up to 42 days of age. Groups were designated as uninfected unmedicated (T1), infected unmedicated (T2), Cocciban 500 g/ton and infected (T3), Cocciban 750 g/ton and infected (T4), Cocciban 1000 g/ton and infected (T5), Salinomycin 500 g/ton and infected (T6), and Dinitolmide and infected (T7). Groups T2, T3, T4, T5, T6, and T7 were experimentally infected at 21 days old by 50,000 oocysts of Eimeria species. The broilers were fed with starter (0–21 days) and finisher diets (22–42 days). The herbal product Cocciban 1000 g/ton alone had significantly (P < 0.05) higher body weight gain and feed efficiency than all other infected groups during the overall experimental period (0–42 days), but significantly lower than healthy control. All the groups did not show significant (P > 0.05) effect on mean feed intake, percent carcass yields and percent weights of liver, heart and gizzard. Similarly there was no significant (P < 0.05) influence of treatment groups on the organoleptic characteristics of meat. Treatment groups did not have any significant (P < 0.05) influence on humeral immune response to ND vaccine and cell-mediated immune response to PHA-P. Among all the infected groups, Cocciban 1000 g/ton group (78.33%) recorded more mean percent livability than all other infected groups.

The objective of the present study was to investigate the comparative efficacy of recommended dose of selected anticoccidial drugs Salinomycin and Dinitolmide, while Cocciban at three dose levels on the hematobiochemical, fecal parameters and histopathology of broilers. For this purpose, 420-day-old commercial male broiler chicks were randomly divided into 7 treatment groups with 10 replications of 6 birds each and reared in battery brooders up to 42 days of age. Groups were designated as uninfected unmedicated (T1), infected unmedicated (T2), Cocciban 500 g/ton and infected (T3), Cocciban 750 g/ton and infected (T4), Cocciban 1000 g/ton and infected (T5), Salinomycin 500 g/ton and infected (T6), and Dinitolmide and infected (T7). Groups T2, T3, T4, T5, T6, and T7 were experimentally infected at 21-day-old by 50,000 oocysts of Eimeria species. The mean fecal, lesion scores and oocyst per gram of feces were significantly (p < 0.05) highest in infected unmedicated group, while lowest in the herbal Cocciban 1000 g/ton group than all other infected medicated groups. The hematological studies revealed a reduction in TEC, Hb, and PCV from 0 to 5th day of P.I. in all infected groups except healthy control group. The birds of all the infected groups improved in the values of TEC, Hb, PCV, blood glucose, and total serum protein on 7th day of P.I., but, the improvement was significantly (p < 0.05) better in herbal Cocciban 1000 g/ton treated birds than all other infected groups. Whereas, the TWBC counts were raised from 0 to 7th day of P.I. in all the infected groups compared to healthy control and no significant (p < 0.05) difference was observed in between the infected groups. The histopathological changes consisting of desquamation of epithelial cells, cellular infiltration, hemorrhages, edema, fibrous tissue proliferation, and developing stages of E. tenella at various depths of cecal wall were higher in all the infected groups when compared to Cocciban 1000 g/ton group.

Abstract Zinc incorporation and the growth of Saccharomyces cerevisiae were investigated in a culture supplemented with three inorganic zinc salts, i.e. zinc sulphate, zinc chloride and zinc nitrate. The cultivation was performed on a yeast extract peptone dextrose (YEPD) broth medium. The growth of yeast was carried out at different concentrations of zinc, i.e. 0, 30, 60, 90 and 120 mg 100 ml−1. It was found that the addition of different zinc sources at 30 mg 100 ml−1 concentration produced higher biomass yield ranging 1.00–1.03 g from 100 ml−1 of cultivation medium, while higher zinc concentration in the medium caused significantly lower yields of yeast biomass. The amount of zinc in yeast cells was determined by an atomic absorption spectrometer (AAS). The highest amount of zinc in yeast cells was achieved when added in the form of zinc sulphate at a concentration of 120 mg 100 ml−1. The increment of intracellular zinc was up to 9889.67 mg kg−1 of biomass.

Gut health plays an important role on production and performance of broilers. This trial was undertaken with an aim to evaluate the synergistic effect of probiotic, chicory root powder and coriander seed powder on the performance and gut health of broiler chicken. For this purpose, a total of 240 day-old broiler chicks were randomly allotted to six dietary treatments with 8 replicates of 5 birds in each. Treatment groups included T1 as control i.e., basal diet (BD) without any growth promoter and T2-BD + antibiotic (BMD 0.05%). In the remaining experimental diets, T3-probiotic (@ 0.01%) + chicory root powder (@ 1.0%), T4-probiotic (@ 0.01%) + coriander seed powder (@ 1.5%), T5-chicory root powder (@ 1.0%) + coriander seed powder (@ 1.5%) and T6-probiotic (@ 0.01%) + chicory root powder (@ 1.0%) + coriander seed powder (@ 1.5%). The results indicated that supplementation of probiotic + chicory (T3), probiotic + coriander (T4), chicory + coriander (T5) and probiotic + chicory + coriander (T6) in combination resulted in significantly (P<0.05) higher weight gain and better FCR compared to control and antibiotic groups at 42 d of age. Supplementation of different dietary groups did not show any significant (P>0.05) effect on feed intake of broilers. Supplementation of all the test diets (T3 to T6) significantly (P<0.05) increased the glutathione peroxidase (GSHPx), glutathione reductase (GSHRx) and superoxide dismutase (SOD) enzyme activity when compared to control and antibiotic groups at 42 d of age. Supplementation of all the test diets (T3 to T6) significantly (P<0.05) lowered the pH in the gut, increased Lactobacillus counts, and reduced E. coli and Salmonella counts in the ileum compared to control and antibiotic groups. Supplementation of all the test diets (T3 to T6) significantly (P<0.05) increased the villus height (VH), crypt depth (CD), VH:CD ratio and villus width (VW) in the duodenum and only VH and CD in the ileum compared to control and antibiotic groups. Significantly (P<0.05) higher jejunal VH and VW and increased the goblet cell number in duodenum, jejunum and ileum was recorded in all test diets (T3 to T6) compared to control and antibiotic groups. Therefore, combinations of probiotic (0.01%), chicory root powder (1.0%) and coriander seed powder (1.5%) can be used as feed additive for improving performance and gut health of broiler chicken.