The objective of this experiment was to investigate the effects of dried powder of Calendula ojficinalis L.(marigold)flower as an antibiotic growth promoter substitute on growth performance,organ weights,and immunolog...The objective of this experiment was to investigate the effects of dried powder of Calendula ojficinalis L.(marigold)flower as an antibiotic growth promoter substitute on growth performance,organ weights,and immunological parameters in broilers.A total of 240 mixed sex broilers(Ross 308)at 1 d of age were individually weighed and randomly assigned to 4 treatments with 4 replicates of 15 birds for 6 wk.The dietary treatments were:1)a basal diet(control);2)control plus 4.5 mg flavophospholipol/kg of diet;3)control plus 5 g marigold/kg of diet;4)control plus 10 g marigold/kg of diet.Antibody responses against Newcastle(NDV),influenza(AI)viruses,and sheep red blood cells(SRBC)were measured.Supplementing 4.5 mg flavophospholipol/kg of diet enhanced body weight(BW)of broilers at 14 and 28 d of age(P<0.05),but final BW at 42 d was not markedly affected.At 14 and 28 d of age,broilers fed diets supplemented with 10 g marigold/kg of diet had significantly lower BW compared with broilers fed the basal diet supplemented with antibiotic or 5 g marigold/kg of diet.During the starter period,broilers fed diets supplemented with antibiotic had significantly(P<0.05)better FCR compared with broilers supplemented with 10 g marigold/kg of diet,but did not differ from broilers fed the basal diet or basal diet supplemented with 5 g marigold/kg of diet.There were no significant differences in FCR between treatments,during grower,finisher phases as well as for the whole experiment.Carcass yield was significantly(P<0.05)higher in broilers supplemented with 5 g marigold/kg of diet compared with broilers in other groups.The treatments failed to induce any marked effect on immune parameters.In conclusion,the results of this experiment showed that supplementation of 5 and 10 g dried powder of marigold/kg of diet has no affirmative influence on growth performance of broilers.展开更多
Background:Calendula officinalis L.(Compositae)is a Mediterranean annual plant widely used for its versatile biological activities.Objective:A bibliometric study of research data conducted from 1971 to 2021 was conduc...Background:Calendula officinalis L.(Compositae)is a Mediterranean annual plant widely used for its versatile biological activities.Objective:A bibliometric study of research data conducted from 1971 to 2021 was conducted.Methods:Bibliographic data was retrieved from the Scopus database and analyzed using VOSviewer and MS Excel.Polynomial regression was used to assess the annual production of research documents related to C.officinalis.Results:A total of 1,252 journal articles and conference papers were published by 4,452 authors,originated from 98 countries and disseminated in 706 sources.Iran(n=131),Brazil(n=119),India(n=113),Poland(n=112),and Italy(n=72)are the top-publishing countries.Journal of Ethnopharmacology is the top-cited journal,while Italy is the top-cited country.Steady growth was observed in the last fifty years,from 1971 to 2021.The anti-inflammatory,wound-healing,and anti-microbial properties are among the most prolific studies that have been conducted on this plant.Extensive research has been carried out on antioxidant compounds,terpenes,and volatile oils.Skin care and wound healing are the most common clinical applications.Co-citation analysis,keywords co-occurrence,and bibliographic coupling revealed diverse knowledge structures and intellectual dynamics.Conclusion:This comprehensive bibliometric study indicates that Calendula officinalis received significant re-search.The structured information may help understand research trends and locate this plant’s research hot spots and gaps.展开更多
基金supported by Islamic Azad University,Khorasgan Branch,Iran,and resulted from M.Sc thesis of Marjan Foroutankhah
文摘The objective of this experiment was to investigate the effects of dried powder of Calendula ojficinalis L.(marigold)flower as an antibiotic growth promoter substitute on growth performance,organ weights,and immunological parameters in broilers.A total of 240 mixed sex broilers(Ross 308)at 1 d of age were individually weighed and randomly assigned to 4 treatments with 4 replicates of 15 birds for 6 wk.The dietary treatments were:1)a basal diet(control);2)control plus 4.5 mg flavophospholipol/kg of diet;3)control plus 5 g marigold/kg of diet;4)control plus 10 g marigold/kg of diet.Antibody responses against Newcastle(NDV),influenza(AI)viruses,and sheep red blood cells(SRBC)were measured.Supplementing 4.5 mg flavophospholipol/kg of diet enhanced body weight(BW)of broilers at 14 and 28 d of age(P<0.05),but final BW at 42 d was not markedly affected.At 14 and 28 d of age,broilers fed diets supplemented with 10 g marigold/kg of diet had significantly lower BW compared with broilers fed the basal diet supplemented with antibiotic or 5 g marigold/kg of diet.During the starter period,broilers fed diets supplemented with antibiotic had significantly(P<0.05)better FCR compared with broilers supplemented with 10 g marigold/kg of diet,but did not differ from broilers fed the basal diet or basal diet supplemented with 5 g marigold/kg of diet.There were no significant differences in FCR between treatments,during grower,finisher phases as well as for the whole experiment.Carcass yield was significantly(P<0.05)higher in broilers supplemented with 5 g marigold/kg of diet compared with broilers in other groups.The treatments failed to induce any marked effect on immune parameters.In conclusion,the results of this experiment showed that supplementation of 5 and 10 g dried powder of marigold/kg of diet has no affirmative influence on growth performance of broilers.
文摘Background:Calendula officinalis L.(Compositae)is a Mediterranean annual plant widely used for its versatile biological activities.Objective:A bibliometric study of research data conducted from 1971 to 2021 was conducted.Methods:Bibliographic data was retrieved from the Scopus database and analyzed using VOSviewer and MS Excel.Polynomial regression was used to assess the annual production of research documents related to C.officinalis.Results:A total of 1,252 journal articles and conference papers were published by 4,452 authors,originated from 98 countries and disseminated in 706 sources.Iran(n=131),Brazil(n=119),India(n=113),Poland(n=112),and Italy(n=72)are the top-publishing countries.Journal of Ethnopharmacology is the top-cited journal,while Italy is the top-cited country.Steady growth was observed in the last fifty years,from 1971 to 2021.The anti-inflammatory,wound-healing,and anti-microbial properties are among the most prolific studies that have been conducted on this plant.Extensive research has been carried out on antioxidant compounds,terpenes,and volatile oils.Skin care and wound healing are the most common clinical applications.Co-citation analysis,keywords co-occurrence,and bibliographic coupling revealed diverse knowledge structures and intellectual dynamics.Conclusion:This comprehensive bibliometric study indicates that Calendula officinalis received significant re-search.The structured information may help understand research trends and locate this plant’s research hot spots and gaps.
